starting problem

2000 CHEVROLET EXPRESS
127,000 MILES • V8 • 2WD • AUTOMATIC
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PANCHO ROD
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  • 4 POSTS
I'm having problems with my chevy Express 3500, yr.2000, 5.7 engine, aut. when I start it it looks like it'll work, making noices, however it dies. I checked the fuel pump and it's working ok. Where can the problem be?
Thank You.

Rafael
Jan 22, 2011 at 4:55 AM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, Do you hear the fuel pump come On when you turn key on? If not check fuel pump fuse and fuel pump relay if so, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,coil's resistances,cap and rotor,distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it and keep testing.
Jan 22, 2011 at 4:57 AM
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PAULHENRY
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  • 18 POSTS
Fuel pump can be working, but still not working correctly.Fuel pressure must be exact.Must be tested.
May 22, 2011 at 1:07 AM
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