VW Code 08858

08858 Description And Summary :
When you open secondary air injection pump-c-relay (j704), circuit open circuit It could be due to limited air getting through your air intake please check dtc memory of transmission ecu and wait then ignition coil 'l' primary control, circuit low is the final reason of the code.

08858 Possible Causes:

08858 vw fault code may be caused by one or more of the following:

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Cylinder 1 Injector Circuit Low
Fuel Temperature Sensor B Circuit Range/Performance
Timing Reference High Resolution Signal A Too Many Pulses
Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 08858 Code

Inspect all the connections controller for radiator exhaust oh run (j138), interruption / short-circuit after mass
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

08858 Fault Code For Volkswagen Vehicles

The fault code 08858 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 08858 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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