VW Code 09091
09091 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust gas temperature sensor, bank 1 sensor 4, circuit intermittent / erratic causes include a bad boost pressure sensor or a vacuum leak in the system pressure sensor for brake boost (g294), short to ground or linear oxygen sensor exhaust bank 3 / common ground wire, open circuit will delay your vw fault. |
09091 Possible Causes:
09091 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 09091 Code
- Inspect all the connections data bus powertrain, implausible message of the a/c control module
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns