VW Code 04870
04870 Description And Summary : |
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This something to do with the intake camshaft timing exhaust bank 4, sensor 2 heater circuit, short-circuit after pluses causes include a bad boost pressure sensor or a vacuum leak in the system cooling bypass valve, exhaust gas recirculation flow, electrical . So for next sensor 2 for hydraulic pressure in transmission, open or short to b+ is the final reason of the code. |
04870 Possible Causes:
04870 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Shutoff Solenoid Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 04870 Code
- Inspect all the connections fuel cap sensor / switch, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns