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Need help car won't start

Old 05-17-2018, 05:36 PM
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Join Date: May 2018
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Need help car won't start

1992 firebird 305 tpi. When I put key in and try to turn it over it won't turn over. Check engine light is on security light is on and e brake indicator light is on. When I turn the key the coolant temp gauge maxes out. I replaced the tumbler already and had the correct key thinking it had something to do with the VATS. And that didn't help. Any ideas on what this could be?
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Old 05-17-2018, 07:00 PM
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Join Date: Oct 2003
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Posts: 1,004
Car: 1992 Z28 and 1995 Silverado
Engine: 5.7 TPI and 5.7 TBI to TPI convert
Transmission: 700R4 and 4l60E
Axle/Gears: G80 3.23 and open 3.42
Re: Need help car won't start

Hook a code reader up to it and see if you even get a good response from the ECM
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Old 05-17-2018, 07:49 PM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Need help car won't start

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Old 05-17-2018, 07:56 PM
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Location: Ontario, California
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Car: 1992 Z28
Engine: 383
Transmission: 700R4
Re: Need help car won't start

If the security light stays on with the key to the on position then the Vats is enabled (on) and you need to find out why the Vats is enabled
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Old 05-18-2018, 05:41 PM
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Re: Need help car won't start

Thanks for taking the time to provide input. I was hoping that replacing the ignition tumbler would fix the VATS issue but it didnít. Not sure what else would be interfering. Iím thinking the next step would be to order a prom that has the vats deleted.
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