| An update: Problem got a lot worse. Seems to take 5-10 seconds (longer than before) to start even if car is only sitting for 10 minutes. Did a fuel pressure test on it, connected right after fuel filter. When I switch the key to 'on' position, it shoots up to about 45-50 psi then drops to 0 almost instantly. Is this normal? Once car is on, it remains at 43 psi like it's suppose to. Decided to try replacing the regulator from another Z I had sitting as a part car that had many miles on it to see if any difference happens and now it has no PSI when key is 'on' position, seems to start much easier, and has only 25-30 PSI when car is on. I let it warm up and it still remains at 25-30 psi. Makes no sense to me at all. It might be just because I tightened gas cap AFTER I finished installing the other regulator. I will try to meter it again tomorrow.
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