LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Random 42 & 51 DTC codes???

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Old 07-15-2011, 12:46 PM
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Default Random 42 & 51 DTC codes???

Every now and then I get a 42 and 51 DTC codes. Car still runs and does perfectly fine. Anyone know why this might be happening?
Old 08-02-2011, 11:00 AM
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Originally Posted by wrd1972
Every now and then I get a 42 and 51 DTC codes. Car still runs and does perfectly fine. Anyone know why this might be happening?
I think you and I are having very similar issues as I am getting "Data Err" msgs and random DTC's (erratic) when connected to Datamaster. Ever solve this?
Old 08-02-2011, 04:04 PM
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Originally Posted by DAVE00
I think you and I are having very similar issues as I am getting "Data Err" msgs and random DTC's (erratic) when connected to Datamaster. Ever solve this?
Nope. I just overlook it.



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