Crank but no start

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MDEPAOLO
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I have a '98 Chevy Monte Carlo z34 with 116000 miles. Lately I have had a 'crank but no start' problem that is intermittent about once a week. When I go to start the engine, i hear the starter run good but no start. If i let it sit for 10 min and try again, it comes to life. Starts fine for a week or so, and begins to take longer and longer until it doesn't start again. Starter and fuel pump have been replaced recently.
Dec 7, 2006 at 5:21 PM
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CANVIS69
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may be the injectors or fuel pressure regulator are leaking and bleeding the fuel pressure. Also, craked lines will let in air but not really leak if craked on top. Or[color=red:98d7a7ac37] it could simply be the relay for the pump doesn't send the signal to the pump to prime it. Listen for the pump when the ignition is switched on and off[/color:98d7a7ac37]. If it is priming,see if toggoling the ignition makes it start easier. If so it is loseing it's pressure somewere. When it is a no start it probably builds the pressure for it to start while it's cranking.
Dec 7, 2006 at 6:48 PM
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MDEPAOLO
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Thanks...that sounds familiar because the mechanic said the diagnostic tool flagged low fuel pressure. So it may be what you said about the relay or cracks in the line.
Dec 8, 2006 at 11:27 AM
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