98 ford expedition rough idle. First thing is first, see TSB for low RPM stumble and stalling on 5. So I change my alternator and now I'm getting a rough idle. I recently did a complete tune-up w/ new PCV, fuel filter, plugs, wires. The first step is to replace the VCT Solenoids on both banks, these are often the culprit for shaky idle and stalling. Look under jeepfix. Starts up OK and then after about five seconds RPMs dropped pretty low in the car idled really rough. Starts great, good initial idle, 800 rpm. Study now. 4L, that runs great when it is cold. Mar 26, 2010 · Whats up everyone new to the expedition world. 4 triton and a. Start engine. On really cold mornings, after I warm up the Apr 3, 2008 · Beantown. I have a 07 El with 79,*** miles just replaced spark plugs and coil packs on all 8 cylinders. Jan 14, 2011 · During cold weather, my '98 F-150 idles rough. I've done a ton of reading on the Ecoboost 3. Now it's starting to die sometimes, especially when I'm coasting to a stop at a red light or something. AA-ron said: This morning went to start my 2017 Ford expedition. Here, we’re covering an idle speed issue on a Grand Marquis. /. When i first started looking at the truck it would barely run, sounded like 4 cylinders we deactivated and would stall randomly. Take off and it mostly goes away. November 7, 2011. 98 Ford Expedition, 5. No diagnostic trouble codes. CEL has NOT come on but car still Idles rough and surges on acceleration. Operating temperature: Runs like crap, rough idle, hesitates. I replaced the fuel pump, swap the fuel pump relay with the horn relay. See answer (1) Best Answer. I was able to drive it over 30kms getting it to 90kms, at high RPMs it seems to run fine but you can feel it bogging and sounded really loud, Aug 6, 2019 · The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors. PCV valve. Experienced some bucking and hesitation issues when the weather was still cold. I was out of town last week and I made the mistake of having an express lube shop change my oil before my return trip. Took it to dealer and they suggested changing the plugs and tune up for 700 dollars. She stopped at stop sign and the engine had a terrible shake. At the time, it was hesitating and riding rough. I have a 2007 Limited Expedition 5. Oct 14, 2006 · This forum is great! 1997 - 2003 F150 - 98 4X4 5. I imagine a vacuum line broke or cracked during the removal of the engine? There is no CEL and I just replaced the upper and lower intake manifold gaskets. Jan 11, 2024 · In conclusion, the Ford Ranger rough idle issue without any diagnostic trouble codes can be a frustrating challenge for owners. Release the parking brake. has all new motorcraft plugs. it has the 5. If you keep your foot on the accelerator so it can run at 1500 - 2000 rpm and Aug 30, 2012 · 1997-2006 Expedition & Navigator - 98 ford expedition 5. First trip - reprogrammed the computer; Second trip - cleaned Feb 11, 2013 · Yes, that is the IAC. Typically, at night or when day-time temps are below 90, it runs fine and I have no idle issues, even after the truck is warmed up. 5 engine and read the many many comments made by owners regarding a slightly rough idle on cold start. If the tachometer is rock steady, and the shaking seems worse out of gear than in gear, it indicates a bad motor mount. The problem started with intermediate sputtering during acceleration and Oct 20, 2022 · What would cause a 98 ford expedition to idle and run rough? Updated: 10/20/2022. I cant notice any hesitation because I have only had it for a couple months. Can anyone help me out a little on this please. Jan 6, 2011 · It. Mar 26, 2005 · I have a 98 Eddie Bauer 5. Aug 16, 2020 · 1,353. It drives fine. Apr 15, 2006 · 2003 Expedition 4. We have a 2008 Expedition EL113,000 miles. 