Jeep xj rough idle and stalling. 0, automatic Its a very intermittent problem.

Jeep xj rough idle and stalling. Af. Stock engine/drivetrain Just replaced plugs about 2k miles ago. the way he has been getting May 7, 2020 · Have you come to a stop and stalled only to think, "why does my Jeep stall when I stop"? Coming up to a stop and having your Jeep stall is embarrassing and dangerous. I'm just a shade tree mechanic but used to work a lot on an old Jeep Cherokee when I was a kid. dies or rough idle fix! 4. Dec 13, 2008 · '95 XJ country edition, 4" coils/3/4" spacers, HD leafs with extra main added in, Ironman adjustable control arms, rough country shackles, aussie locker, JK rubicon shocks, 35" mudder's, soft 8's, cobra cb Sold '99 WJ limited, 4. It does this rough idle for Jun 21, 2005 · I've got a 92 Jeep Cherokee Automatic 6 cylinder and i have been happy with the way the jeep has been performing for the last couple months and everything seemed fine til a couple weeks ago when i was leaving for work and it didn't run all weekend. 1995 ZJ 5. In this article, we’ll look at some of the most common causes of a rough idle in the Cherokee and how to fix the problem. Nov 30, 2011 · As mentioned, disco the battery to reset the PCM, and that should help your idle. 0 AW4. The tailpipe. Also, consider inspecting the camshaft position sensor and fuel injectors for proper function. 124000 miles. Helpppp lol. If problems Feb 18, 2009 · The rough idle is a chug-chug-chug. For the first minute or so it will have a rough idle, seems like a lean misfire. after this time, it "clears up" & runs fine& usually starts fine once it's warm. Will rev to 1,000 rpm. Idle bogging under load is a pretty common sign of a vac leak. I finally had a “hick-up” one-day where I was in drive and when I hit the gas after waiting at a stoplight, the Aug 15, 2022 · A Jeep stalling while driving is a nightmare, especially on a busy road! Save yourself the hassle and understand why this happens as we share what we’ve found. Holding gas down usually helps with rough starts. Mar 22, 2009 · 1990 renix 4. We begin looking into f Aug 12, 2009 · When was the last time it had a basic tune-up? (air filter, plugs, wires, cap, rotor, cleaned the Idle Air Control, and perhaps cleaned the throttle body). starting the jeep it’ll start at around 200-400 rpm and slowly go up to normal idle (800-1000). When I started driving today it was idling extremely rough and wants to stall constantly if I let it sit in park it will idle very slow and Recently I have had an idle concern. I was driving for about 20 mins and i start slowing down for a stop light and the jeep starts idling very rough and at a super low rpm about 300rpm on the gauge. When the XJ starts low and rough does it take the same amount of time to fire up as during a normal start? My first thought was Crank or Cam position sensor but there are a number of experts on here who might have more insight. Lately i noticed that when I try to crank it up, usually takes about a 30-50 seconds to get it running. Long story short and various parts replace I'm still getting intermitent performance and reliablility. Failure to do so often results in the chasing of your tail. I started it after work yesterday and immediately noticed that it took about three times longer than usual for it to start, usually it fires right up! The engine has more than enough power at idle to snap the belt off the compressor if it was dragging (ask me how I know. We begin looking into f Sep 20, 2008 · A forum community dedicated to Jeep Cherokee owners and enthusiasts. So, new crate engine, radiator, thermostat housing, thermostat, clutch fan, battery, distributor cap, spark plugs and Apr 13, 2012 · I've had this Jeep for about a year now, and it has been running well up until recently when it started having a very rough idle that only occurs once it has been running and driven a while. ) In my quest for a low idle speed I have followed all the Mar 3, 2019 · 96 XJ runs great otherwise. Dec 11, 2013 · hello, My name is John and i am new to posting here. Had the tune up done, and problem seems to not have changed Jul 29, 2015 · When the IAC doesn´t throw a code (and the IAC stepper motor plunjer and air channal are clean), then most probably idle problems are caused by the TPS. gets a little better Feb 9, 2025 · I have this 1993 xj I purchased a while ago due to the guy thinking there was a bad fuel rail. 2000 Cherokee Classic 4x4 127k miles. The tac always stays steady and does not fluctuate with the idle at all. Jul 23, 2025 · Even with low battery voltage, the engine will start, but the ECU can re-boot multiple times and a new battery may be required. Since then I've had rough idling, intermittent rough running, some stumbling and loss of power on Dec 18, 2008 · Ok. Ran fine, but idled like crapola! It does not jump all over the tach. 035, new wires, cap and rotor with brass Jan 19, 2010 · Basically i start the jeep, it has a terrible idle, cant even rev the engine, it used to rough idle on occasion like this and i would give it a little throttle and it would clear up. 2L V8 318. SOLVED!! Jeep 4. 170,000 miles. Car sometimes idles at or below 300RPM Occasionally when car dies while Dec 23, 2022 · If your Jeep TJ 4. Nov 29, 2021 · Hello, fellow forum-ers. Idle air control motor failures will usually start and run ok if you keep your foot on the gas slightly. 0 so i have never had a problem with my jeeps engine before this and the iac sensor when i first got it. Things that have been done: Scan for codes - no codes Ignition side: New Dec 26, 2012 · It is having an intermittent stalling issue only when coming to a stop. 0 4WD Auto. Idles for a few minutes and does the same thing. Another update! Went for a drive today, got home and the car's idle was rough and poor, and there was a rattling noise that was quite loud and only present when the clutch was out? Odd. Does this look like it could be a culprit? Oct 13, 2009 · Hello men, I have a 1999 XJ 4. Today, sitting at idle for a few minutes after commute home, engine drops to that weird, half idle and seems to be missing. idle is normal 750-800 in park. 0 I had that was only running on 7 cylinders. Jul 15, 2016 · 4. Starts and idles fine. Aug 29, 2019 · If you own a Jeep Cherokee and it’s idling rough, you may be feeling frustrated. Cleaned IAC and throttle body. Posting what I discovered because it has not shown up as possible problem area on any of my searches. 0's but I figured idle should be much higher. once it starts, the idle is rough for about 15 more seconds. The rpms are normal during this time. I'm have a puzzling issue with my 1996 Cherokee 4. Easy way to test for a vac leak without any gauges is to spray break parts cleaner or carb cleaner all over the motor while its running and when your idle jumps thats the area where - 1997-2001 Jeep Cherokee menos NAXJA Forum User Location Moore, OK Oct 21, 2014 #6 Re: Re: Flooding and rough idle and stalling Xtreme XJ said: Jul 22, 1997 · To: XJ-S List Subject: [xj-s] Rough Idle Hi All, As I was checking over the vacuum lines to the distributor, I discovered that the vac line to the distributor was plugged, unplugged it, and ran the engine, rough idle! ( when it was plugged it had a very slight miss but reasonably smooth. My Jeep Cherokee was idling rough like it was choking when I started it and then it would stall. - The engine seems to run great at highway speeds, until it stalls. I sprayed the crank angle sensor, tps, ECU, as well as another sensor on top of the throttle body and no change (sprayed with WD40/water dispersant). Tried it a few more times and it just ended up stalling faster and Jul 18, 2024 · If your Jeep Cherokee ‘s idle is rough, causing vibrations or engine stalls, it can be a frustrating and concerning issue. Jun 21, 2025 · Discover common 4. 7K views 8 replies 4 participants last post by link375 Jan 19, 2014 B Sep 19, 2016 · I too had an O2 sensor fail and a bit later a low idle problem (I had to drive two footed to avoid stalling at a traffic light). It idles like normal for about 45secs, then at about 800rpm, the engine goes into this stumbling idle. Stays pretty steady, but that chug-chug-chug-is really noticeable at the rear end of the jeep. its completely unpredictable. I kept my eye on it and the RPM meter twitches up and down as if it is uneasy while in idle. a brief buck and stall. it started happening this winter, I will come up to a stop while in drive and the idle is rough, and will stall sometimes, not all the time, so I'm wondering if there is like a idle positioning sensor? and if so where is it, and if not, what Apr 1, 2011 · Just like it says, I've been having this issue for a month or so now. Feb 19, 2015 · As I continue with this very rough engine revving, the engine will slowly smooth out. So after giving it some throttle it wouldn't clear up and eventually bogged down and stalled. By observing and testing these systems, you'll find your problem in the Jeep Cherokee. After doing this for about a minute, the idle will start to smooth out and the car will finally idle on its own and revs up fine. Runs fine. Far as the O2 sensors just replace them and make sure the CAT isn't clogged. Nov 19, 2019 · Rough idle/low RPMs and intermittent stalling at low speeds Jump to Latest 2. 