Question about 1994 GMC Jimmy
It will run fine until the engine gets up to temperature then it will shut off when you let off the accelorator. You let it cool for 10 - 15 minuets and it will refire and run again until it gets hot then it shuts off.
Does it crank over when the engine is hot. If it does sounds like your maybe loosing fuel if so check fuel pressure if t is good check for spark could be a bad crank sensor or bad distributor.
Posted on Feb 17, 2013
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Posted on Jan 02, 2017
In side the left corner of the glove box is a cover....remove the cover and you will see 2 square relays...swap these one for the other and then try....these relays will fail..and when it does overheat it WIll shut the engine down.
Posted on Aug 30, 2009
SOURCE: AC is cold, then hot..
you need the tempature blend door motor. My 01 silverado had this issue about 1 1/2 years before i was tired of messing with it they are not hard to replace. The cover (if it is still on) for passenger side floor ducts needs to be removed and the motor is near the right side of "hump" (trans tunnel) mounted horisontial with the armature pointing upwards.
Posted on Apr 27, 2009
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