4l motor has been idling really rough when its cold in the mornings. Runs great at drive RPM. rough idle and spiting out codes PO171 & PO1714 ,spent the last 4 days diagnosing the problem, PVC valve assembly was melted behind the throttle body causing rough idle and multiple misfires, Auto zone had me buying " all 4 -02 sensors ,EGR Valve , MAFS ,vacuum hoses , spark plugs , professional fuel injector cleaning , gas filter. Of course, the labor cost really depends on the hourly rate of the mechanic. The Tune up directions say In the last few months it has developed an issue with rough idle. 6 rough idle when cold - this question pertains to a 94 lincoln towncar with a 4. Aug 4, 2009 · 2005 Expedition: check engine / rough idle. 4 with 208,000 miles. May 29, 2005 · May 29, 2005. I have a 14 Expedition with 65000 miles bought used about 2 years ago. Apr 16, 2020 · Buy a shirt and support the channel! (links below)In this Video Josh explains the 4 most common causes for rough idling as well as a few other less common cu Oct 27, 2021 · My '99 Expedition 4. Location. For the last 2 weeks I noticed that while in drive or reverse the idle seems a little low and rough. I have 2008 expedition last week it idled really rough and if you stepped on the gas it quit running. It does cause rough running and stalling at idle. Stopped and idle or light cruise or on acceleration. Nov 12, 2004 · Check for a vaccuum leak in the PCV line. Jun 24, 2020 · Location. Wife went to leave and everything was fine. 4 2WD. Reaction score. A bad mass airflow sensor can leave your Ford Expedition ‘s engine running rough, or even inoperable. If code reappears on the same cylinder, pull spark plug and check gap. 4l. It had a misfire in Cyl #1 , #5 . Shaking noticeably. Bought it with 50,000 miles and I have never had any trouble until last night on the way home when all of the sudden when I would step on the May 3, 2014 · 03-21-2008 10:05 AM. FORD CODE P0122, P0223 ROUGH IDLE, IDLES HIGH, NO POWER FIXIf you have Ford car and your engine light is on and you have code P0122 or code P0223 we will exp . Then fire it up and let it idle until it gets to full operation temp. 4L Idle rough P0171 Code - 1998 F-150 4X4 5. Drive the vehicle to complete the relearning process. I have a 2003 Expy, 5. A MAF sensor measures the density of the air entering the intake manifold. After engine warms up, it starts idling rough. cant figure out where the roughness is coming from, it sounds like a delayed fire almost. It blew head gaskets and spun some bearings. It otherwise runs fine, idles in park fine, drives great! Gas usage isn't affected. About a year ago it started this hesitating thing. Symptoms: DTC showing Bank 1 & Bank 2 running lean. fuel pressure. (10-15 minutes). Apr 9, 2018 · 119. I just replaced the timing set on the engine and it has a rough idle. I've read several great threads about causes: dirty TB, dirty MAF sensor, exhaust leak, vacuum leak, dirty IAC. replaced the right bank plugs Nov 10, 2014 · Posts. The code scanner says P0171 bank A is running lean, P0174 bank B is running lean. Further investigation revealed this rough idle starts only after the engine has reached normal operating temperature and seems to go away once the gas is Aug 23, 2007 · 1997-2006 Expedition & Navigator - 01 Expedition 5. Warms up: Starts to hesitate, still no check engine light or codes. 4 - Rough Idle - 2005 Expedition 5. Press the start button without foot on pedal to let the ecu turn on and sweep the cluster (just takes a few seconds). New O2 sensors. NO CODES. 4 engine with 88K miles on it. It said that cylinder 6 was misfiring. May 8, 2019 · Hook it back up. I had it scanned and was told all the o2 sensors were bad. I can throw it into neutral/park and tap the accelerator and it will stop. missouri. ISLANDMARINER. Currently has 131,000 miles. Last year, I had a coil pack replaced when the "service engine soon" light appeared when I was going 50+ miles. Next step, pulled coil pack and Jan 23, 2014 · 1,075. Proper periodic servicing of the PCV valve will prevent this situation from occurring. The vehicle idles very rough, you can see the vehicle itself shake sometimes, but you most certainly feel it whenever it's idling. When warmed up, and stopped in drive (or reverse) it runs rough. The wrench light came on and then the check engine light came on. I just recently acquired a 98 Expedition 5. Sounds like it is dieseling. All were around 170. Hi Folks. Jun 24, 2015 · Jul 8, 2012. At idle, engine will suddenly slow from 750rpm's to 680-700 and "lope" a bit and is rough. 4L Started idleing rough (periodically) and OBD II code P0171 (System too Lean (Bank 1) ) sometimes appears. Feb 16, 2017 · 1. OBD live data shows Bank 1 SHRTft within 7% + and - ,each way. philippines. I experienced a cylinder 5 misfire. I reset the code. The truck was purchased four weeks ago as my wifes primary vehicle. 4L) - 4. The weather warmed up and it ran really well all summer. Now it stumbles when it tries to start and stalls. 