Question about 2003 GMC Sierra
We were driving with low fuel and it was after we replaced battery in remote for truck and truck shut off while driving and put gas in it and wont even turn over dead
Engine will not crank (Turn over) ??
Engine cranks (Turns over) but will not start ??
Posted on Dec 11, 2014
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Posted on Jan 02, 2017
SOURCE: My 99 GMC sonoma wont start..
ok... there are a couple of things you can do. i must have miss typed on the cap,rotor . in the back of the motor where the plug wires conect that is the cap that is bolted to the distributor with two torques bits that i believe are t15 in size. there may lie your problem. the posts inside are made of aluminum and they get coroded and dont alow the proper spark. the other commen problem is the exhaust the catalitic converter becomes pluged up. something you can try is remove one of the oxigen sensors and try to start it up if it runs the cat needs replaced. the o2 sensor is a 7/8 nut to remove it. give it a try
Posted on Jan 25, 2009
I also have a 2002 Envoy. Shifting to and from 4wh and 4wa can be done on the fly but shifting to 4wL has to be done stoped and while in neutral. Try that. Otherwise I'm afraid its a new computer for you. Its located under the left rear seat and you need a loan for one.
Posted on Sep 18, 2009
if the fuel pump is all in-tank; the sending unit built in to the fuel pump is most likely malfunctioning; if so, this will require removal and replacement of the entire fuel pump, sometimes expensive, others not so much
Posted on Oct 06, 2009
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