Question about 1994 Jeep Cherokee Country

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My 1994 Jeep Cherokee Country's engine cuts out while driving between 35 and 45 mph. The gas cap, fuel filter, and fuel line hose has been replaced. What could be causing this?

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Only good hands on testing will give you a valid answer to that question. I'd pay special attention to fuel pump pressure (measured at the rail), cam, crank and throttle position sensors (and possibly map sensor).
Those are the items that are most likely to cause a shut-down...Others will make it run poorly.
Many of the larger parts outlets do code testing free. Have that done and see what comes up. At this point a code for O2 sensor should be ignored as that can often trigger when another more important one is out of range.
As I said, without testing I'm only making an educated guess, but I hope something here helps you.
Good luck!

Posted on Feb 08, 2010

Testimonial: "Thank you so much! We tried to get it to an outlet code tester and they can't do it without an engine light being on, which it isn't. Good info!"

  • Richard Scordino Feb 10, 2010

    OK, you need to test the fuel pump when the car stalls. Can you hear it running when the key is on? Get a hanynes manual and use the test procedures in there to check everything else...their wiring diagrams are terrible so use this one...wrong year but they are nearly identical. also do a wiggle test on the harnesses to make sure something isn't just not well connected.

  • highmile94 Dec 17, 2010

    well i had the exact same problem, the jeep would start but once it got warmed up it would stall like it wasn't getting gas, every sensor and pump was working fine, the problem was the computer, it wasn't sending signals to the engine, the location of the computer is right behind the drivers side head lamp bolted to the side of the engine bay, i looked online for rebuilt one and found one on the computer exchanges web site, DO NOT BUY A RANDOM COMPUTER the computer needs to be programed with your jeeps VIN. milage and engine type, mine was about $250 bucks pluged it in and was good to go been driving it with no problems since. hope this helps, it did for me



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