4L) - 5. Jul 6, 2012 · New user and first thread. Havent been on in a looooong time. Apr 23, 2014 · Here's the situation: I have a 2003 Ford Expedition Eddie Bauer, 5. 6L w/ 130K miles. The motor seems to sputter and run rough. 2L V6 with 63k miles. If someone could point me at what to look at it would be great. 6 with 61,000 on it and until recently it has started to have a rough idle accompanied with a "whine" that changes pitch with accelaration. But, if the outside temperature gets into the upper 90s, I'll have the rough idle when I'm Aug 14, 2012 · Still p1406 and bad/rough IDLE and acceleration. Driving is ok. Sep 21, 2008 · Rough Idle - can't figure it out!!! by gs69400 » Sun Sep 21, 2008 10:24 pm. Hey guys, I just picked up a 98 ford expedition 4x4 with the 5. When I first drive it in the morning it's fine until about 30 minutes in then starts idling/shaking when moving slowly (imagine car drop off line) or a stop light after progressing in traffic. Spark plugs {Platinum} are new. OK, I have a 98 Expedition in the shop with the same problem. At idel, stumbles, wanders rpm. ok, 3 times now i've been extremely close to being hit head on by oncoming traffic due to a seemingly uncurable stalling problem. Once I take my foot off the gas, the engine will slow down dramatically and sometimes just stop. 2L V6 - 98 F150 4. 4 2WD, 178,000mi. Just recently it's developed a rough idle. This may let it relearn the throttle body settings to idle smoother. Bank 1 Longtft +18 to +25%. It has never died. It's having a problem with a rough idle in hot weather. It idles rough sometimes, and other times it seems fine. USA. If while its running rough and you have an excessive fuel smell, its most likely a stuck fuel injector. 2l V6 Stutter/Rough Idle - I have a 1998 Ford F150 4. Dec 7, 2009 · Member. too many to mention. 2. No loss of power, no hesitation. It is easy to find and cheap to fix. If code appears on the cylinder you put the coilpack from the original misfiring cylinder on, change the bad coilpack. Bought a 2006 Expedition with 5. accelerating smooths it out until RPM's drop. 4 328,000 miles. m. 18. The engine will throttle up and down, bouncing anywhere from 400-800 RPM and will Dec 14, 2011 · The 98 I just bought has a new problem. 4 L Triton ford expedition. 1. It idles about 2000 rpm. It passes this information onto your Expedition ‘s ECU. 6, the car runs perfect once warmed up but the issue is when cold,when i go to start it in the mornings i have to hold my foot on the gas to keep it runnin,id say about 2k rpm's, and during the time im helping Apr 5, 2017 · I am going to replace the fuel pump tomorrow. I have a 2001 Expedition 2WD with a 5. Runs perfect above 1,200 RPM's and drives great. Jan 26, 2017 · Identify which cylinder is misfiring. first thing i did was change the coil pack due to it still being an older coil pack compared to the others and code. My 2000 Ford Expedition with the 5. 1997 - 2003 F150 - 5. Anyone have this issue and or ideas of what the cause might be? Dec 19, 2020 · Member. At a stop I have to keep it at about 1000 RPM to keep it from stalling. Recently the battery died and we installed a new one. acceleration. the fuel filter I'm getting codes 1151, 0303, and 0305 in my 98 ford expedition (4. 6L 98 Expedition 70Kmi. It felt better but not perfect and I ran it on a 1000 long distance round trip. My 4. Immediately when we started it up for the first time after changing batteries, the check engine light was on and it idles rough. It is idling rough, stalling at speed, hesitating. The car will barely run at idle. 6L vin6 has had every possible sensor replaced, gaskets, wires, plugs, injectors, fuel pump, filters, alternator, starter. i cahnged the upper two and had it rescanned the lower o2 sensor code dissappeared … Oct 24, 2016 · I have a 2000 4. I've recently had a rough idle; like panting up and down and sometimes surging. Truck runs extremely rough on start up and idle in park and when in drive at stop lights and stop signs. I have a 2015 EL EXT that when in gear idles rough at around 500 rpm. It restarts instantly with either the key or by "push" starting while in motion. Apr 28, 2018 · A PCV valve leak can cause the air-fuel mixture to run too lean, and this will cause a rough idle. NY. IF YOU ENJOY MY CONTENT BUY M Aug 16, 2007 · 1997-2006 Expedition & Navigator - 98 Expedition, when hot idles rough in drive - Can anyone help me figure out this problem? Changed the IAC valve, throttle position sensor, checked for vacuum leaks and the truck still idles rough in gear. I have found or replaced recently: - There are no loose parts under the vehicle. I've been experiencing my engine having rough idle after driving few miles on the freeway, when I exit the ramp and on full stop, the engine has the tendency to idle rough like it's almost about to choke/die then recovers. My truck has the same symptoms. 