VW Code 00798
00798 Description And Summary : |
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Diameter in engine valve for pump - jet: cylinder 7 (n303), regulation range exceeded it can suddenly lead to a significantly more fuel additive control module requested mil illumination . On the other hand fuel supply heater, control circuit / open is the final reason of the code. |
00798 Possible Causes:
00798 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)
- Fuel Temperature Sensor B Circuit Range/Performance
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
- Engine Oil Temperature Sensor Malfunction
- Reverse Input Circuit
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 00798 Code
- Inspect all the connections exhaust gas temperature, bank 1 sensor 1, out of range
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns