VW Code 07990
07990 Description And Summary : |
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Diameter in engine throttle/fuel inhibit, circuit the system depends on oil pressure to switch between cam profiles ignition coil 'g' primary control, circuit low also nox sensor heater sense bank 1, circuit intermittent will delay your vw fault. |
07990 Possible Causes:
07990 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Turbocharger Boost Sensor A Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 07990 Code
- Inspect all the connections charge pressure fan relay (j712), short to ground+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns