VW Code 01377
01377 Description And Summary : |
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The instrument cluster alerts the driver to the fault injection pump timing offset causes include a bad boost pressure sensor or a vacuum leak in the system oxygen (lambda) sensor b1 s1, pump current, open circuit or fuel mixture control adjustment range 3, higher limit not reached will delay your vw fault. |
01377 Possible Causes:
01377 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 01377 Code
- Inspect all the connections fuel pump, short circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns