...rough idle but fine going down the road i am having a similiar problem i have 1989 fullsize GMC Jimmy it runs fine sometimes and then it will start idling rough. well i was going down the road the ...
...ROUGH AND SOMETIMES HIGH AND LOW WANT GO ON ROAD UNLESS YOU PUSH GAS ALL THE WAY DOWN AND SOMETIMES STALLS OUT, NO CHECK ENGINE LIGHT ON. SOMETIMES IDLE PRETTY GOOD FOR SEVERAL MINUTES AND THEN THE ...
...rough for alittle while and sometimes has a high idle. You should have your fuel pressure checked the problem is one of two things It is either your fuel pump or your fuel pressure regulator. It goes ...
...ROUGH AND SOMETIMES HIGH AND LOW WILL NOT GO ON HIGHWAY FEELS LIKE GETTING NO GAS SOMETIMES, STALLS OUT.THERES NO CHECK ENGINE LIGHT ON. 1991 GMC JIMMY 4.3 ENGINE cHECK THE FUEL PRESSURE AT THE RAIL. ...
...rough idle. Higher rpms flatten out roughness but take off feels off. Any help?? spray carb/choke cleaner all around intake gasket mating surface on heads. (while motor is running) If rpms change you ...
...sometimes stalling. Check Engine Light is on. I changed the fuel filter, check engine light went off, and the truck ran good for about 4 miles, then the light came back on, and all of the same ...
...gas gauge moves when im driving. It sounds like it has a bad exaust leak but I cant see any carbon. I just dont know why it sputers or sometimes has rough idle. Plugs, wires, fuel filter, vacuum ...
rough when you idle at a stop light. I replaced the injector spider, throttle positioning sensor, and EGR valve. The fuel pump is a Delco and it's about 2 years old. maybe bad ignition module or coil.
...idle rough again. does this 2 or 3 times, then is ok. need idea on problem Its a 4.3 my first though would be if your not getting codes it throttle pisition sensor although it could be idle air ...
Question about GMC Jimmy
...rough idle condition. Take some carb cleaner and spray it around the retaining ring on the top of the spider and see if there is a change in the engine RPM or rough idle condition. If either happens ...
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