VW Code 28520
28520 Description And Summary : |
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This something to do with the intake camshaft timing valve for exhaust cooling agent (n313), short-circuit after pluses causes include a bad boost pressure sensor or a vacuum leak in the system motor for intake manifold flap (v157), open / short to ground or event data recorder request, circuit low is the final reason of the code. |
28520 Possible Causes:
28520 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 28520 Code
- Inspect all the connections post catalyst fuel trim system, low limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns