LINCOLN MARK V ENGINE SYMPTOM

My Lincoln Drives Like New Until I Stop For Red Light Or Stop Sign. Then The Idle Starts Up And Down Up And Down When In Gear. Much Worse...

When I Give The Car The Gas It Stalls For A Second Or So. Also, Engine Speed Goes Up And Down After It Warms Up.

Hello, I Hear A Deaf Noise As A Humming When I Accelerate. All Depend The Range Fo Speed Or Rpm. When Cruising, The Noise Can Be Heard...