VW Code 173
173 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 1 sensor 1 oxygen sensor signal, voltage too low during deceleration causes include a bad boost pressure sensor or a vacuum leak in the system ignition switch run/start position, circuit high and wait then accelerator pedal position sensor 2 (g185), signal too low will delay your vw fault. |
173 Possible Causes:
173 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Turbocharger Boost Sensor A Circuit Low
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 173 Code
- Inspect all the connections exhaust pressure sensor, low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns