Check small 4 way connector at the pump if it looks burnt replace with "pig tail" wire harness . look at fuel pump ground connection on frame near gas tank filler. look for bad fuel pump relay ( very rare) . will engine run is starting fluid injected?
Fuel filter?
SOURCE: My 1995 GMC jimmy 4x4 just stopped running.
Had same problem. replaced spark plugs and egr vavle. Runs like a top and was cheaper than fuel pump and filter.
SOURCE: 2000 GMC Jimmy won't start
i had the same problem and replaced the fuel pressure regulator. Cost about $45 at advance auto store or about $90 at napa auto stores. Once i replace that my truck started right yup and runs like a champ
SOURCE: My 99 GMC Jimmy has the service 4X4 light on and
I own a Jimmy and have done quite a bit of 4 wheel drive repair on it.
The first thing i would check is the 4x4 selector switch. I know for a fact that these will throw a service 4x4 code if they are unplugged or shorted. They sell for 50-60$ or you may find one at a local salvage yard for cheaper.
Taking this out and checking it only takes a few seconds, just simply pop the switch out of the dash with the edge of your pocket knife.
After you get it out theres a few more tabs surrounding the back plate, and this is where the circuit board is located. I would inspect it visually to make sure nothing looks corroded and also take a sniff of it to insure there isn't a burnt smell.
If it were the 4x4 actuator the lights would still illuminate on the selector switch, it just wouldn't engage the 4x4.
You'r problem is all electrical trust me .
SOURCE: i have a 1998 jimmy gmc 4x4 suv. i replaced the
check blend door actuator behind glove compartment it keeps your compressor from coming on.check to see if the compressor is coming on when you turn the air on.
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i have not tried that yet but thanks so much for the info 1998 gmc jimmy!!
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