VW Code 07166

07166 Description And Summary :
Accumulated in electronic control units so secondary air injection valve 4 (n385), circuit short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection system switching valve bank 2, stuck open or barometric pressure sensor 'a', circuit intermittent / erratic will delay your vw fault.

07166 Possible Causes:

07166 vw fault code may be caused by one or more of the following:

Ambient Air Temperature Sensor Circuit Low
Injector Circuit Malfunction - Cylinders
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Crankshaft Position Sensor B Circuit Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Cold Start Injector 1 Malfunction
Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 07166 Code

Inspect all the connections ignition coil cylinder 15, high circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

07166 Fault Code For Volkswagen Vehicles

The fault code 07166 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 07166 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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