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Tiny
RICHYKUNTZ
  • MEMBER
  • 1994 PONTIAC FIREBIRD
My 94 firebird formula is having trouble building fuel pressure. Checked shrater valve with guage takes a few cycles of the key to build. To around 40 psi. It use to at least roll the motor over and act like it was starting and with a couple cycles would start. Now it doesn't roll over or crank on except very. Occaaionaly. Could it still be the fuel pressure regulator or something else? Do you need more detail?
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Sunday, September 16th, 2012 AT 7:46 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I would replace the pump. It sounds like it has failed.

Roy
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Sunday, September 16th, 2012 AT 7:53 PM
Tiny
RICHYKUNTZ
  • MEMBER
  • 8 POSTS
What. If the fuel pump kicks on everycycle and shows pressure on the guage? The fuel pressure regulator (shcrater valve checked) no preasure. Would that cause the motor to not roll over due to lack of fuel pressure. I'm almost positive the pump is good due to it kicking without fail. And never cutting out. I just didn't know if lack of fuel pressure would cause a no roll over when turning the key due to the regulator not building proper preaaure
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Sunday, September 16th, 2012 AT 8:10 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You must have the correct pressure to make it run. The pump may be running but cannot develop any pressure.

Roy
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Sunday, September 16th, 2012 AT 8:20 PM

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