P0327 Diagnostic Trouble Code Discussion for January 2025
Knock Sensor 1 Circuit Low Voltage (Bank 1)
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| Help Request | Posted | |
| 2001 GMC Sierra 3500 SL 8.1L MIL Lamp on VIN: 1GDJC39G21 P0327: Knock Sensor Circuit Low Frequency (Bank 1). This truck does not have much info through Mitchell On Demand. Very little to no info. It is a HD 3500 service truck. I thought I'd look up a same year & comparable model Chevrolet 3500 but the diagrams & flow charts show the sensors under the inta... |
January 31, 2025 |
