Question about 2000 GMC Jimmy

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My 2000 jimmy stop running. i have fuel presure, spark plug wires have spark. I replace both crank, cam, ignition modual sensor and the ecu. Also took of the mufler tinking it may be plug. Engine turns over but it will not run (it will some times run for about 10, 15 seconds then die). check timing it was ok. Running out of obtions any sugestions?

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  • albertacuna1 Aug 25, 2010

    I replace the fuel pump relay first thinking it might be the fuel pump not working check fuel presure its at 60 psi

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Yeah, check the order of the spark plug wires on the distributor cap. Perhaps they might be mixed up not allowing it to run properly and yes, even sometimes stall. check that first if not, then check to see if you are getting fuel at the engine. If not then perhaps its a bad fuel pump...good luck!

Posted on Aug 25, 2010

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http://images.search.yahoo.com/search/images?_adv_prop=image&fr=yfp-t-900&va=2000+ford+taurus+crank+sensor+wiring+diagram

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For an engine to run, you need three things to happen inside the engine. Compression, fuel and ignition, without any one of these components the engine will not run.
Basic Checks:

A. Test Fuses. Test both under hood power distribution center and the fuse panel under dash. This is done with a test light tool. The test light should illuminate on both sides of the fuse, if not the fuse has failed and needs to be replaced.
B. Testing Fuel Pressure Test for proper fuel pressure with a test gauge on the fuel rail, most throttle body injection cars (TBI) are between 13 psi and 17 psi. and most (DPI) direct port inject systems are between 40 psi and 55 psi. If no or little fuel pressure is observed and there is 12 volt power present the fuel pump, the fuel pump needs replacing.
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