Question about 1991 Jeep Wrangler

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1991 jeep wrangler trouble starting and stalling

1991 jeep wrangler has trouble starting and then also has a tendency to stall while idling. The lights and radio still work fine, and I believe it to be a v6.

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Brad Bancroft

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It could be a fuel filter clogged up or it could be a fuel pump going bad. Does the jeep start back up after it stalls? Is there any more symptoms?

Posted on Jan 30, 2010

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1 Answer

1991 Wrangler 2.5 L idle problem. In N, vehicle


sounds like you have a major vacuum leak. Plug the throttle body completly with you hand. If the car does not stall out there is you idle problem. Take carb cleaner spray vacuum like throttle body gasket intake gasket etc. Hope this helps please rate me.

Jul 09, 2009 | 1991 Jeep Wrangler

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Yes, but my problem came in a 1995 wrangler 4.0 liter. It is the camshaft sensor unit. Mine was in the distributor assembly. Get one I can almost garauntee that is what it is. I cannot however garauntee my spelling! Hope this helps!

Jun 01, 2009 | 1991 Jeep Cherokee Briarwood

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1991 jeep wrangler, 2.5, manual. hesitates, and occasionaly misfi


So, when the engine is hot, it won't work. Do you have any idea what the ambient temperature is?
The causes might be 1) vapor lock; 2) percolation; or 3) PCV malfunctioning. This is all explained in a brief diagnostic article at
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Vehicle_Car_Zone_Cars_Trucks_Vans_Engine_System_Engine_Stalls_When_Hot.htm

May 25, 2009 | 1991 Jeep Wrangler

1 Answer

My car stalls


Check fuel filter . You have a mechanical pump & a carburetor on that model dont you?...Check fuel pressure (should be around 6-7 lbs) and check coil immediately after it shuts down...sometimes coils will act like that just before they go bad..

Mar 14, 2009 | 1991 Jeep Wrangler

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Feb 18, 2009 | 1988 Jeep Wrangler

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94 Jeep Wrangler intermittently stalls when put in reverse, drive


check idling... you need to adjust this cause this is almost always the cause of stalling.

Nov 27, 2008 | 1994 Jeep Wrangler

1 Answer

No power to dash or dome light in 2003 jeep tj.


As far as the guage issue it is most likely a problem with the body control module, have a trouble code test run on the BCM to determine the issue, the stalling is caused by the loss of the idle strategy learning when the battery went dead, the best thing to do is the following procedure I use to clear this issue.

Here is the most common cause of surges and stalls (or very low idle) near or at idle, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Nov 20, 2008 | 2003 Jeep Wrangler

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