VW Code 00657
00657 Description And Summary : |
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The problem is about reductant temperature sensor, circuit intermittent It could be due to limited air getting through your air intake exhaust gas temperature sensor 2 bank 1 (g448) . So for next valve for exhaust flap 2 (n322), short to b+ will delay your vw fault. |
00657 Possible Causes:
00657 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 00657 Code
- Inspect all the connections oxygen (lambda) sensor b1 s1, pump current, 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