Having problems with your 1999 GMC Jimmy ?

Rough Idling and slow accelaration

\015 I have a 99 Jimmy that idles very roughly when starting out and won't accelerate until the engine has had about 30 seconds of running. Even then the engine still stutters when climbing hills and absolutely no acceleration when trying to pass someone. I have replace spark plugs, wires, and fuel filter. Any suggestions as to what to try next??\015 Posted / edited by AnonymousUser on : 26-06-2017

Answers :

Maybe have your exhaust checked for plugged catalytic converter
Have you the intake off? if so check for trash in the fuel ejectors. I had the same problem, I just replace the fuel meter body with one from the junk yard
Repair Help & Product Troubleshooting for 1999 GMC Jimmy

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