Cranking but not firing...

[shodio]

I bought my stock 1997 SHO with 178k miles and I have put 1,000 miles on it in the last two months with virtually no problems. However, I went to start it up yesterday and it would not Fire up. It cranks fine, just no ignition. The guy I bought it from included an igniter-Ignition module. Anyway, does anyone have a recommended procedure to track down the issue? I do not have a scanner. I am just above a novice repair guy, but I have people that could guide me if I get some specific direction from a v8 sho owner.



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[Ian Macoomb]

I bought my stock 1997 SHO with 178k miles and I have put 1,000 miles on it in the last two months with virtually no problems. However, I went to start it up yesterday and it would not Fire up. It cranks fine, just no ignition. The guy I bought it from included an igniter-Ignition module. Anyway, does anyone have a recommended procedure to track down the issue? I do not have a scanner. I am just above a novice repair guy, but I have people that could guide me if I get some specific direction from a v8 sho owner.



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Sounds like a crankshaft or camshaft sensor has gone bad (or both). Or it could be a dead fuel pump. Check the fuel pump fuse under the hood. Mine had a problem where the wires chaffed and finally shorted out and blew the fuse.

Cams welded?

 

[Siman]

im going to have to say its cams if u didnt weld them your car is now worth $250.

 

[SHOZ123]

Crank sensor would cause this. You would need to back probe the PCM to see if you are getting an AC reading when cranking the motor over with a voltmeter at the crank sensor inputs. Pin 21 gray wire and 22 dark blue wire.