idle
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Almost stalling at idle, 2x random misfire codes + rich exhaust bank 1. Need direction.
2007 3.7 limited. i’ve replaced all 4 O2S, and replaced the three driver side ignition coils. i’ve removed and cleaned all spark plugs, and gently cleaned the MAP sensor with appropriate spray. this problem is almost unnoticeable until about 70-80kmh, when my revs will die down to about...- Crunchbite
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- idle misfires
- Replies: 5
- Forum: KJ General Discussion
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Starts then immediately dies
Hello! I have 2004 Liberty with the 3.7 and automatic transmission and about 83k miles. I have been experiencing what seems to be a fairly common issue with an uncommon solution. A couple years ago when cold starting, it would turn over and start fine then immediately die. Pressing on the...- Ravthree
- Thread
- battery idle mechanical issue starting issue
- Replies: 6
- Forum: KJ General Discussion
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New Jeep Owner...seeking help with RPM issues
Good afternoon! I recently bought a used 2008 Jeep Liberty 4WD and live in St. Thomas USVI. The islands are not very kind to vehicles and I am not a car person. I've been to both mechanic shops as well as a 'mobile' backyard mechanic to try and help me with some of these issues..my check engine...- ashelby
- Thread
- 2008 idle rpm st. thomas transmission transmission oil temperature
- Replies: 5
- Forum: KK General Discussion
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Rough Idle/Bright Red Exhaust
We purchased this new in '02 and never had any issues with the motor at all. Filled the tank during our last big snow storm in Central Indiana, drove it home (10 miles) and parked it. It sat for 10 days outside before starting it again. It was hesitant to start and idled rough when it did. I...- windmill*hill
- Thread
- exhaust hot idle rough
- Replies: 7
- Forum: KJ General Discussion
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2004 KJ 3.7, Fuse or relay for O2 sensor heating elements
Ran across a post that showed a fuse in the O2 heater circuit. Wanted to pull that fuse on my jeep to check my idle without the electrically heated elements on, running in open loop. Went to pull that fuse and found that my jeep is not like the one that shows that fuse. Anyone know where...- Ed McMeans
- Thread
- fuse idle o2 sensor relay
- Replies: 3
- Forum: KJ General Discussion
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High RPMs before and after IAC has been replaced.
I have a 2002 Jeep Liberty 3.7L with a high idle, I have replaced the IAC. 2 to be exact, got a cheap one from Rock Auto didn't fix the issue. Decided to try a IAC unit from Autozone thinking of better quality. Still have an high idle. At idle the rpms are around 1500 to 1700. I have tried to...- Jamal Jones
- Thread
- help iac idle
- Replies: 3
- Forum: KJ General Discussion
