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Old 05-12-2017, 12:38 PM
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2009 long cranking time

Need some advise, have a 2009 with 185k miles but runs great with no engine codes. Been having longer and longer crank times of late. I found if turn key on and let fuel pump run before cranking it starts normal. It sounds like a drain back valve to me but I can't find a listing for the part or location. Got any advise?

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Old 05-12-2017, 01:01 PM   #2
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It could be related to the fuel rail or the fuel pump itself. Actually, the best way to start a FI engine is to turn the key to the on position for a second or two and then to start. I've been starting Fi engines like that for years after receiving that advise from a retired Corvette engineer. I've also been doing it with my 10 since new. At 185K miles you're probably better off starting it as I mentioned, unless/until a more serious issue develops.

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Old 05-22-2017, 01:01 AM   #3
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Originally Posted by Paulporter101 View Post
Need some advise, have a 2009 with 185k miles but runs great with no engine codes. Been having longer and longer crank times of late. I found if turn key on and let fuel pump run before cranking it starts normal. It sounds like a drain back valve to me but I can't find a listing for the part or location. Got any advise?
The fuel pump, regulator, filter and check valve are all in the fuel pump module; your running a single line feed with no return line and regulator on the rail.

Connect a fuel pressure gauge, key on and you should have about 60 psi, it should slowly bleed off but hold at least 45 psi for a minute; if not probably time for a new fuel pump.
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