P1172 Diagnostic Trouble Code Discussion for May 2021
Secondary Fuel Pump Insufficient/No Fuel Flow
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| Help Request | Posted | |
| 2003 Chevrolet Silverado 3500 LS 6.0L MIL Lamp on VIN: 1GBJK34U93 P1172: Secondary Fuel Pump Insufficient/No Fuel Flow. ... reading empty. Had code P1172. Erased code and fuel gauge worked. Replaced vent valve per tsb and in couple days was back with same code. Warrantied out rear pump as customer had previously replaced and it emptied the rear tank into the front and fuel... |
May 04, 2021 | |
| 2003 Chevrolet Silverado 3500 LS 6.0L MIL Lamp on VIN: 1GBJK34U93 P1172: Secondary Fuel Pump Insufficient/No Fuel Flow. ... reading empty. Had code P1172. Erased code and fuel gauge worked. Replaced vent valve per tsb and in couple days was back with same code. Warrantied out rear pump as customer had previously replaced and it emptied the rear tank into the front and fuel... |
May 19, 2021 |