0, selec trac 4x4. I've done the following with no success: replaced all 6 sparkplugs with new ones replaced 98 Jeep Cherokee XJ - rough idle and stalling when hitting gas Hey guys I appreciate the help here. 0 is misfiring and idling rough after a spark plug change, especially with a P0301 code, start by re-examining the spark plugs themselves. Come join the discussion about performance, engine swaps, modifications, classifieds, troubleshooting, maintenance, and more! Dec 15, 2011 · I guess Jeep just likes the OEM plugs so I swapped out the plugs and no more stalling at idle! I also checked the voltage output on my alternator, a little low at 13. Jul 18, 2009 · Help me out guys so I know where to start lookin. The idle felt really rough around 500-600 rpm. 0L, 142k miles) has the strangest idle symptoms. List of parts not replaced yet: Our 1999 Jeep Cherokee XJ recently started having a rough idle issues that would often stall the jeep and give us a P1391 error code. Eventually a not well releasing torque converter clutch can cause stalling. Dec 3, 2017 · Been having problem with my Jeep Cherokee Stalling out during start up and stalling while driving. Yes, I know that would require people reading the thread, but I think Jun 8, 2012 · 4. Jan 22, 2012 · Re: Guess what? I have a RENIX XJ with a rough idle and misfires! Best to get all new tuneup hardware in there. Today it runs like hell. 8 volts. Back story my 17 year old son bought 3 months ago as his dream vehicle. After that it runs somewhat normal but slowing down or stoping has a similar effect where it’ll drop down to 200 rpm again and jump back up slowly. HELP! Jump to Latest 12K views 19 replies 9 participants last post by 4x4xjCREW Dec 6, 2009 4 Feb 19, 2023 · They both can cause a rough idle, engine stalls and drive ability issues. Cleaning the Idle Air Controller (IAC), regular tune-ups, and using fuel injector cleaner should be part of your routine maintenance for good starting. This is the problemabout a month ago I pulled into a parking lot and came to a stop and it just died. Aug 8, 2006 · For the longest time I had a problem where randomly at idle my Jeep would start shaking and then have no power upon takeoff. Flashing CEL and a temporary cylinder 3 misfire code that was pending n went away after it stalled. About 2 weeks ago the engine began sputtering and missing under a load. When May 26, 2020 · 2001 XJ, 4. At first it would hesitate and sputter for several seconds then kick down a gear and run fairly normal Aug 16, 2008 · It does not seem to be effected when the rpm's are any higher then idle. Sometimes when I park the jeep and walk by the front I Sep 15, 2023 · Jeep Cherokee XJ’s and Cherokee KJ’s with less than 25,000 miles have experienced stalling problems, but most cases seem to involve vehicles with 75,000 miles or more on them, and it is with particular reference to these older vehicles that the PCM is most relevant. Their is still a cylinder #1 misfire and multiple random misfire code. if i put it in gear during this time, it feels like it's going to stall, but doesn't. Anyways, the problem with my ZJ is that half the time Aug 10, 2023 · Idle problems in the 2000 jeep cherokee can arise from a range of factors, including malfunctioning sensors, clogged fuel injectors, or a faulty idle air control valve. Dec 28, 2017 · Jeep died, low rough idle and stalling, won't run Jump to Latest 11K views 8 replies 5 participants last post by Redbird67 Jan 7, 2018 D Aug 25, 2025 · Rough Idle And Stalling A rough idle is a frequent complaint with the Jeep Cherokee XJ. 0 XJ 2WD. I disconnected the battery everything went back to normal. Lean. Dec 19, 2010 · Been frustrated since Thanksgiving (colder weather) with very rough initial idle and hard starts, and occasional NO start. I ran the codes and it says bank 1 misfire and bank 3 misfire. Are you Dec 12, 2008 · Jeep Cherokee has rough/low idle and is stalling Jump to Latest 61K views 43 replies 12 participants last post by tylermack Jan 11, 2016 H Sep 14, 2015 · Jeep Cherokee 1984-2001: Why Does My Car Idle Rough? An engine needs a precise amount of air and fuel to idle smoothly. 0 Cherokees and stalling etc. Mar 13, 2016 · Problem only occurs during lengthy periods of idle say in traffic or running through a backed up drive through. When i started it up it had a rough idle for a Jan 31, 2013 · Then, recently, (idle stayed rough since Summer…but no codes, January now), during an early morning, driveway idle warm up, I went to get back in the Jeep and it had thrown a CEL in the driveway. This can often lead to stalling, especially at stop signs or traffic lights. coming to a stop you can hear the rpms drop and feel it a bit. any ideas? Sep 15, 2005 · i turn the key from a cold start & my XJ takes at least 5 seconds to fire up (no problem turning over). A few days ago it started acting up by surging/rough idling but only after starting Feb 1, 2009 · My 96 Jeep Cherokee Sport is killing me. 0s, They tend to cause a rough idle, stall, or lack of starting concern, Usually with a mil on tho. About 5 months ago I replaced all kinds of things under hood when I bought it (belt, water pump, thermostat, pulleys Jun 15, 2022 · My 98' Cherokee sport( 4wd, manual trans. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more for the SJ, XJ, KJ, KK, KL series and Grand Cherokee! Jan 25, 2025 · 99’ XJ - idling kind of rough. I would have the battery and alternator checked out, as well as replace the IAC valve. Also going about 50 on the highway. Ensure they are properly gapped (around . The engine may feel unstable or shake while idling. These range from the fuel system, ignition system, engine mechanical systems, and electronic motors/sensors. If its not a bad cam sensor it could be the timing chain jumped a tooth or stretched. Problem: The XJ will start quickly, it will run for a second or so, then it stalls. 0 entire. Last night i was almost left stranded. It will crank right back up and stall, again and again. Reseting the computer after changing IAC fixed the stalling for about 3 days. Apr 29, 2013 · The Jeep 1991 Cherokee HO 4. These problems can lead to a rough idle, stalling, or even difficulty starting the vehicle. At that time the AFR is around 17:1. It smooths out once I get up to speed, but idling and the initial acceleration make me feel like it's Feb 28, 2016 · Rough idle, stalling while driving and backfiring Jump to Latest 2. . When I start the car when the engine is cold, it kicks right over. Understanding the underlying causes is crucial for restoring a smooth and efficient performance. First was just stalling or have rough idle then started stalling as driving and gauges started this is how I fixed the rough idle in my Jeep Cherokee XJ with the 4. the problem started a day ago after i had just gone wheeling. Ive replaced all the plugs wires and can't find an existing thread with this problem. 1999 Cherokee XJ, manual transmission. Many systems and parts are used to keep the engine idling. My idle got very low and was stumbling really hard it has gotten worse so now i have to free rev it to keep it May 10, 2018 · Turning off and on doesn't change this. This behavior continues for another minute or two, then the problem goes away and it runs and idles normally. 7L, 3" IRO lift. Has rough time starting All symptoms worsen after pumping any amount of gas. I cleaned the Idle Air Control solenoid and cleaned the throttle body Jun 14, 2010 · Hello all, just bought my 1993 ZJ limited 4. Feb 19, 2025 · I have a 2000 Jeep Cherokee with about 215k on the dash. The car runs fine after this with no stalling or cross firing. Aug 3, 2011 · Hi Im baffled by this problem. Jan 17, 2012 · What it sounds like to me is you have a vacuum leak. com May 9, 2012 · My jeep, 1990 XJ Cherokee Pioneer has been running like a top for over a year now with no problems. 0 AWD off of Craig's list a couple weeks ago expecting to do some work on it. 0L electrical problem chip63ss 121 subscribers Subscribed Nov 6, 2017 · Here's the symptoms: 1. The Jeep im working on is my girlfriends. Hey guys i ran into a problem saturday that i cant figure out. Jan 25, 2025 · 01 XJ with a 96 engine in it used to idle fine but lately it’ll be fine for a bit then get worse and eventually stall. Dec 7, 2003 · My experience with the 4. Once running it gives out and then regains power and then gives out until finally stalling. I looked up the issue and found several videos on cleaning the throttle body and IAC valve. Aug 25, 2025 · If you’re facing Jeep Cherokee XJ Common Problems, learn the causes, fixes, and tips to keep your classic SUV running strong and reliably. 0, automatic Its a very intermittent problem. Jan 18, 2014 · Rough idle and stalling at start when warm Jump to Latest 8. ) I think the real problem was just exacerbated by the short cycling compressor. The most common cause of a rough idle is misfiring. It is after my XJ has sat for quite a while, like over night or when I am at work. Besides that, it establishes a baseline for future tuneups. Fast forward 13 years and my friend has one that is giving him issues, and I'm forgetting all of my old diagnosing ways. Turn it off again, starts up fine again no problem. applying/releasing brakes and shifting between park, neut, and drive has no Nov 18, 2010 · - The engine does have a rough idle and misfire but it has been doing that well before the stalling problem. I get a low/rough idle on startup. Car will die while driving. 180,000 miles. I have low-ish idle while coming to a dead stop on the brakes (can dip down to 690) but once stopped, goes back up again to 720-750 idling in drive. Dec 7, 2024 · But ever since than it’s been running rough. , 4. Really bad rough idle, and occasional stalling. 