P1654 Diagnostic Trouble Code Discussion for March 2010
A/C Relay Control Circuit Malfunction
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| Help Request | Posted | |
| 1998 GMC Savana 3500 6.5L No Start, Poor Idle Quality, Surge, Cuts out, Misfire, Poor Fuel Economy VIN: 1GDHG31F6W P1654: Service Throttle Soon Lamp Control Circuit Malfunction. Helo fellow techs, not too much on diesels. Have this duramax that runs horrible. Sometimes won't start. Thinking maybe the injection pump; among other things, but main problem. Not real sure what to check. Just mainly looking for advice. Hopefully a common pr... |
March 30, 2010 |
