NxtLevl007

I have a 2001 z06 and Have been experiencing starting issues this past week. Car cranks quickly/fine with no hesitation (not battery or starter related based on my experience), then right after it cranks over, it instantly dies. It will do this 3-4 times, then finally it will crank over and stay on. Any ideas? battery connections are fine/snug. Thanks guys.

dougbfresh

Check fuel pressure.

NxtLevl007

how would i check the fuel pressure? I can hear the fuel pump kick on before I start the car. thanks

dougbfresh

You hook up a Fuel pressure guage to the schrader valve on the fuel rail in the engine bay.

lucky131969

NxtLevl007

I've also read could be clutch safety switch...a security issue...or ground wire connection....any idea how to diagnose those as well?

The car was tuned by MTI racing in Atlanta last summer so Im doubting it's tune related but possible....

87SAM

If it was the clutch switch or VATS, the engine would not crank.

dougbfresh

You have a fuel related problem, bet it's a weak pump and/or a leaking injector. Bet the fuel rail has to pressurize after sitting for a while. Does is start up OK after just sitting a short while?

NxtLevl007

Always take 3-4 times to crank and stay on...cold start or warm.

dougbfresh

Probably the pump then-you need to check fuel pressure.