P0418 Diagnostic Trouble Code Discussion for October 2010
Secondary AIR System Pump Relay Control Circuit Malfunction (Bank 1)
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| Help Request | Posted | |
| 2001 Chevrolet Express 2500 5.0L Misfire VIN: 1GCFG25M41 P0418: Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1). This van entered our vehicle donation program as a no start. The PCM case was split open with corrosion as were some some of the circuits inside. There was no communication. I installed a used PCM. After learning the key the van ran with a dead miss but no mis... |
October 01, 2010 |
