P0326 Diagnostic Trouble Code Discussion for June 2014
Knock Sensor Excessive Spark Retard
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| Help Request | Posted | |
| 2009 Chevrolet Silverado 1500 WT 4.3L spark knock VIN: 1GCEC14X49 P0326: knock sensor performance. Customer brought this vehicle in stating that it will not back up a hill, there is no power in reverse, the customer is hard of hearing and did not hear the spark knock (sounds like a diesel idleing.) Monitored the scan data and the fuel trims were 0 to -1. We... |
June 26, 2014 |
