2004 Grand Am, no code random stall

britfrny

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Wife had random problem with car stalling. Also intermittent hesitation. Changed fuel filter. Car started and ran for a while and increased rpms to purge any air. Next morning car would not start. Has fuel in injector rail. Coil packs, ignition modules and crank sensor all check ok. Please help, wife needs car back running.
 
Do a fuel pressure test, pump could be on it's way out
 
That was my thinking, about the pressure test. I was thinking possibly the pressure regulator or fuel pump. Local parts store doesn't have a loaner pressure tester. Have to wait til I can get one. Thanks.
 
Buying one is an option. It is one of the main tools for troubleshooting fuel injected engines.
 
Ok, thanks for the replies. Rechecked the spark. Was not bright blue. Changed wires and put new plugs in. Plugs that were in it were not correct for the year. Opened gas cap to listen for fuel pump. Cranked two times and it started, put gas cap back on and test drove. Very smooth and responsive with no hesitation. This was couple hours ago. Wife getting ready to take it to the store. We will see what happens.
 
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