MERCURY MARQUIS TROUBLE CODE

My Air Bag Light Blinks Once Then A Pauses, Then Blinks Twice, Which Is A Code 12. How Can I Fix This Problem?

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

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...

My 1996 Mercury Marquis V8 Starts Fine. If You Give It More Gas Than An Idle. It Accelerates Fine, But When You Let Off The Gas It Dies...

I Recently Had The Po 420 Code Show Up On My Grand Marquis. I've Replaced The Downstream O2 Sensor On Bank One. It Didn't Fix The Problem...

Code P0430 Keeps Engine Light On All The Time. Have Been Told By Others It Is A Bad Ox Sensor And Won't Do Any Harm. Is This True? And...

It Started As Codes P0305, P0307. Misfires On Cylinders 5 And 7. I Purchased New Coil Packs For The Two Cylinders And New Plugs For All 8...

Could Not Smog Car Because P0174 Code. Took It To A Mechanic (ford Doctor). He Replaced The Intake Manifold. ( I Know The Story) Gorman Made...

Replaced O2 Sensor Bank 1, #2. Reset. After 100 Mile Drive And 2-3 On Cycles Problem Came Back. Reset Again And Problem Comes Back. Checked...

Engine Performance Problem 1997 Mercury Marquis 6 Cyl Automatic 94000 Miles Car Runs Rough At Idle, Difficult To Stay Running, Mil...