1988 Pontiac Firebird fuel delivery

Tiny
RUSSELL99
  • MEMBER
  • 1988 PONTIAC FIREBIRD
  • V8
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
My car always started rough were I would have to turn the key to the on position for 20seconds then turn it to off then crank it 3-4times then it would start. One day it just wouldnt start at all and I noticed there was no fuel coming out of the injectors. So I changed the fuel pump and thought that would solve the problem. But it didnt. Im getting fuel all the way up to the carb but thats it. Could it be a fuel pressure problem or what? I have the V8 305 TBI
Sunday, October 17th, 2010 AT 2:57 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Use a noid lite and check for injector pulse. Use a gage and check fuel pressure. Some of the national brand autostores used to loan out a fuel pressure gage. Engine cranking, visually check for spark at the plugs.
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Sunday, October 17th, 2010 AT 3:13 PM
Tiny
RUSSELL99
  • MEMBER
  • 6 POSTS
Checked I am getting a spark and fuel pressure is at 10psi. So where should I go from there?
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Sunday, October 17th, 2010 AT 4:25 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Do you have an injector pulse? If no injector pulse look for rpm signal.
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Monday, October 18th, 2010 AT 9:30 AM

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