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2003 Chevy Malibu Won't Start

Tiny
MEQ1957
  • MEMBER
  • 2003 CHEVROLET MALIBU
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 91,000 MILES
The car won't start. It turns over like it wants to but it won't. I have replaced the fuel pressure regulator and the ignition module. It is getting gas to the fuel pressure regulator but not to the carb. Are the injectors the problem and how do I know for sure? Thanks
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Friday, April 11th, 2008 AT 5:17 PM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
You modle is carbuerated? Throttle body injected, Or electronic fuel injected.

Which one is it.

Are you sure its carbed?
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Friday, April 11th, 2008 AT 7:28 PM
Tiny
MEQ1957
  • MEMBER
  • 1 POST
No I am not sure I only know that I took the hose off between the fuel pressure regulator and where the fuel goes into which looks like a small carberator. The engine is 3.1 and is elec. Fuel inject. When I pour gas straight into the carb. Looking piece the car will sart but hooked back up it won't. How do I check the injectors to see if they are all bad? Do I have to replace all 6 or can I see if they are bad individually? Thanks
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Friday, April 11th, 2008 AT 11:13 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
You can see which ones bad individually, measure the resistance of each of them, they should be simmilar. If one is totataly off replace it.

Next is to check for power, hook upa noid light to the injector connectors and crank the engine, if it cranks its getting pulse and the injectors should be firing.
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Saturday, April 12th, 2008 AT 8:01 AM

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