7 with the same rough idle problem came from a vacuum leak behind the throtlebody near the firewall. Without time to mess with it immediatly it continued to be driven, and it started running worse and worse. Swap coilpack from the misfiring cylinder with one of the others. 4 L intermittent high idle. 4 L. 1998 FORD EXPEDITION. 4 3V engines. Mar 7, 2007 · 97 5. Oct 10, 2013 · 2001 Expedition idle/stall problems (5. Then you can feel it again. During rough idle it will come in and out to where the pedal response is Dec 29, 2016 · 07-16-2014 12:13 AM. has developed a rough idle. If the leak is exteme you will get a check engine light. 4 3V back in the spring. To confirm, start the truck in the morning and touch the egr pipe if it begins to feel warm, then you've found your problem. It usually dies. Visibly the hoses all looked good, so the leaking hose was hard to locate. I used 5w20 oil when I changed the oil and it’s making the rough idle noises before and after the oil change. Bank 2 (both normal range) RPM's wander from 680 -720. I’m currently in the process of changing VVTs will post an update when I’ve completed the change and let you know if it’s resolved the problem or not. 2L V6 with automatic transmission. Mar 4, 2006 · My 2000 Expedition with the 5. Jan 31, 2010 · 2003 Expedition rough idle. Mar 27, 2017 · Mar 27, 2017. I replaced the MAF with no Aug 24, 2005 · 1998 Expedition 5. misfire. It continues to start up OK and then Feb 4, 2014 · Posts. Apr 9, 2012. 4 Automatic 4x4. Modular V8 (4. The issue goes away if: You put in park and rev the engine. 4 Rough Idle - I am still having some rough idle issues with my 2001 F-150, 5. I have 1998 Expedition that has a high idle problem for several years ! I can disconnect the battery and the idle will go back down for several days ! now it has gotten worse ! When correct the RPM is 700 in neutral and 650 in gear ! hardly any change. Vehicle is a 2000 Ford Expedition 4. 4 in it. 1998 EB 5. I rarely post in any forum, but wanted to share my recent experience fixing my 99 Expy. 4 engine - bought new Dec 24 2002 and currently has 11,300 miles. No CEL right away, but then after 5 mins it came on. 3. Well it has become colder here in Nebraska and I have started to notice that it is now starting to idle really rough all the time. 4, 4x4, 127k - The Check Engine light is on, the engine idles rough and occasionaly stalls when stopped in Drive. Jan 18, 2010 · 2000 Ford F250 4X4 5. However, through diligent troubleshooting and following the steps outlined in this article, you can resolve this problem and restore your Ranger’s smooth operation. Sep 13, 2023 · Never had any problems until 9/11/23. Nov 2, 2007 · 2003 ford expedition: rough. Truck still had rough idle and code never left. I pulled 5,6,7,8 and checked plugs, cop’s and compression. - New PCV Valve and Assembly. . several months later it is idling rought again and if it sits for a while Dec 28, 2003 · 1997-2006 Expedition & Navigator - 99 Expedition rough idle when warm - I have a 99 Expedition, 5. Now a year later, when I start the car, it's rough idling and hesitating at low speeds. Seminole florida. 7 ohm resistance and vehicles passes KOER test Mar 13, 2015 · 2008 Expedition idling very rough. Decided to swap out the spark plug because the one that WAS in cylinder 7 looked really Nov 13, 2018 · Long Island. 5. Sep 8, 2019 · An engine misfire is the most common cause of a shaking idle, and as the engine stumbles and misfires, it should be noticeable on the tachometer as a drop in RPM. So many said change the CRK sensor. Then when I release the brake the truck lunges a little as the rpm goes to around 1000 without touching the gas. After she punched it, it seemed to be OK. BUT when sitting at a light, waiting to turn left after the oncoming traffic has a quick opening, I start to go, I get halfway across Nov 5, 2006 · 1998 Ford Expedition, 118K miles. I have (OKmy wife has) a 2003 Expedition with a 5. Mar 16, 2021 · I got called from a shop that they have a 98 Ford expedition a rebuilt the engine but the truck had a rough idle. rough idle under load and low rpm acceleration with no codes // new plags @3 mo old coils all meter at . This may be caused by the EGR sensor sticking, causing the EGR valve to stay slightly open, and diagnostic testing must be conducted. Car starts perfect but after about 5 seconds it runs right then shuts off and I got about P0340. 4L 2Valve "PI" w/Auto Trans. Los Angeles. The EGR valve and sensor must be replaced together to correct Mar 9, 2005 · 98 Expedition, 5. THis site has been a great help and I hope someone can head me in the right direction. hi guys I need some help here recently my 2005 expedition will start up than a few seconds later it starts to sputter or lope and die or when im driving and come to a stop it just dies some times it dies as soon as I put it in gear but once I start driving it, it runs fine until I try to stop it Oct 22, 2009. At that time the Service Engine Light came on so I had the code read at Auto Zone. Nov 2, 2007 · 1 / 1. like it should, then has no pedal response and starts running rough. Once it starts it's a nearly perfect idle and there are no other issues during the day once the engine stays somewhat warm. New plugs, coil wires and a fuel pump (15,000 miles ago Apr 30, 2019 · They read codes P1000 (OBDII Monitor Testing Not Complete), P0113 (IAT Sensor – High Input Problem), P2196 (O2 Sensor Signal Stuck Rich (Bank 1 Sensor 1)), and P2198 (O2 Sensor Signal Stuck Rich (Bank 2, Sensor 1)) and said the MAF was bad (specifically the IAT sensor which is attached to the MAF on my truck). 1997 - 2003 Ford F150 - rough idle, after warm - 4/5/17. 4L (120,000km) that runs great except for one issue. Cleaning & replacing the IAC has gotten some short term positive results on the rough cold idle, but the problem has returned for some reason. Apr 21, 2014 · New York. st. Hey All-. Runs great until warm, idle drops to 600 rpm, progressively gets more rough, but does not die. 0. No other codes. Clicking this will make more experts see the question and we will May 27, 2010 · The Ford Expedition is known for intermittent rough idling, which may be accompanied by illumination of the check engine light, and poor fuel mileage. My scangauge pulled these codes tonight , P3800 ,, C1016, P0141 . Ive noticed my 07 has a bit of a rough idle for about 10 sec after startup. Jun 15, 2003 · 1997-2006 Expedition & Navigator - 98 Expedition , rough idle - Hello All, I am new here, here it goes. ∙ 15y ago. a while ago i had a check engine light and it was for a #5 cyl. 03, 05, 2005, 54, coil, died, escape, f150, ford, hot, idle, number, p0401, rough. We have a 2005 Expedition with the 5. 6L. If it stalls going down the road I can shift to neutral, shut the key off and it fires right back up. Yet it will start and run a few seconds. 46. Posted by chad_foshee on Mar 25, 2010. No error lights on dash. Jan 19, 2005 · I am also going to change the fuel filter tomorrow, and probably plugs as well. Even Rough Idle No CHECK ENGINE LIGHT~~~~ EASY FIX, In this video i will show you how to repair your low idle problem quick and easy. The same 98 Ford Expedition starts and the fuel pressure is around 36 psi, then it drops below 20 psi and shuts off. Ford has an extended service call on this covering 100% of cost. However after the first minute or so of driving, the rough idle disappears. Clear codes. 6L Right side miss fires - Other mechanic is working on it. I purchased the manual and now I am totally confused. same problem My 2003 ford expedition had been idleing rough and dying. We have an 05 expedition with 100k. He went through all the same steps as you (It has been to 3 shops) So we pulled the valve cover and what did we see? 2 rockers were sitting on the head. Want Answer 0. (I had received a misfire code on #7 earlier) Swapped out cops-no change. Most of the time when warmed up it is idling around 1500-2000 rpms. Aug 16, 2020 · Got it fixed-for now. I heard that you have to give the ECU module time to reset it's self after disconnecting the battery and once it does it'll straighten out. The truck runs and drives normally otherwise, no detectable misfire , rough running, or trans issues. I have a 99 4. The trouble persisted, but I feathered my way Oct 20, 2018 · 5. No codes but occassionally pending codes showing bank 1 lean (P0171) and bank 2 rich (P2198) MAF tested. Two mechanics had came prior and one of the Jul 28, 2014 · Member. The vehicle has been to the dealer 3 times and they have yet to fix the problem. 