Question about 1991 Jeep Wrangler

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1991 Jeep Wrangler. It will run great for a few days than stall and die. If you let is sit for a day it will again run fine for a few days. Complete tune up has been done includng plugs and wires as well as distrib cap and rotar button and oil change with filter to oil and gas changed. Gas pump workng fine.

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  • Jeep Master
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Hi there.
not sure if this link will help you out but have a look.
1991 Jeep Wrangler stall and die Google Search

Posted on Nov 06, 2017

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 38 Answers

SOURCE: Jeep Wrangler Gas Consumption and Loss Of Power

If its using a lot more fuel than usual its almost garaunteed an 02 Sensor. Those are located on the Exhaust Manifold's, are about the size of your thumb, and generally have 2, or 3 wires coming from them. If you can, check them for operation before you replace them as sometimes they're kindof expensive.

Posted on May 16, 2008

  • 18 Answers

SOURCE: hesitation, stalling like out of gas

Clogged Catalytic Converter. What happens is as you push down harder on the accelerator you force more gas into the system causing a slightly richer mixture and more exhaust flow is neccessary. The easiest way to look for a clogged cat is when it's dark out take it for a ride causing it perform it's problem look under the vehicle if the cat is literally glowing red hot you either have a clogged cat or an extremely rich fuel mixture.

Posted on Nov 20, 2008

  • 1 Answer

SOURCE: Jeep GCL Backfires Stalls

Aaron, I had the same problem. It is the most expensive part of course the computer. I replaced everything as well till I replaced it. They are remanufactured and have had problems with them as well. I am on my third one now at 200k miles. Oh and by the way it does not show up on the diagnostic check. Good luck

Frank

Posted on Dec 01, 2008

  • 1 Answer

SOURCE: 1995 Jeep Wrangler 2.5 4cyl spits and sputters while driving

have you considered checking alternator and battery? just a thought

Posted on Apr 01, 2009

  • 169 Answers

SOURCE: 91 Jeep wrangler New everything idles rough, no Power then dies

you check for miss how is compression

Posted on Aug 29, 2009

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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

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