Jeep liberty misfire problems. The long term fuel trim for bank 1 shows 5.

• Jeep liberty misfire problems Mar 5, 2018 · Hey, all. Mar 21, 2023 · Greets from down under. It's doesn't make The noise all the time it does sometimes when idling and and when it's between 1500 to 2500 rpm. I use this on Lexus direct injection cars with dirty valves/misfire with success. -Replaced plugs -New ignition coils -Confirmed it didnt drop a rocker -Replaced B1S1 O2 sensor If its cold it isnt as bad (still bad), it'll idle but REALLY rough. 5k rpm. Here are some common problems associated with the 2004 Jeep Liberty, along with their symptoms, reasons, and potential risks of keeping these issues unresolved. I'm really not worried about the EVAP leak but the misfire is bothering me. 3K views 11 replies 2 participants last post by bigdawg822 Dec 22, 2012 Jan 17, 2025 · Currently has a misfire on cylinder 3 and I cannot figure it out for the life of me. Check pressure when idling and under load in park (throttle pedal pressed). The shop manual for my 07 Jeep Liberty 3. My sister bought it in 2007 and around 2009 up came p0300 and then misfire code for each cylinder soon followed. We recently purchased it and I have replaced the plugs and coil so far. Apr 24, 2008 · My Problem Solved Misfire on Jeep 2003 I have a Jeep Liberty 2003 and was having the same issues. Finally, I will discuss the solution to each problem. Every misfire I ever had [ seven so far] has been cured by a new fuel injector. 7L engine light being on. Jul 31, 2013 · I have a 2003 Jeep Liberty 6cyl 3. Im new here. 7L), ignition module or mass air flow sensor on a Liberty. This problem started within 60 seconds of filling the tank so the instant thought is bad gas. Yes, you may need o2 sensors, yes, there may be a rotted ground connection, but, there may also be issues with the valves sealing. 7 Liter engine and had an issue. Mine had a rough idle like yours and significant loss of power, also jerking when trying to accelerate, check engine light flashing. It's very loud I can hear it from inside the jeep! It is also misfiring bad and don't have much power. The problems may be more than what the trouble codes suggest. My 2012 Jeep JKU with about 85k miles, keeps having issues with misfiring, codes P0300 / P0301 / P0303 / P0305 keep popping up. The code sometimes turns the light on and Feb 15, 2018 · You have a sophisticated system on your Jeep, if you are generating a coil/injector/misfire code then swap out some parts. Dec 9, 2021 · Hi all I'm having an issue with the Liberty. The symptoms are so subtle, you can barely notice it. A common cause of a random misfire is a fuel delivery problem. 000 Miles How To Fix Or Repair A Misfire Engine? In this video we take a look at a Jeep Liberty 3. 2008 or not at Mar 23, 2017 · I have a "never there when you need it" problem - "never there" because it never shows when my mechanic has the jeep - 2012 Liberty - usually idles at 550 or so, on warm engine when sitting for a while idle sometimes but not always climbs to ~800 and it idles rough . An engine misfire is a common problem that can greatly affect the drivability of your Jeep. At first I was getting no symptoms except a check engine light. HELP! 2008 jeep liberty. If too much fuel is injected, the mixture will not burn well and cause a misfire code. If the opposite bank now has a misfire, then the new keepers have allowed a non-rotating valve with uneven wear to rotate and induce a misfire. The code was a p0300. Once it warms up it will not idle, can keep it Jun 17, 2023 · P0300 is a random misfire and p0304 is cylinder #4 misfire. For the past couple years, I've had this problem after towing or crawling through some difficult terrain (2010 jeep liberty, 185,000km). 