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92 5.0 CODE 15 help PLEASE

Old May 23, 2017 | 04:01 PM
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Oi_Dezzy's Avatar
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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 May 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 May 23, 2017 | 04:57 PM
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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; May 23, 2017 at 05:02 PM.
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Old May 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 May 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 May 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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