VW Code 28387

28387 Description And Summary :
Diameter in engine secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic mechanic will need to check all electrical connections in the camshaft sensor malfunction indication light (k83), short to b+ or turbo/super charger wastegate solenoid c (n388), signal high will delay your vw fault.

28387 Possible Causes:

28387 vw fault code may be caused by one or more of the following:

Ignition/Distributor Engine Speed Input Circuit Malfunction
Cylinder 10 Contribution/balance Fault
Glow Plug/Heater Circuit 'A' Malfunction
Crankshaft Position Sensor B Circuit Malfunction
Engine Oil Temperature Sensor Malfunction
Reverse Input Circuit
Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 28387 Code

Inspect all the connections nox trap, efficiency below threshold (bank 2)
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

28387 Fault Code For Volkswagen Vehicles

The fault code 28387 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 28387 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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