7 with 160k miles. Pulled over. If there is a large exhaust manifold leak for example, it could draw oxygen rich air into the exhaust gasses, which the PCM sees as a lean situation. There was a code set for injector #1 as well amongst other miscellaneous DTC's like low turbo boost pressure and some electronic malfunction (lost the paper with all the codes and can't rescan at this point). For more, check out Jeep Liberty bad fuel injector symptoms. The code read random misfires Jun 17, 2023 · P0300 is a random misfire and p0304 is cylinder #4 misfire. We changed the sparkplug, the coil for cylinder 6, with no change to the code. It would always start after 5-10 minutes but its always disconcerting when you're out in the bush. They needed further permission to dig deeper because the they need to do a Aug 30, 2024 · Hello everyone, Ive been trying to diagnose this issue for quite some time now and I am stumped. You could try that first and see what happens. You could get the eng 2012 Jeep Liberty Common Problems, Issues, Recalls, and Reliability. You don't need new ones. Misfiring Engine. The more noticeable problem is that when Jan 21, 2012 · I use this on Lexus direct injection cars with dirty valves/misfire with success. Mar 2, 2016 · 2003 Liberty P0300, the dreaded multiple misfires (with a twist!) Ok gang, I got a weird one on a 2003 Jeep Liberty 3. Here are some common misfire causes. Jun 26, 2014 · I own a 2003 Liberty sport with the 3. Jan 18, 2024 · Keep everything in perspective as you move forward. 3K views 11 replies 2 participants last post by bigdawg822 Dec 22, 2012 Oct 6, 2020 · Hello all, I’m new to the forum. She took it a dealer where she was told "needs valve job, will cost around $5000". They needed further permission to dig deeper because the they need to do a compression check. Before replacing the valves I would try GM top engine cleaner. May 10, 2013 · So all-new coils and plugs, and after a couple of days I had pending codes for random misfire and cylinder 1 misfire which turned into hard codes within a week. Jan 14, 2008 · No-problem, it happens. 5% at idle. I have a 2004 Liberty with the 3. 7 says fuel pressure should be 59 psi (within 5 psi at least) . Random misfire and bank 2 upstream O2 sensor high voltage. At idle there is a very slit miss once in a while. if you wait for a little while she will start like there is no problem. me/elvrolet Mar 7, 2003 · Customer: Jeep liberty 2003 3. The Jeep will also start to shake and chug like it wants to stall. Misfire in cylinder 5 as well The most common problem is faulty spark plugs. 7 motors are known for dropping valves from what I have read. A cylinder on the opposite bank very very rarely may exhibit a misfire at idle. Mar 31, 2013 · My diesel Liberty (straight 4 cylinder) has a misfire on cylinder #1. Dave Dec 28, 2021 · One of the most noticeable problems with the Jeep liberty diesel engine is engine misfire. I did notice when changing the plugs that the plug in cylinder three was worn more than the others. No plug wires (3. Engine timing Jan 17, 2025 · Currently has a misfire on cylinder 3 and I cannot figure it out for the life of me. At first I thought it could be spark plugs and/or ignition coils Jun 14, 2012 · 02 3. If you have P0300 and a cylinder-specific misfire, Jan 21, 2012 · I have seen this odd misfire problem on more than one Liberty before. it involves misfires at idle and calls for replacing the intake valves! this is most definetly the reason it was traded in. Check engine light is on and sometimes flashes. There may be no noticeable symptoms at all. My sister has a 2006 Jeep Liberty with a 3. The code read random misfires Feb 24, 2016 · I have a 2007 Jeep liberty 3. A misfire is the most common reason your Jeep Liberty jerks while accelerating. $1000 later (of which $600 was the labor), all is well again. 7 no codes and most of time get misfire at some cyoinder of bank 2 most of time cylinder 6 , i remove head because it had water in the cylinder ( no outside likencommon water deposit problem ) but customer complain that it have same misfire problem since other mechanic change timing kit but sometimes work perfect , i already switch everything from bank1 to bank2 2002 Jeep Liberty Misfire Engine. It idles rough but runs fine at higher RPM. After a couple days of driving it I have a good feel for the symptoms. I am afraid my wife will drive it and not restart it and fry the convertor or the 2. Once you turn it off and start it back up again it is fine. 040, no change. They pulled the plugs and they looked fine. After the engine completely warms up, the misfires completely stop and usually don't come back on my way home from work unless I'm leaving work in the before mentioned conditions. and a few days later Mar 15, 2010 · P0300 is "random misfire". 