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-   -   Failed Emissions test code P1691 (http://986forum.com/forums/performance-technical-chat/26500-failed-emissions-test-code-p1691.html)

JMINMD923 10-13-2010 08:58 AM
Failed Emissions test code P1691
 
Failed in MD. P1691 trouble code. Anyone know what this code is?

BYprodriver 10-13-2010 10:05 AM
my 1997 service manual says "MIL Interruption in wiring" "Check wiring from ECM to instrument cluster for continuity"

Seems there is a problem with the wiring to light your CEL which automatically makes it light up. (1997 manual which should still be correct) :cheers:

derb 10-13-2010 10:39 AM
It could also mean that the CEL light bulb is out. I had the same code a while back and replacing the bulb fixed it.


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