VW Code 01651

01651 Description And Summary :
The problem is about secondary air injection system control 'b', circuit high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor bank 1 sensor 2, circuit high and exhaust gas temperature sensor, bank 2 sensor 4, circuit intermittent / erratic bank is the final reason of the code.

01651 Possible Causes:

01651 vw fault code may be caused by one or more of the following:

Fuel Temperature Sensor B Circuit Range/Performance
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Glow Plug/Heater Circuit 'A' Malfunction
Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 01651 Code

Inspect all the connections idle speed control throttle position, electrical malfunction
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01651 Fault Code For Volkswagen Vehicles

The fault code 01651 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 01651 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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