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05 /13/ 24, 12:35amLogin ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 12345678910 ]
Subject: Re: Check engine lights


Author:
John O. Rud
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Date Posted: 04/ 5/ 02, 12:43pm
In reply to: Paul and Judy Williams (SeekingOz) 's message, "1988 8v92 DDEC system" on 03/ 26/ 02, 12:41pm

I have a 1988 BB with the 8v92 engine. The check engine light came on intermittent for over 18 months. I had it checked out in at least 8 different DD shops. Finally, a mechanic in Williams Detroit Diesel in Phoenix suggested new ground cables from the starter to the engine, engine to the frame, radiator water tank to the frame (2 ground wires now installed. Since this work was done I have no check engine faults on the computor readings, no check engine lites. I believe this has cured the check engine lite problem.

John Rud
88 wanderlodge

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Replies:
[> Subject: Re: 1988 8v92 DDEC system


Author:
Mike McMahan
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Date Posted: 04/ 14/ 02, 6:30pm

Paul, My 89 pt 40 did the same thing. Showed various codes low coolant, bad injector, etc. After a week in the Detroit shop they told me it was a phantom signal, probably caused by a bad ground. I diconnected the check engine light and don't worry about it. The engine warning light and the engine shut off in the event of a failure still function. I just watch the gauges. Mike McMahan

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