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Car will not start I have checked the fuel.

Tiny
LEE628
  • MEMBER
  • 2005 CHEVROLET TRAILBLAZER
  • 70,000 MILES
Car will not start I have checked the fuel pressure it holds at 57 pounds. If it does start it acts like it is running rich for a few seconds then clears up. If I remove the fuel relay it will start til it runs out of pressure. I have cleaned the throttle body and still the same. What other sensors can I check. The engine light is not on and I have no codes
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Friday, November 2nd, 2012 AT 3:18 PM

3 Replies

Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
The fuel pressure regulator may have some sort of problem. Also a bad oxygen snesor can cause that sort of issue. You might also check the idle air control valve, IACV to make sure it is working properly.
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Friday, November 2nd, 2012 AT 3:27 PM
Tiny
LEE628
  • MEMBER
  • 3 POSTS
The fuel pressure regulator is not a seperate it is built into the fuel pump from what I am told. The fuel pressure is what is listed in the repair book and holds this pressure with no loss of pressure. Would any of these sensors show a code?
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Friday, November 2nd, 2012 AT 3:38 PM
Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
Oxygen sensors should show a code.
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Saturday, November 3rd, 2012 AT 4:11 AM

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