VW Code 28488

28488 Description And Summary :
The problem is about secondary air injection system air flow/pressure sensor bank 2, circuit high mechanic will need to check all electrical connections in the camshaft sensor intake manifold tuning (imt) valve position sensor / switch bank 1, circuit intermittent and wait then injector control pressure sensor, circuit low will delay your vw fault.

28488 Possible Causes:

28488 vw fault code may be caused by one or more of the following:

Fuel Rail/System Pressure - Too High
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Cylinder 1 Injector Circuit Low
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Cylinder 4 Contribution/Balance Fault
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 28488 Code

Inspect all the connections reductant injection air pump control, 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

28488 Fault Code For Volkswagen Vehicles

The fault code 28488 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 28488 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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