Question about 1992 Jeep Wrangler
I have a 1994 Jeep Grand Cherokee. As I am driving it just shuts off but then starts right back up. When going at a faster speed it kinda jumps. Like it dies but then starts back up automatically. Sometimes when it is idleing it will just shut of as well. Also when I am going up a hill as I gas it, it just seems to lose power. If it is on cruise control and I am coming up to a hill the Jeep itself will just downshift and it basically sounds like it is flooring itself to make it up the hill. Also when you get on it from a stop it still just lacks a lot of power. Other than that the Jeep runs great. I changed the "tps" to see if it would help with the lack of power and it did but not much. I just don't know what it could be. My guess is a mixture of fuel pump and "cps". If any one has any idea please let me know. Thanks soo much for your time.
In a perfect world, computers and related systems are a great addition to the automotive industry...But, You would not dream of using your PC in the backyard, in the rain, snow and searing heat. Yet the system in your car is asked to do that daily. (would be nice if a little button like on a chicken would pop out of a failed component to tell you it's not well.....Your guesses are valid, but before you go out and buy parts, have a code scan done and see what's there. Codes give you a direction to begin looking, they don't get really specific, but when added to what you already see and know can be very helpful. Fuel pump problems don't show codes though so you may need to do a pressure test. CPS will sometimes throw a code, but they can also cause strange problems without doing that. The largest problem I see right now is that it starts right back up, giving you no time to do testing. The random on/off thing suggests the possibility of a bad connection either at the computer or ignition switch. You can try wiggling the harness a bit and see if you can get it to stall.
It would not surprise me if it took a while to find this problem as this is the type of thing that drives even good shops crazy.
Posted on Jun 18, 2009
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Posted on Jan 02, 2017
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