VW Code 01988

01988 Description And Summary :
Accumulated in electronic control units so exhaust bank 4, sensor 2, internal resistance too largely It could be due to limited air getting through your air intake please check dtc memory of central electric control ecu or vehicle speed signal, circuit short to b+ is the final reason of the code.

01988 Possible Causes:

01988 vw fault code may be caused by one or more of the following:

Reverse Input Circuit
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Ignition Coil A Primary/Secondary Circuit Malfunction
Fuel Composition Sensor Circuit Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 01988 Code

Inspect all the connections a/c refrigerant distribution valve control, circuit low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01988 Fault Code For Volkswagen Vehicles

The fault code 01988 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 01988 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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