OBD I DTC's 41 And 42 on '95 LT1 PCM
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From: Washington, Michigan USA
OBD I DTC's 41 And 42 on '95 LT1 PCM
In looking up generic OBD I diagnostic trouble codes 41 and 42, I'm seeing several different explanations of what causes/sets them, which seem to be application specific.
Sooooooo ...... specifically on a '95 LT1 (converted from OBD II), PCM ....... what are DTC codes 41 and 42???
TIA for any replies!
Sooooooo ...... specifically on a '95 LT1 (converted from OBD II), PCM ....... what are DTC codes 41 and 42???
TIA for any replies!
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Re: OBD I DTC's 41 And 42 on '95 LT1 PCM
Shoebox's list is LT1 specific:
http://shbox.com/1/Dtcs.htm
For detailed definitions, reference the 1995 factory service manual, free download courtesy of GaryDoug:
https://www.mediafire.com/?40mfgeoe4ctti
http://shbox.com/1/Dtcs.htm
For detailed definitions, reference the 1995 factory service manual, free download courtesy of GaryDoug:
https://www.mediafire.com/?40mfgeoe4ctti
Thread Starter
Registered User
Joined: Jun 2000
Posts: 857
From: Washington, Michigan USA
Re: OBD I DTC's 41 And 42 on '95 LT1 PCM
As always ........... Thanks Fred. 
(And ...... Shoebox too! 
) And ...... Gary Doug also.
(And ...... Shoebox too! ) And ...... Gary Doug also.
Last edited by 97 6SPEED Z; Aug 25, 2021 at 09:03 AM.
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