VW Code 00738
00738 Description And Summary : |
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Staring in engine control module throttle actuator position, performance retarded timing position, the engine might refuse to start exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at upper limit . So for next exhaust bank 3 mixture adaptation range 3, rich limit exceeded is the final reason of the code. |
00738 Possible Causes:
00738 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Engine Oil Temperature Sensor Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 00738 Code
- Inspect all the connections throttle position output, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns