MERCURY MARQUIS ENGINE SYMPTOM

Mercury Grand Marquis, 4.6 Engine. Car May Sit For A Day Or Two Before Use. Cranks And Idles Ok. Will Skip And Hesitate For The First...

Recantly Tuned It Up With Plugs And Boots Replaced With Motorcraft Plugs. I Also Changed Antifreeze And Thermostat. Runs Rough Untill It...

My Father In Law Has A 2001 Mercury Grand Marquis With 89000 Miles. The Car Will Start Up Without Any Problem, But Then Dies When You Put...

Have Taken 2 Recent Trips Of 500 Miles. When I Get To Around 300 Miles, The Car Starts Bogging Down And Will Not Go Over 45 Mph. It Will...

Lowest Idle Speed Obtainable Is 800 To 850 Rpm Hot In Neutral. Idle Speed At Rest In Gear 650 To 700. Idle Speed Always Increases When...

Engine Performance Problem 1994 Mercury Marquis V8 Wheel Drive Type Unknown Automatic 90025 Miles I Just Recieved My Car From A...

Have A Weird Issue That Has Been Going On For Over A Year. My Car Makes A Sound Like A Tuba Randomly. I Never Know When It Is Going To...

Abs Brake Light On Now Was Going Off And On. Transmission Shudders Going Up Slight Hill. Can These Be Related Or What Might Be Problem? It...

Revs High When Put In Park.

My Problem Is Between 45-50 Mhp The Car Stutters And Skips When The Rpm's Are Low. If I Accelerate Normal Or Slower The Problem Occurs. If...