error code 42 issues

bignag06 · 08-31-2011, 05:29 AM

sony: my speedo does work but it bounces around but still staying with the actual speed. i'll check that out thanks for the info.

ma70: thanks for the welcome. according to a website that deals with obd1 codes. code 11 only comes up on cars up to 1991. thanks for the tips, i will try those things out and see what happens. btw, my supra is n/a.

cre · 08-31-2011, 06:48 PM

An erratic speed signal is as bad as not speed signal.

You're not going to find code 11 in any MKIII after '88. It is the code for "momentary interruption in power +B (and/or +B1)" and can also be caused as mentioned by poor grounding at the head.

http://supra.co.nz/87tsrm/EFI/efi30.htm

08-31-2011, 06:48 PM	#2
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	An erratic speed signal is as bad as not speed signal. You're not going to find code 11 in any MKIII after '88. It is the code for "momentary interruption in power +B (and/or +B1)" and can also be caused as mentioned by poor grounding at the head. http://supra.co.nz/87tsrm/EFI/efi30.htm __________________ If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar --->

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08-31-2011, 05:29 AM	#1
bignag06 Stock Join Date: Aug 2011 Location: compton, ca Posts: 11	sony: my speedo does work but it bounces around but still staying with the actual speed. i'll check that out thanks for the info. ma70: thanks for the welcome. according to a website that deals with obd1 codes. code 11 only comes up on cars up to 1991. thanks for the tips, i will try those things out and see what happens. btw, my supra is n/a.