Question about 1995 GMC Jimmy

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I have a 1995 GMC Jimmy,rough idle, carbon smell, strong gas smell coming from the left driver side, check engine light is on. Has a hard time turning on...Any suggestions?

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My 94 Jimmy had similar problems, until the dirty EGR valve was replaced. We tried a million things, first. But the improvement with the new EGR valve has HUGE.

Posted on Nov 23, 2009

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On mine I usually pulled the old EGR and removed the carbon; it's a very common thing on the 4.3L V6 with TBI- chunks of carbon from a design flaw are the cause, but usually the EGR can be cleaned without completely replacing it...

Posted on Nov 27, 2009

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Check your injectors

Posted on Nov 19, 2009

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Sounds like the EGR valve is not working because of excess carbon build up.

Posted on Nov 17, 2009

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1 Answer

94 jimmy.. have replaced almost everything.. smells like gas inside..all gas lines replaced..was running alot better then couldn't get it started almost like it flooded..starter fine..replacedall fuel...


i have a 1994 gmc jimmy 4.3l cpi. i could not pass the emission test.hard to start, spuddered, and smell of gas was strong. long story short, i replaced my spider injectors, good to go. $278 brand new from auto zone.

Jul 31, 2011 | 1994 GMC Jimmy

1 Answer

Just bought 2000 jimmy with 108 miles i put on runs rough all of the sudden and barley idles, started to do this after accelerating quickly for less than 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 retest

Aug 10, 2010 | 2000 GMC Jimmy

1 Answer

95 gmc jimmy rough idle fuel in exhaust drives


Purchase new egr valve gasket with screen on it. The motor as it get older produces more carbon it then begins to break off and when the valve opens it get caught in there. i have cleaned mine several times and finally found the gasket at napa for around 22 bucks. All you need it 10mm wrech and 10mm socket with ext. takes around 10 min to do.

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2 Answers

1995 gmc jimmy 4x4 rough idle smell gas from tail pipe


To check EGR valve, plug the vacuum hose to it, and it should not get hot anymore. It if does, it is leaking.
But gas smell is usually bad plug wire or plug.
With good insulation, remove one sparkplug wire at a time, to see if one has no effect. That is the target.

Jul 25, 2009 | 1995 GMC Jimmy

1 Answer

My 95 jimmy sputters when taking off.


Plugs, wires, fuel filter, vacuum leaks

Jul 21, 2009 | 1995 GMC Jimmy

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2001 GMC Jimmy Idling rough


HI
P0300 is multiple misfires.
P0171 is lean burn on left bank 1 means drivers side
02 sensor is faulty. Your vehicle is over fuelling that is why your are getting P0300 code and the rotten egg smell. Good idea is to replace both 02 sensors.

Apr 04, 2009 | 2001 GMC Jimmy

1 Answer

Engine running rough, hard starting


Try cleaning the EGR, there common to carbon build up on the 95 JImmy's.

Mar 20, 2009 | 1995 GMC Jimmy

2 Answers

HARD TO START WHEN COLD AND WHEN IT DOES IDLES BAD AND STALLS.


Try replacing the ignition control module it is located under the distributor cap Cost is around $30.

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2 Answers

1995 gmc Jimmy


maybe bad ignition module or coil.. when they get hot sometimes they wanna die...

Sep 16, 2008 | 1995 GMC Jimmy

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