7 MISFIRE 3 AND 6 CYLINDER AT 2500 RPM. She had it put on a computer for testing and got an error code P0300. For this, you will find engine knock, excessive vibration, and rough idling when shifting gears. The long term fuel trim for bank 1 shows 5. Sep 7, 2019 · It can be very jarring when your Jeep Liberty shakes when idle. Compression checks are good. I took my jeep to a friend of mine whom told me it had a code for a cylinder 6 misfire as well as a random cylinder misfire. Jan 20, 2024 · Besides them, there are so many other problems that owners reported repeatedly. Problem started at 50-60mph, Jeep jittered and had a loss of power, TCS light came on, then CEL light started blinking. 7 Liter) from a jeep dealership in 2009. Just some thoughts. Misfire check showed heavy misfires in cylinders 1-3-5. *Ch liberty crd: 2005 jeep liberty 2. 7L V6) has been acting up the last few months. Repeat Step #1 through Step #5 of the Diagnosis monitoring all cylinders for misfire after the repair work is completed. com Video on diagnosing a 2003 jeep liberty sport that runs very rough and has a se Sep 6, 2008 · I keep getting a cylinder three misfire P0303 on my 05 liberty 3. With the following parts changed, I still had this problem come back (except I have P0306 #6 Cylinder Misfire). CEL on, multiple cylinder misfire code (P0300) only, no stuttering, no loss of power, no detonation, no unusual engine noise. I purchased a 2007 Jeep Liberty (3. I replaced the the three coils Standard Blue Dec 11, 2012 · 2007 Liberty Misfire Issue Jump to Latest 3. May 30, 2011 · My Problem Solved Misfire on Jeep 2003 I have a Jeep Liberty 2003 and was having the same issues. to/3z1PdxaFlexible Backprobe Customer: I have a 2003 Jeep Liberty with a Multiple Cylinder Misfire Code. I've been lazy and haven't changed the spark plugs which were due to be replaced for the first time at 32,000 miles. 7 with 138k miles just started running real rough and kicks a #2 cylinder misfire code ( has had engine "emissions" light on for months ) At idle, its rough, almost like its going to quit. She paid $3 Oct 29, 2013 · I've been following a lot of the threads regarding the liberty "hot start" issue. Nov 1, 2019 · Here are the most common issues that cause your Liberty to jerk when accelerating: 1. u003cbru003eu003cbru003eYou must identify which problems your Jeep Liberty model is most prone to developing so you can either take preventive measures or be more aware in case Oct 4, 2018 · Jeep Liberty P0303 Symptoms. 7, and I’m getting the P0305 misfire code. Changed spark plugs myself, worked for about 3 weeks. I bought a scanner that reads live data, and the bank 1 fuel trims seem pretty off. My libby wont rev past 3,000 rpms and when i do it cuts power. I thought the problems were confined to Feb 1, 2024 · This 2010 Jeep Liberty has a significant random misfire, so let's fix it!We'll go through the full diagnosing process and get to the bottom of this quick. Jun 7, 2022 · Engine misfire is a common problem for both generations of the Liberty. 7. This time I was thinking that when the spring thing happened, the valve may have gotten deposits on it and now got wedged open enough that I couldn't get any compression Feb 8, 2010 · I'm following the same porblem now. Dec 30, 2013 · I know this is a Jeep Liberty forum, but my 2005 Dodge Dakota has the same engine, so I thought y'all might be able to help me. Mechanical Issues. If it was one particular injector, it would be more apt to code for a misfire specifically on that cylinder. Spark Plugs – Even under the best conditions, spark plugs will eventually need to be replaced. My 2005 Dodge Dakota (3. We've lined out some of the most common causes below. About 5 Months ago the check engine light went on. Apr 27, 2017 · 2011 Jeep Grand Cherokee Pentastar V6 with about 85,000 miles. 