P1641 Diagnostic Trouble Code Discussion for October 2005
MIL Control Circuit Malfunction
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| Help Request | Posted | |
| 1998 Saturn SW1 1.9L Excessive Emissions, MIL Lamp on VIN: 1G8ZH8286W P1641: Output Driver Module 'A' Circuit Malfunction. In MA they do a OBD II check for emmissions, i.e. readiness monitors and codes, the vehicle came to us with a code for P0420A Catylitic converter below efficency. We checked the oxygen sensors and both were switching at the same time, cat not functioning prope... |
October 06, 2005 |
