Question about 2008 Jeep Wrangler
I just purchased a 2008 Jeep Sahara Unlimited 6 weeks ago. Within 2 weeks the Jeep started idling low when at a stop, chugging. A day later it stalled at a traffic light. 2 days later the check engine light came on. I took it back to the dealership. They said the computer chip that regulates the gas/oxygen mix was defective and replaced it. 2 weeks later, same problem. I dropped my car off at the dealership for another repair. Don't know what is wrong with it. Should I bail on this car now and get a new one under the lemon law or is this no big deal?
You must get the system scanned for fault codes, sounds like the electronic throttle control has a failure.
Posted on May 01, 2017
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Posted on Jan 02, 2017
A lot of Rain=Possible Water in the Gas=Erratic Running!
This sounds like it may be as simple as cleaning the water or gunk out of the gas tank which is what I always do 1st because it's easy and inexpensive.
If your fuel is contaminated with gunk, grime, WATER and/or bottom junk like rust this will cause stalling AND ROUGH ACCELERATION!
Try spraying a can of starter fluid in the air intake and see if it runs! If it does, it's most likely bad fuel or clogged injectors so....
Fill the tank with High Test, Add some DRYGAS and a good fuel system cleaner or 2 or 3 and this should dissolve all the gunk and clean the injectors! Read & follow the cans' instruction carefully.
If this cures the problem never let your gas tank get below 1/4 and especially never run it to empty as this is when the gunk and/or water will enter the system!
Hope this helps!
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Posted on Feb 11, 2009
There are several possibilites.
When it dies does the Engine Light come-on and stay-on? If so there are codes which are present that can isolate/point you to a more specific problem.
Based soley on your description: I would first check your Spark Plugs, Wires, and Coil. When were they last replaced? If these are fine: When was the Fuel Filter replaced? Air Filter? Check the fuel pressure at the port located on the fuel rail in the engine compartment.
If those check out okay: I would check and/or replace the Idle Sensor and/or the Throttle Position Sensor.
Basic rules on bad idling:
1. Fuel - is there enough getting to the cylinders?
2. Spark - Is there consistent spark getting to all the cyclinders?
3. Air - Is there a air shortage = clogged air filter?
Let me know if this helped, or if you have additinal information or questions. Feel free to contact me a FixYa.com!
Posted on Jan 06, 2010
Code 12 = Recently disconnected battery
Code 14 = Coolant sensor high resistance or shorted
Code 43 = Knock sensor or Electronic spark control circuit fault
Code 55 End read code.
Hope helps (remember rated this).
Posted on Jun 12, 2010
Tips for a great answer:
Jan 03, 2014 | 2000 Chevrolet Cavalier
It can be issue
with IAC( idle air control valve) causing the problem.
are many other possibilities causing these idle issues. Engine idles rough.
are few help links with solutions to troubleshoot such idle issues.
suggest you refer the link below and follow
its troubleshooting details:------
the link below:-----
Cold start problem and vehicle shudder around 2500 to
details will help.
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