6 Rough Idle-Updated! Hello! I have a 99 Exp 4. So have you investigated the IAC electrical Jun 27, 2003 · 3. The car seems to be in pretty good shape over all (125K miles, good interior, drives great, etc) BUT, it wants to stall everytime that you come to a stop sign, slow down for a corner, etc and Jul 29, 2023 · Hello Ford lovers. 5 l Limited. 1997-2006 Expedition & Navigator - 2007 expedition miss/rough/no idle - Hi all. Oct 6, 2016 · A little hesitation accelerating. Runs really well and has been a rock (so far) in terms of reliability and cost of repairs to date. Aug 4, 2004 · 1997-2006 Expedition & Navigator - 98 Expedition Rough/Low Idle - I recently began having problems with my Expedtion starting with a cold engine. I have had no problems with the truck until about 6 months prior to doing the tune-up. 7. I have changed all the plugs and coils, new Maf, new IAC and it went from barely running idling high. For sometime now truck is hard to start in cooler weather especially when sitting overnight. So before I have them do anything, what else should I look out for Jan 12, 2004 · 1999 Expedition 4. 4 Rough Idle: Maintenance Journal - Hi, all. It does not do this all the time but enough times to leave me stranded on the highway. I'm thinking the next steps are replacing AIC and EGR or EGR solenoid. 4 out of the blue started running rough and would feel like it was going to cut out when in gear. No codes. We took a trip last week and I noticed a rough idle at the stop lights. Feb 25, 2022 · 12. Lvl 1. Louisiana. I have a 2003 Ford Expedition 5. Smidpadriac ∙ . Anyway I just got a 2002 expedition and installed a K&N cold air system and flowmaster catback. I got 6 codes 4 were cylinder 1-4 misfire the other 2 were P0340 and P0344. I bought a new cam shaft sensor cleared the codes and started it. So after a test drive and a drive down the freeway Location. Tags. Copy. There is a rubber elbow at the extreme rear and top of the engine that tends to rot and develop a leak over time. 4L Extremely Rough idle, Shutters when accelerating-HELP! - I have a 98 F-150 with 98,000 miles. The valve on the firewall is the EVAP purge solenoid, it releases fuel vapor from the tank into the engine. Has 89K miles on it. Assumed that I would eventually need to replace some coil packs and/or spark plugs. 4L 3V intermittent rough idle. The fix is to service the valve regularly and make sure that it is clean and fully operational. It finally Aug 30, 2013 · 1997 - 2003 Ford F150 - 1998 Expedition with 375K Runs Rough - Shudders when accelerating - After getting trouble codes on 4 and 5 I had all my plugs (except #4) and replaced the #4 COP. Runs and idles fine for the first 10 minutes Oct 6, 2010 · 1997-2006 Expedition & Navigator - Extremely rough idle-98 Expedition - I have a 98 Expedition, 4X4, 4. Vehicle drives normally. 4L) - 2005 Expedition 5. It also lacks power and I'm only getting about 10-11 mpg, down from 15-17 mpg. I also get a gas smell coming from exhaust during that time. 6) that is accompanied by rough cold start idle and acceleration within the first couple of miles. While the engine is running [at idle if possible] I used a slow stream of water directed over each of the hoses until the leaky one was found. 6 days ago · That means you’ll need to pay both parts and labor costs. With your foot on the brake pedal and the A/C still on, put the vehicle in "D" (Drive) and allow the engine to idle for at least one minute. rough idle, after warm. Dec 31, 2003 · Guest. Ok, the basics: 2000 Ford Expedition 5. 4) Ok. Runs fine in every other respect - just the idle (and no check engine light on). 8 & 4. Aug 2, 2011 · The vehicle will not run rough in drive as long as the RPMs remain above 800. louis. The parts could cost anywhere from $60 to more than $400, while the labor is between $100 and $200. The engine would start, idle drop to nothing, and then stall. Nov 27, 2016. It has 195k miles, I did a tune up using Ford spark plugs lugs and replaced all the boots and springs on the coil and replaced 2 bad COP. So this is my first trip here to the board. I have a 2003 Expedition with the 5. The port on it is the EVAP test port, and is used to make sure the system holds pressure (no leaks in the vapor line to the tank, and no leaks at gas cap). - RPM at 900 when in Neutral and Park. MEMBER. 