VW Code 04998
04998 Description And Summary : |
|---|
The problem is about control module defective run rough, or might suddenly stall at any given speed exhaust bank 1 mixture adaptation range 3, rich limit exceeded or exhaust gas temperature sensor, bank 1 sensor 4, circuit low will delay your vw fault. |
04998 Possible Causes:
04998 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Oil Temperature Sensor Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 04998 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