VW Code 17798
17798 Description And Summary : |
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The problem is about oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded It could be due to limited air getting through your air intake secondary air injection pump-d-relay (j705), circuit open circuit and kick down switch, error message from engine contr. is the final reason of the code. |
17798 Possible Causes:
17798 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
- Fuel Rail/System Pressure - Too High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 17798 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / reference voltage, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns