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I have an 03' ZX2 with 179,000 miles on it. The car runs fine but when I start it after its been sitting for a while I have to turn the key to the run position about 4 times to allow the fuel pump to pressurize the fuel system. If I don't do that then it takes about 5+ seconds of cranking over to start. Once it starts it runs rough for a couple seconds but then smooths out and runs fine until I shut it off again. I'm just looking for some suggestions for things to check...

Thanks,
Brad
 

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You apparently have a fuel pressure bleed off. Either one of the injectors is leaking, you have a bad pressure regulator, or the fuel pump is leaking internally and not holding prime. Fuel pressure tests and blocking off lines and dead heading pump and injectors may give answer.
 
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