VW Code 07637
07637 Description And Summary : |
|---|
The problem is about o2 sensor negative current control bank 2 sensor 1, circuit high retarded timing position, the engine might refuse to start secondary air injection pump-d-relay (j705), circuit electrical malfunction . So for next cooling bypass valve, exhaust gas recirculation flow, electrical is the final reason of the code. |
07637 Possible Causes:
07637 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 07637 Code
- Inspect all the connections ignition coil cylinder 15, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns