Mercury Marquis P Codes (Powertrain) P0300 - P0399

Browse Mercury Marquis P Codes (Powertrain) P0300 - P0399 questions and answers. Choose a question that matches your symptoms.

2 discussions

Code P0357?

2004 MERCURY MARQUIS

I Installed A New Spark Plug After It Blew Out Of The Engine Cylinder Head Like The 4.6 And 5.4 Ford Engines Are Known For. I Used A Heili...

1 ANSWER

Asked by Petparent

1996 MERCURY MARQUIS

Code P0308 Is Showing. I Changed The Spark Plugs, Wires, Pvc Valve, Valve Cover Gasket, Ignition Coil. When I Accelerate The Car Shutters Or...

2 ANSWERS

2 IMAGES

Asked by BIGFLAVV

Browse by repair topic

Can’t find your issue?