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Cranks wont start no codes

billd

Well-known member
Joined
Dec 9, 2001
Messages
88
Location
Denver,CO
Corvette
2001 red convertible, 1985 wht
2005 won't start. Cranks, has fuel pressure, replaced CPS, no error codes. Thank god it broke in the garage. Any suggestions?
 
Surprised nobody commented on this. It has to be fuel or spark. Pull off one of your plug wires and lay it close to the spark plug and crank it. If you have a spark jumping to ground it's a fuel problem. If no spark, it's ignition. This will give you a place to start looking.

Tom
 
Surprised nobody commented on this. It has to be fuel or spark. Pull off one of your plug wires and lay it close to the spark plug and crank it. If you have a spark jumping to ground it's a fuel problem. If no spark, it's ignition. This will give you a place to start looking.

Tom
I have no spark. New crank position sensor. 60 psi fuel pressure.
 
I've been in Arizona for awhile and not able to check in much. Did you find a fix for your problem?

Tom
 
At about 107Kmiles, I had a 'crank but no start' situation that was random. It was a combo of 2 things. The 10A circuit in the fuse relay box was carbonizing and melting the surrounding plastic, and my fuel pump was failing. And probably pulling too much power. The FP, I've read, runs at 6-8 amps continuously. The 10A fused circuit isn't enough. Had a Painless FP fuse/relay relocation harness rated at 30A wired in after FP was replaced. That with fresh plugs/wires/coil packs and the engine's never run better.
 

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