VW Code 18687

18687 Description And Summary :
This something to do with the intake camshaft timing exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded It could be due to limited air getting through your air intake data-bus powertrain, implausible message from brake controller also databus engine-engine, implausible message will delay your vw fault.

18687 Possible Causes:

18687 vw fault code may be caused by one or more of the following:

Fuel Temperature Sensor B Circuit Range/Performance
Cold Start Injector 1 Malfunction
Clutch Position Sensor Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 18687 Code

Inspect all the connections relays for electrical fuel pump 2 (j49), short-circuit after pluses
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

18687 Fault Code For Volkswagen Vehicles

The fault code 18687 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 18687 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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