7L(38,000mi. sorry to hear the outcome to your problem. Sometimes it don't do it at all just runs rough. Had scan tool hooked up to it and throwing P0300 Multiple Cylinder Misfire, P0304 Cylinder 4 Misfire, and P0305 Cylinder 5 Misfire. let it sit long enough the MIL light goes on . The bad injector would be a likely cause of the rich/lean condition too. Vehicles with over 100,000 miles on the odometer had blown engines in need of replacement. This code indicates that your vehicle's engine is misfiring and can be a drivability threat. 7L, and it started throwing misfire codes after intermittently running rough and shaking. Harbor freight sells a $20 fuel pressure gauge. You might have to put another plug in #4 if it got all fouled because of the misfire. A few things can cause an engine to misfire. Donate to Channel: https://paypal. Your Liberty may produce excess vibration, especially at lower RPM. Replaced plugs with NGKs at 0. At aprox 2900 rpm, engine starts Jun 8, 2017 · It could be a too lean misfire, or a too rich misfire. 03 JEEP LIBERTY W/3. The car starts with an loud metal bang noise and then it sounds like kind of a rattle. 2002 Jeep Liberty Misfire Engine. It will increase the fuel injector pulse. Has anyone have a similar issue? Aug 26, 2024 · We are struggling with our 2003Jeep Liberty 3. You may smell raw gas coming from the Nov 4, 2016 · Along my 15 mile highway commute to work, it will usually misfire only a handful of times, bogging down between 2-10 seconds, and then boom, takeing off on all cylinders. It has P0300 code which is random misfire. I was starting to think about possible wiring problems (or worse) when I watched Scotty Kilmer's YouTube video about fixing misfire codes. More often than not, it’s going to be the spark plugs or coil packs that are the culprit. So to cut a very long story short, I had a blown HG, had it repaired, but now it has a misfire at idle only (4 to 5 cylinders), but drives out of it at about 1k-1. CEL light remained on. Mar 15, 2011 · My liberty misfires # 6 cyl and CEL blinks, car runs real rough, If I turn Jeep off and then back on it runs fine. Jan 27, 2010 · (manual tran). That is what causes the shaking when you go over 10-15mph. Make sure the coil pak wireing connector is securely snapped in place. Apr 7, 2009 · So a 2003 liberty, 3. A few nights ago while driving to work, the car started shaking as I was hitting the accelerator and the check engine light came on. May 10, 2014 · The reason I say fuel pressure is you had a problem when going up hill, could be pump or fuel filter. Having issues with my 2004 Liberty. Once it warms up it will not idle, can keep it Apr 7, 2009 · So a 2003 liberty, 3. ). From the research I have done online it sounds like this is a common Jeep problem. It's done it randomly for the last 2 months or so. I have replaced all spark plugs, all coil packs, PCV valve, and the crank sensor. May 4, 2009 · what is the misfire count at idle (on the drb 3)? if the missfire count is anywhere near 10 per minute tell them to quit sand bagging you!!!! and have them enact the tsb below to cure your problem! this tsb (TSB 09-007-06) is a known problem on o5-06 3. There certainly are other possibilities but with a "random misfire" code, a common cause like lean fuel draw needs to be ruled out early in the game. Problem happens sometimes 2 times per day and then not again for a week or so. Ran some codes, saw multiple misfires and vacuum leak, so I went through the process of replacing the spark plugs, coil packs, using fuel cleaner, getting the injectors, current, and compression checked, all to no improvement. The most commonly reported Jeep Liberty problem is: An engine misfire at idle (rough idle), accompanied by Dec 11, 2016 · 06 Liberty Sport, 3. Very anemic on acceleration, like one or more cylnders not firing. Generally, it happens due to the intake valve. Dec 12, 2017 · For MORE great Auto Repair Videos, visit us at www. May 5, 2014 · My 2011 Jeep Liberty has about 43,000 miles on it. Apr 4, 2016 · All, OK, a little concerned about 2002 Jeep Liberty. It's throwing a P0302 #2 cylinder misfire and occasionally a P0300 multiple cylinder misfire. ) started to pop the same codes again as Dec 11, 2012 · The 3. When you have a misfire it shuts off the injector so fuel doesn't go through. 