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92 5.0 CODE 15 help PLEASE

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Old 05-23-2017, 04:01 PM
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92 5.0 CODE 15 help PLEASE
I have a 1992 camaro Rs 5.0 automatic it has a rough idle problem and won't shift no matter how much gas I give it I started it up after a while of sitting started up right away and NO CHECK ENGINE LIGHT I let it sit while it was running it began to idle rough and run very rich got a check engine light run the code I got a code 15 (engine coolest temp sensor) which I already replaced but I'm still experiencing the same issue any ideas?
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Old 05-23-2017, 04:54 PM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 92 5.0 CODE 15 help PLEASE
The code 15 can be caused by a faulty ground or signal at the cts or the ecm. The ecm could be bad as well.
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Old 05-23-2017, 04:57 PM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 92 5.0 CODE 15 help PLEASE


1228746 tbi

Last edited by Tuned Performance; 05-23-2017 at 05:02 PM.
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Old 05-23-2017, 06:22 PM
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Re: 92 5.0 CODE 15 help PLEASE
I was hoping it wasn't the ecm but I'll check the wiring and go from there thank you!
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Old 05-23-2017, 07:08 PM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 92 5.0 CODE 15 help PLEASE
This flow chart might help. You yellow wire goes to pin c10 of your ecm.

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Old 05-23-2017, 10:20 PM
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Re: 92 5.0 CODE 15 help PLEASE
Thank you this really does help me!
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