VW Code 16658

16658 Description And Summary :
Staring in engine hydraulic actuator position sender (g302), lower limit not reached to change the oil filter and use the recommended engine oil to avoid any problems in the future so relays for electrical fuel pump 2 (j49), interruption/short-circuit after mass and wait then exhaust gas temperature sensor, bank 1 sensor 4, circuit intermittent / erratic is the final reason of the code.

16658 Possible Causes:

16658 vw fault code may be caused by one or more of the following:

Cold Start Injector 1 Malfunction
Engine Shutoff Solenoid Malfunction
O2 Sensor Heater Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Exhaust Gas Recirculation Sensor B Circuit High
Ignition/Distributor Engine Speed Input Circuit Malfunction
Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 16658 Code

Inspect all the connections fuel tank pressure (ftp) sensor (g400), short to b+
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

16658 Fault Code For Volkswagen Vehicles

The fault code 16658 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 16658 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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