Diagnosis: P2195 01/04, P2197 02/04, Po171 03/04, Po174 04/04
230

Asked by wm2082col May 27, 2013 at 07:46 PM about the 2004 Mercury Grand Marquis LS Ultimate

Question type: Maintenance & Repair

What is the Problem???

2 Answers
48,655

kbro answered 10 years ago

yes as tennisshoes said check for vacuum leaks.

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