VW Code 15304

15304 Description And Summary :
When you open intake manifold runner control, upper stop not reached run rough, or might suddenly stall at any given speed secondary air injection pump-c-relay (j704), circuit short to ground you can see the coolant circulation pump relay (j151), short to b+ is the final reason of the code.

15304 Possible Causes:

15304 vw fault code may be caused by one or more of the following:

Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Crankshaft Position Sensor A Circuit Low Input
Fuel Rail Pressure Sensor Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 15304 Code

Inspect all the connections evaporative emissions (evap) fuel vapour temperature sensor, performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

15304 Fault Code For Volkswagen Vehicles

The fault code 15304 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 15304 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

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