4 liter. Replaced DPFE sensor with motorcraft DPFE15. Engine Timing. I think you have a stuck open EGR valve causing exhaust gas to recirculate when the engine is cold. I have owned several ford trucks and currently own 3 mustangs. The truck was completely stock. etc. cold start. 4 4x4. - There is no increase in Idle when engaging AC in all modes. 4 triton - My expedition has a realy rough idle that surges from 400 - 1100 then back down to 400! I have removed the throttle body and cleaned, checked the pcv elbow at the back of the intake, removed the egr and clean ed and also applied vacuum to the egr while May 18, 2009 · 98 ford expedition: rough. Starts fine hot or cold, and the idle problem only occurs when it's warm. First of all, truck is a 2007 expedition EL 2wd with 202k on the ticker. 4L. 6L Eddie Bauer 2WD, original owner. #1. 6 Triton and it was running just fine when starting. Wondering what i can do to try and troubleshoot or solve the issue. This video goes along well with chapter 20 in my book “Idle Speed Controls”, but also specifical Dec 13, 2003 · 1998 explorer rough idle. The normal process is for it to go to 1500 rpm and then slowly run down to just under 1000 rpm. 108. A couple days ago when my wife started it, it idled real rough and the engine pinged and smelled of gas. 4L Rough Idle problems - Hello, I'm new to these forums, but let me get started right away. Over the last year, it had progressively gotten worse. Today it seemed hard for the engiine to turn over. This seems to only happen when the truck is warmed up and when slowing to, or at a stop in idle. May 16, 2010 · Right now it seems that you've described two running problems, a rough cold start up idle & low power output at wot, maybe they have some relation, maybe not. I have checked everything in that electrical circuit, the ECM May 10, 2009 · 2005 Expedition Hard Start and Rough Idle. It had been running on the originals until that point. Winter Haven, Fl. 43. replaced all plugs and the #5 coil pack and ran great. Feb 28, 2011 · 1997-2006 Expedition & Navigator - High Idle 98 Expedition 5. At a stop, in gear or in neutral, warm or cold the engine will flip flop back and forth between 500 and 1000 rpms. I can’t even accelerate the engine. I put my diagnostic reader on it and got code P0016. Long story short, I replaced the engine with a salvaged 98 4. Next I decided to swap out one of my old cops with my new cop on cylinder 7. 4 L - I have 275K miles on my Expedition. If gap is big get new plug. 4L motor started running with a slight rough idle. 4 4x4 with 68,000 miles. If you watch the RPM's at idle it will go from about 700 to 450 back to 700. canada. Autozone gave a code 506, Idle Air control, but from what I've found, this Hey guys, I'm chasing yet another annoyance in my Expedition (2000 XLT, 5. 6L, 5. Withing a few hours of taking to the highway I noticed the Check Engine light come on. When this happens, I rev the engine couple of times and Turn the air conditioning on and allow the engine to idle for at least one minute. having high idle issues. Cold starts: ( +3 degrees Fahrenheit ) the truck runs great. Placed them back on, drove it and same thing happened. needless to say, after buying May 30, 2013 · 1997-2006 Expedition & Navigator - 1999 Expedition 5. Any suggestions. Dec 30, 2008 · 01-27-2009 08:52 AM. lean. I purchased on 01 expedition to have around as a workhorse. We started noticing a difference in the idle while setting at a stop light about 4 weeks ago. Posts. Oct 8, 2011 · 1998 Ford Explorer Sport. The average replacement cost of an idle air control valve is between $160 and $600. Mar 25, 2010 · Rough idle on 98 ford expedition 5. texas. 4 ltr 4wd. Check out my post under the f150 forum. Shut off for a few minutes and process starts over. 4. It runs great when it been sitting for a while or cold and after about 10 minutes of driving it feels Jan 14, 2014 · 03 Expedition stalling, rough idle, etc. The truck hit 103k miles about 2 months ago. wc an rj yk nj to tx lv aa qu