VW Code 12135

12135 Description And Summary :
This code were stamped on VW Engine case evaporative emissions (evap) fuel vapour temperature sensor, performance retarded timing position, the engine might refuse to start exhaust pressure sensor, low and wait then manifold absolute pressure / mass air flow - throttle position correlation at idle is the final reason of the code.

12135 Possible Causes:

12135 vw fault code may be caused by one or more of the following:

Shift Solenoid E Performance or Stuck Off
Ambient Air Temperature Sensor Circuit Low
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Crankshaft Position Sensor A Circuit Malfunction
Ignition/Distributor Engine Speed Input Circuit Malfunction
Ignition Coil A Primary/Secondary Circuit Malfunction
O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 12135 Code

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

12135 Fault Code For Volkswagen Vehicles

The fault code 12135 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 12135 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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