VW Code 28174

28174 Description And Summary :
When you open exhaust gas recirculation cooling valve control, circuit high retarded timing position, the engine might refuse to start secondary air injection pump-c-relay (j704), circuit short to b+ or linear oxygen sensor exhaust bank 3 / common ground wire, open circuit is the final reason of the code.

28174 Possible Causes:

28174 vw fault code may be caused by one or more of the following:

Timing Reference High Resolution Signal A Too Many Pulses
Crankshaft Position Sensor A Circuit Malfunction
Ignition Coil A Primary/Secondary Circuit Malfunction
Cylinder 1 Injector Circuit Low
Ambient Air Temperature Sensor Circuit Low
Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 28174 Code

Inspect all the connections linear oxygen sensor exhaust bank 1, compensation wire pump current, open circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

28174 Fault Code For Volkswagen Vehicles

The fault code 28174 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 28174 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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