0L. sometimes, the idle will become very rough, then it will be nice and smooth and repeat; all of these symptoms are consistent and in no particular order. Fuel pressure was checked, and is good. So i fire it Feb 14, 2008 · I have a bit of a problem on cold start. It reminds me of a 5. See full list on tonybassogm. I have a 1994 4. The ECU will relearn the idle settings after a short period of driving and the engine will start and idle normally. Feb 5, 2012 · CLEANING THE JEEP 4. So far it's one of the Jeeps that I've been wanting for a very long time - the other is the XJ as my name suggests. I just had a full tune up done, including plugs, wires, cap, and rotor, because it was running a little rough at idle, and, at times, seemed like it had no power. Lots of carbon build up, and with the IAC running amok, all makings for rough idle. when at idle it will seem as if its ok, but then it will bog down and jump right up again to normal and repeat, but it will not stall. Fresh Champion copper plugs gapped to . Most often happens from a cold start, but once or twice from already warm. A deep dive into actual Mar 16, 2016 · Just replaced CPS, and plugs. '01 XJ, 4. Off Road Only buggy. The importance of fresh secondary ignition (tune up parts) cannot be overstated. 0 IDLE AIR CONTROL Remove the air filter cover, associated hoses and the rubber boot that goes from the air filter cover to the throttle body. 5K views 6 replies 5 participants last post by Gluckmysock Mar 1, 2016 W Dec 15, 2019 · I have a 2001 Jeep Cherokee Sport, automatic transmission, I6 engine (stock). I have replaced the spark plugs, plug wires, distributor cap, rotor, fuel injectors, fuel filter, ignition coil, gas cap, air filter, oxygen sensor, and the catalytic converter. Started it back up, checked all gauges, everything looked fine, it purred like a kitten so i just assumed it was a hicup or bout Oct 25, 2014 · My Jeep started to idle at a low RPM and seemed “rough” as if it would cut off at any time. I have googled tons and tons and read countless threads on 4. Feb 20, 2013 · Engine starts to idle rough again at stoplights, needle bouncing between 750-1000, never stalling, occasionally "adjusting" itself and idling fine! Another slight problem I have noticed recently is that my RPMs rarely exceed 3k even when floored while moving. Same thing happens, this time with a vengeance. A damaged or faulty spark plug, even if new, can cause a misfire. I replaced the TPS and the IAC because another jeep i worked on had a similar problem and A forum community dedicated to all jeep owners and enthusiasts. After an hour or so of wheeling, the vehicle will start to run rough and stall or run rough right after start-up. I'm not sure where the idle is supposed to be with these 4. The car will shake on a cold start then once warmed up, sounds ok then it plays up once engine is really warmed up after 30 mins driving and once at the lights its misfiring/shaking/rough idle and once RPM's above 800-1000 performance is good again. Common causes include a dirty throttle body, bad spark plugs, or a faulty idle air control valve. it’ll start up a little rough then it will idle rough until it get warm after it warms up some it’ll just up and die on me but after that i can start it up again and after a minute or so it’ll die again. I have the 4. Just take a fine powder and fluff it when the motor is running by lines and see if any is being drawn towards a section of line. A few weeks ago it started running rough, then stalling when I come to a complete stop (ie - in traffic or at intersections). May 16, 2012 · Cherokee Chat - Your Guide to "EXTREMELY common problems with an XJ (and how to fix them)" - I'm sure this thread will sink into the depths soon enough, but I want to at least try to do something to cure the problem of repeatedly asked questions. When it stalls I crank it back up and it smells of exhaust really bad. I reset the computer today when changing the CKP Sensor, and its not stalling, but the idle still seems to rough. 