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1 and half year later im still having this issue. i chose to deal with it and hold the throttle till it warmed up but now i really just want to correct it. any help would be greatly appreciated

so i put a ac delco c5 fpr in and the fuel pressure is now at 62. the idle is better but not 100%. when i start it up the rpms jumps to about 1500 momentarily, then dips to about 4-500 rpms as if it...

I just found 2 problems.

My ebay corvette fuel pressure regulator is putting 68psi at the fuel rail. I just bought amother one but this time from gm, I'll put that in this week when it comes...

i found another stock 2004 gto map on the repository and its the same as mine with the blanks on the idle section.

The thing is that This was a complete swap out of a gto that I saw running fine.I hooked up hptuner and downloaded the map from the ecu and only removed vats, codes, and changed vss signal.

Do u...

I have a corvette fuel filter/pressure regulator. I never actually checked to see if it's putting out 58psi. I'm going to check that first thing tomorrow

Also I forgot to add, it's a completely stock motor except for intake, headers, and exhaust

hello i recently swapped in a 2004 gto engine into my 1991 240sx. for some reason i cannot get it to idle when its cold and it wont start up and hold idle without me giving it gas fora few seconds....