VW Code 17742

17742 Description And Summary :
The problem is about engine coolant temperature signal, open / short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system fuel fired heater, performance or secondary air injection pump-c-relay (j704), circuit short to b+ will delay your vw fault.

17742 Possible Causes:

17742 vw fault code may be caused by one or more of the following:

Cylinder 4 Contribution/Balance Fault
Ambient Air Temperature Sensor Circuit Low
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Engine Oil Temperature Sensor Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 17742 Code

Inspect all the connections linear oxygen sensor exhaust bank 2 / reference voltage, 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

17742 Fault Code For Volkswagen Vehicles

The fault code 17742 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 17742 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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