Questions & Answers for: GMC Jimmy rough start

...start I have a 2001 Jimmy that started running rough out of the blue. I thought maybe it had water in the gas tank and put some heet in it as well as some fuel injector cleaner. It still continued to ...

...rough after you start it.I't start good , judt runs rough after starting.I've been tolds it's the spider injector under the manifold.Any idea's as to why it idle's so rough? w/o much more info it ...

Ticking noise coming from engine, loss of power, runs very rough! Added a 1/4 inch spacer below the injectors for better gas milage. It ran great for 2 days then on the third day, loss power and ...

...start idling rough. well i was going down the road the other day and it starting jerking really bad like a miss fire then it just stopped and hasnt done it again. please help this is driving me nuts ...

...may have a clogged up egr valve. When the egr valve gets clogged up with carbon, the truck will run rough, surge stall, and be very anemic on power. Is the service engine soon(check engine) light on? ...

...1/3 mile engine rough at idle only? is the check engine lamp on? remove egr valve start engine to blow out carbon check egr to see if there is carbon holding the valve open clean valve reinstall ...

...Rough idle can be caused by carboned or burnt valves. Start the engine and let it warm up. Take a spray bottle with water, Rev the engine up and spray water into the carb do this 2 or 3 times this ...

...rough idle and or a miss at idle on cold start up . as the engine warms up the miss or rough idle will decrease . As for the lifter noise this could be cause by the lifter bleeding down or poor oil ...

runs very rough and idles at 950 rpm, is this fast? Just purchased and don't know the history. started right up but runs at a high rpm, and runs rough. Sounds like a vacuum hose leak. Look ...

...will then start right back up with rough idel , go and drive some thing??? when in park and ran at 1500 RPM smooth out runs good. i have seen many strange things happen with the distrib cabs on ...