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1992 Chevrolet Lumina APV Question: Lumina APV 3.8 "code 56 quad driver module" engine does not run is unstable

 

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alejandromaneiroj, 3.8L V6, Miami, FL, October 14, 2012, 17:17
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Greetings I have a Lumina APV mini vans 1992 3.8 engine my problem is I do not have strength to run and minimum is very unstable and vibrates much put a wire on terminals "B" and "A" connector obd1 appears fault code 56 "quad driver module". I can do

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  • Answer #1

    October 14, 2012, 17:20
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     Master

    possible ecm failure. quad driver is in the ecm. make sure it is the failure before commiting to a repair

    Roy

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