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Q: no power to fuel system after car sits on 1996 Chevrolet Impala SS

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
had hard starting problem. now it wont start. applying power to test terminal for a couple seconds powers up fuel pump, then car will start. sometimes idle speed is erratic. does the same with spare PCM. no codes. ignition functions fine. that was all replaced about a year ago.
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(1) Comments
you need a shop with electrical expierence that can track down the issue. it could be high resistance at the fuel pump connector which is common or the pump could be bad.

Roy
i think you may be right. i just replaced the fuel pressure regulator and relay. not much difference. fuel filter was replaced a couple years ago. i only get 25 lbs fuel pressure give or take a few. it varies as low as 20 and as high as 28 idling. should be just over 40. i will go after the electrical connection but i suspect the fuel pump is tired too.

THANK YOU!