1988 GMC Jimmy "rough running" Questions

Ad

Question about GMC Jimmy

1 Answer

Rough Idle on 1986 GMC Jimmy. Runs fun at speed and runs fine in park / neutral but idles rough at stop signs. Plugs are new, air filter is new, fuel filter is new. change your some sensors that can ...

Ad

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 ...

Ad

Question about GMC Jimmy

1 Answer

1995 Jimmy Rough Idle My Jimmy's idle is 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 ...

...truck, open hood, and tap on egr valve base( where it bolts to engine) if rough running clears up, there's your problem. Egr valve is located on front of engine just to the rt of alternator

...running rough i was told it was because it had a pluged cat. i had it by passed ran sea foam through the tank to de-carbonize the engine i also changed the plugs, cap, rotor, wires, mass air flow ...

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 ...

Question about GMC Jimmy

1 Answer

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 run rough and cut out. The check engine

1996 GMC jimmy rough idel and dieing when driving. 1996 GMC jimmy rough idel in park, put in gear and go drive, it will go about 1/2 mile and start to slow down in tell the thing just dies, it will ...

...running rough too. Any ideas as to what the problem might be? check for a thermostat that is stuck open and will not let the block warm up when running,if it can't warm up to operational ...

...running out of gas. It also has a rough idle. What could be causing this problem? The wire harness to the fuel pump sending unit may be going bad which is common to happen. The harness is around ...

Not finding what you are looking for?
Cars & Trucks Logo

90 questions posted

Ask a Question

Usually answered in minutes!

Popular Products

2000 GMC Jimmy
2000 GMC Jimmy

1,363 Questions

1997 GMC Jimmy
1997 GMC Jimmy

1,123 Questions

1998 GMC Jimmy
1998 GMC Jimmy

1,127 Questions

1999 GMC Jimmy
1999 GMC Jimmy

1,104 Questions

2001 GMC Jimmy
2001 GMC Jimmy

838 Questions

Top GMC Experts

ZJ Limited
ZJ Limited

Level 3 Expert

17989 Answers

john h

Level 3 Expert

29494 Answers

Thomas Perkins
Thomas Perkins

Level 3 Expert

15088 Answers

Are you a GMC Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...