Jeep Cherokee:

trying to fix problem

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# 1  8/17/2010 3:54 PM

New member
Registered: 8/17/2010
Posts: 1

trying to fix problem

I have a 1994 Jeep Cherokee I have changed the plugs wires cap rotor and fuel filter truck is still backfiring and throws up a check engine light. Also I would like to know if there is a way to cheat the on board computer like in a GM.

Last edited by snaggle262000 (8/17/2010 3:57 PM)



# 2  8/17/2010 5:53 PM

Registered: 11/24/2009
Posts: 1305

Re: trying to fix problem

What size engine is in the Jeep?

How many miles on the Jeep?

What trouble code is putting the check engine light on?

The first thing to do is to scan the computer for any trouble codes.

The backfire could be sensor related.

Fix all trouble codes that come up before continuing with the diagnoses.

Also look into the timing belt and or timing chain. If the belt or chain slips a tooth it could cause a rough running engine and/or backfire.

The more information you supply us the better we can help.

Get back to us when you can and let us know how you make out.

They sell performance proms or chips. Your local performance shop can help you pick the right one for your Jeep. You first need to fix the backfire first.
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