My 2001 GMC Jimmy died while driving after going over a railroad track, tried to restart and wont even turn over just a tic sound, as it was stalling my radio light's went crazy. Since then I've replaced the fuel pump, ignition coil, fuses. What else could it possibly be??
My 2001 gmc jimmy will drive perfect but out of no where it will turn off whats wrong ?
SOURCE: 2000 GMC Jimmy will not start
The oil presure switch does have some bearing on the problem but my suggestion is to change the coil. I had a the same problem with an astro van. I changed everything that you have described and it fixed the problem just for a little while and then all of a sudden did it again. I changed the coild and the cold start swithch and never had the problem again.
SOURCE: 1998 GMC Jimmy Fuel Pump Failure?
Your on the right track with the fuel pump test, chanses are its the pump thats went out. its best to have two people one to turn key and one to listen out side of car, the best way to hear if it runs. Now don't be fooled just because you hear the pump it can run and still not put out any pressure, thats ware the test comes in.
SOURCE: 2001 gmc jimmy not starting
Did they do a fuel pressure pressure test to determine that its fuel pump? And if so what was the p.s.i.?It should be around 55 to 60 p.s.i. a few pounds under 55 p.s.i. Pump needs replaced, Your shop should have chk. this when it was there the first time. Did they by chance chg. the fuel filter, that can hinder it from starting too.
Testimonial: "it was the fuel pump thank you"
SOURCE: Emissions sensor fuel tank 2001 gmc jimmy
I don't think you have anything wrong, I just don't think you have completed the correct drive cycle yet. Some vehicles must be driven in a very specific way before all the monitors will set. Here is the drive cycle that Gm Recommends:
Do not leave the key in prior to the cold start or the heated oxygen sensor diagnostic may not run.
SOURCE: my 92 gmc sierra ran
Happens all the time with 70's 80's and 90's GMC trucks. Replace the control module in the distributor cap.
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