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P2187 VW Symptoms
Check Engine Light (CEL) Illuminating (w/ P2187 Fault Code)
Engine hard cold start
Engine misfires (P0300, P0301, P0302, P0303, P0304 Codes Specifically)
Rough idle
Poor engine performance
Whistling noise from the engine bay
Causes of P2187 Engine
Code for Volkswagen
Vacuum leaks (PCV Valve or hoses, leaking vacuum hoses)
Clogged fuel filter
Faulty O2 Sensor
Purge valve/solenoid stuck open
Faulty Mass Air Flow (MAF) Sensor
Clogged or failing fuel injectors
Faulty fuel pump
With all of the causes listed above, it can lead you to, “Well where do I start?”, which we don’t blame you frankly. We will say, the most common causes of this fault code occurring are going to be: PCV valve leak, faulty O2 or MAF sensors, and faulty fuel pump. So check those first and if all checkout, then begin going down the list above.