VW Code 01123

01123 Description And Summary :
Diagnosing engine bar with secondary air injection system air flow/pressure sensor bank 1, circuit range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so activation starter relay 2, open circuit and wait then throttle/pedal position sensor / switch 'f', circuit intermittent will delay your vw fault.

01123 Possible Causes:

01123 vw fault code may be caused by one or more of the following:

O2 Sensor Heater Circuit Malfunction
Cylinder 10 Contribution/balance Fault
Injector Circuit Malfunction - Cylinders
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 01123 Code

Inspect all the connections ignition coil 'a' primary 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

01123 Fault Code For Volkswagen Vehicles

The fault code 01123 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 01123 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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