is the check eng light on ???

Answered by CHEVYII
5 questions asked

Yes and I checked the code. It was a 44, oxygen sensor. I checked my fuel pressure and it is only 40 psi. Could something be wrong with part of the fuel pressure regulator, I believe the connection (spider) might have been damaged.

Response from brian3737
1 question asked

its possible the spider or metering body is damaged , 40 psi is low , i wonder if the new pump took a crap or is faulty , the regulator is after the fuel pump test port , if the regulator is faulty you will have bleed down if you leave the gage on for 10-15 minutes , severe bleed down , let me know

fuel pressure with key on engine off should be 54-64 with engine running and opening throttle is should nose up to 60-64 psi , if your initial pressure doenst hold at atleast 54 you can check the cpi unit by momentarily piching off fuel return line , if the pressure holds after the pich , replace the cpi unit or (spider)

Answered by CHEVYII
5 questions asked