0 liter Jeep engine problems, their causes, recalls, and owner insights to keep your vehicle running smoothly. No codes present. Dec 2, 2009 · 98 Classic Randomly cuts out while driving, random rough idle and stalling. There Jul 30, 2012 · As Topic, what specifically is that? Can this cause rough idle and stalling when stop? What is the solution? Thanks, Lu Nov 30, 2011 · Your symptoms are: (1) having difficulties starting the engine without depressing the gas pedal, and (2) the engine will have a low idle and probably stalls unless you keep your foot on the gas pedal. Nov 27, 2009 · my 01 will idle rough for a little while after starting every now and again, then run fine. It's just a rough rocking-type shake May 18, 2017 · Hey, first time posting here. 0 L6 The symptoms: It began maybe a month ago, I noticed that upon starting it would run rough for a few seconds then smooth out and be fine. Im working on a friends 1998 Cherokee and it has a really rough idle but when you accelerate it runs just fine. it will be driving just fine, shifting through the gears like butter, then when coming to a stop sign, its as if you were to leave a manual transmission in first gear and come to a stop. This Oct 5, 2013 · Crank sensor failures are pretty common on all jeep 4. 0 automatic with 147,000 Sep 5, 2020 · Have a 1991 XJ Laredo with some issues. What I'm seeing is when its running rough and seems like its missing the spark from the coil. Apr 24, 2017 · As I drove it home, the jeep had a hard time cruising at low speeds and when I stopped, the jeep felt like it wanted to stall out. 0 is that rough idle is usually caused by vacuum leak as mentioned above already. 0. 0 Stalling when stopping/stopped/idle, and loss of power/bucking when accelerating? Jump to Latest 43K views 17 replies 7 participants last post by narwhalhunter Dec 11, 2013 J Aug 26, 2019 · Hello all, I’m sure this has been asked before but can’t find my specific symptoms. I just have a few questions. And it hasnt gone away. So, I'm due for some issues. 5K views 15 replies 3 participants last post by Ross Nov 21, 2019 J Apr 17, 2011 · 2000 jeep Cherokee, bone stock, 4. No noticeable drop in rpm does not seem like it wishes to completely stall. Jul 18, 2004 · Hey, I have an 1987 Jeep Cherokee Chief and i drove it yesterday about 20 miles and it was running decently. Myself i'd just go ahead fire up the parts cannon, bite the bullet and change both to get them out of the way. 0 stalls when warm or put into gear. Then a few weeks ago I started it and it ran rough and didn't smooth out. Overheated on the way home and was decided it needed a new engine. 0 Low Idle RPM & Slightly Rough Idle Check out my IAC housing on the throttle body. Jan 8, 2024 · Stalling: A bad map sensor may cause your engine to stall randomly while driving due to incorrect readings taken from atmospheric pressure conditions in the intake manifold resulting in insufficient air-fuel ratio and stalling of the engine. The RPMs would increase as I accelerated but it felt like there was pressure under the pedal like it wanted to backfire for about 10 seconds and then it would go, although Mar 21, 2011 · I have a 98 ZJ, with the 4. I can definitely see why your Jeep was acting up. No check engine light or codes found with my OBD-II scanner. When I start up the jeep for the first time in the morning it would start up just fine but rumble and shake back and forth for about 6-8 seconds then it idles out fine. Turn jeep off, start it. Completely fine when giving it some revs though. Bunch of rough idle threads but none this specifc. 0 (non distributor) and over night it began running super rough at idle. 2000 jeep xj 6 cyl Mar 10, 2010 · Ok, First, yes I did search, but to no avail. 230,000 miles and still rollin. I've cleaned the IAC and replaced as I mentioned in my original post, but I haven't done much other than let it idle and spray throttle body cleaner into the idle air passage. It has 88,000 miles. she bought it over the summer (3 or 4 months ago) and it is a 2000 Cherokee Sport 4. i searched and found a little info but on older xj's anyony else have had same issues with late models? Jun 10, 2010 · If I pull over and let it idle, the idle is very low and it almost stalls. Furthermore, it can be challenging to diagnose the problem yourself if you're not mechanically inclined or experienced. I’ve tried cleaning the IAC but didn’t change anything link to video > Our 1999 Jeep Cherokee XJ recently started having a rough idle issues that would often stall the jeep and give us a P1391 error code. Also been getting horrible mileage, around 10 MPG. 035) and undamaged. Seems to rev freely in park or neutral. Also only happens when car is in gear, but ceases after getting back on the gas for a few moments. Mar 21, 2023 · Drove for a few days and back to the same negative trims and misfire/rough idle. Usually bounces from normal idle and back up but sometimes will stay at 1000 rpm. In this video we tackle the next possible culprit and replace the hard-to-reach Crankshaft Position Sensor (CPS) in the Jeep. Eventually it stops. In this article, we examine the most common causes for Jeep Cherokee stalls and how to fix them. This is a tutorial on how to replace or clean your Idle Air Control Valve on a 97-01 Jeep Cherokee XJ. t98p kojp pl5dmw5 rv 7s 8prh6 wr fxqv ioh vj