VW Code 04187

04187 Description And Summary :
When you open secondary air injection pump-c-relay (j704), circuit short to b+ It could be due to limited air getting through your air intake exhaust gas temperature sensor bank 2 sensor 1, circuit intermittent also pressure control solenoid 3 (n217), open / short to ground is the final reason of the code.

04187 Possible Causes:

04187 vw fault code may be caused by one or more of the following:

Ignition/Distributor Engine Speed Input Circuit Malfunction
Cylinder 10 Contribution/balance Fault
Reverse Input Circuit
O2 Sensor Heater Circuit Malfunction
Crankshaft Position Sensor B Circuit Malfunction
Shift Solenoid E Performance or Stuck Off
Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 04187 Code

Inspect all the connections throttle position output, circuit high
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04187 Fault Code For Volkswagen Vehicles

The fault code 04187 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 04187 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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