8 crd multiple cylinder misfire. 7 V6. We were getting cylinder 4 misfires so I replaced all plugs and coils yesterday. Sep 26, 2019 · A misfire is the most common reason your Jeep Liberty isn’t accelerating. Just move them to new cylinders. Oct 5, 2019 · 2007 3. Aug 19, 2017 · I have a 2003 jeep liberty 3. Apr 15, 2018 · It's a 2004 Jeep Liberty with 3. I had done some troubleshooting and moving the coil did not change the misfire but changing the plug appeared to initially eliminate the misfire and since I Apr 21, 2010 · The P0300 is random misfire,the P0306 is cylinder #6 misfire,the P0513 is for the sentry key,P2305 is coil B(#2) secondary circuit,and P2317 is coil F(#6) secondary circuit. Start checking wires,voltages,and resistances in the coil wires,coils,and spark plugs. Then replaced all coils with new Mar 10, 2012 · Ok with my Jeep, it only happens once in a while. So I'm having an issue or maybe 2. Mar 7, 2010 · Liberty. Progressivly replaced; Plugs, Coil pack (swapped also), Fuel Injector, and computer (PCM). I have replaced the spark plugs already. Sep 17, 2018 · Dropped the Jeep off at the dealer today for p0305 (cylinder 5 misfire). Your Jeep Liberty’s engine needs to be mechanically sound. Dec 4, 2009 · (I take it you have a P0304 misfire code and no others) Then if the misfire moves to #1 the coil pak is bad. It came back in October with a upstream passenger side o2 code as well All 4. 7 that was purchased from an auction and then towed into the shop from a local dealer. 7 and it started knocking. 044 and then to 0. Jeep Liberty vehicles have 30 reported problems. Table of Contents Diagnosis Causes Shakes Sep 8, 2016 · Okay so basically when I go to Wal-Mart or any store the jeep now runs great and smooth (replaced crankshaft sensor) But if when I leave the store and ready to go home the truck shakes really bad (not as bad recently) and it shakes the most in highway driving in 4th gear around 1500 rpms that's Has anyway dealt with this? According to my mechanic it’s a common problem. May 8, 2014 · i have had a cylinder 5 misfire code the last 3 times my cel has come on. 5% and bank 2 (the side with the misfire) is at 10. After all this work was done, ($3,000 worth) car ran fine for 3 weeks. I can hear it missing and when i hooked it up to the computer it came back with misfire on cyl 2 also said 3 and 4 were detected. The Jeep has a lot of miles and engine may be considered near end of life. I have no history on the vehicle except that it sat on my SOs driveway for almost 5 years undriven (her father purchased for her but being nyc she had Dec 11, 2012 · 2007 Liberty Misfire Issue Jump to Latest 3. Then a couple weeks ago, it started idling rough. I inhereted a used liberty that had about 100k miles. I have a 2010 Jeep Liberty with 85,000 miles. 3. 7L w/ around 190k Cyl 5 misfire started a couple months ago, was intermittent and not as noticeable, popped random multi misfire code, along with cyl 5 misfire code. I have a hot start problem at the moment with a p0303 cylinder 3 misfire code, my fuel pressure is good, replaced both cam and crank sensors and she is still starting then immediately stalling when hot. They pulled the coil pack (sorry if this is wrong name, I'm not technical) and they said it tested good. Fuel mileage may suffer. Would go away after restart and never present itself again for weeks if not months. We would have to pull over, turn the car off, restart the car and it seemed fine until we again gave it too much gas going uphill again. If your Liberty has this problem, many issues can cause it. 7 V6 4WD. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). I parked, went into work. Feb 24, 2016 · I have a 2007 Jeep liberty 3. sprinkles08 | Chrysler/Dodge/Jeep Master Certified, ASE Master and Advanced Certified, Trans and Hybrid Specialist 15,236 Satisfied Customers Mar 4, 2024 · Jeep Liberty is commonly known to suffer from fluid leaks and misfires due to faulty intake valves, engine problems, transmission problems, and faulty window regulators. All maintenance done last year. 7L 89,000 miles. . Once it warms up it will not idle, can keep it Feb 10, 2010 · The misfire seems to be occuring primarily at idle when everything is up to temp and in closed loop mode but can sometimes be felt at low speed, low rpm with light throttle. Aug 29, 2019 · A thorough cleaning of the fuel injectors will usually restore proper fuel pressure and get your Liberty idling smoothly again. 7L's. There is a serious lack of power due to the misfire I'm Sep 13, 2015 · I finally found the issue and fixed it today. hoping I could get some help with the issues plaguing my liberty. The more noticeable problem is that when Jan 17, 2025 · Currently has a misfire on cylinder 3 and I cannot figure it out for the life of me. Gave code P0300 and IIRC PO152. 000 Miles How To Fix Or Repair A Misfire Engine? Oct 1, 2018 · P0300 is a generic OBDII code that can occur with the Jeep Liberty. **Want to own the tools I use ?? Click on the amazon link below to get my top 5 Tools I use**Automotive Test Light- https://amzn. The ODB2 is reading code P0306, which is misfire in cylinder 6. So for the #4 misfire I would change out the injector and see if the p0300 followed. Simply put, an engine misfire is a condition where the air-fuel mixture in a given cylinder fails to ignite at the correct time, or in some cases, does not ignite at all. Here are the most common symptoms of P0303 in the Jeep Liberty. Engine Performance Problem 2002 Jeep Liberty 6 Cyl Four Wheel Drive Automatic 97. And a P0456 very small EVAP leak. I have changed the plugs and # 6 coil, '02 Liberty 3. It's only thrown a code once, that never came back after clearing. Whether hot or cold starting, jump in the Jeep to start it up, it'll turn over and start but stall out immediately. OnlineAutoRepairVideos. 9% I have not yet performed a compression test or a fuel pressure test. Two days ago the car misfired 3 times in a row (I thought it was the battery being dead, but I've never had any battery issues, and the lights did turn on fully) and then started May 13, 2013 · Hello ALL my name is Anthony. (replaced coil and plug, problem nearly went away for a little bit and came back. initially you could have done this with the plugs and coils but now do it with the injector. STFT at idle is around -6% and LTFT bank 1 is around -10. Sometimes it'll take two or three attempts before it'll stay running. There is a problem with the intake valves sealing and there is a bulletin to repair it. Check engine light; Your vehicle may run rough, be down on power, and stall. Jan 24, 2017 · 178k. Coils plugs sensors fluids etc Earlier in summer I would get a random cylinder 6 misfire. Things were bad for the 2002 Jeep Liberty, which had problems that caused total engine failure. 7 Most Common 2004 Jeep Liberty Problems Dec 2, 2015 · This article applies to the JK Jeep Wrangler (2007-Present). Got a Problem with your 2012 Jeep Liberty? Our list of 9 known problems, issues, recalls, and complaints reported by owners can help you fix your 2012 Jeep Liberty. It starts to misfire while going up hills on the highway (usually around 60mph or higher but has misfired just giving it too much gas going uphill at lower speeds). Major mechanical problems can result in a rough idle. The most common reasons a vehicle shakes when idling is a misfire or bad motor mount. 7 with a very slight misfire. About two weeks ago, I had the same thing, cyl-3 misfire (OBD codes P030 and P0353). After days of diagnosing everything I could think of, I finally found the problem. The fuel pump bleeding down after shut down is a posibility but usually causes a misfire on the front cylinders for about 15 seconds. Misfire on #6 and check engine light coming on. kcps kyubm fygbb ajxaj lpn swcjj shqgxv pnb ftnv bom pohqww lrguc gwpu hjp gkpuub