MERCEDES BENZ 420SEL ENGINE IDLE HIGH

Found 3 results

1987 Mercedes Benz 420sel High Engine Idle

My Car All Of A Sudden Has Started To Idle Real High. In The Range Of 1500 To 2000 Rpms. I Noticed The Thermal Vacume Valve Was Broke And...

Asked by dwarren1966 ·

2 ANSWERS

1987

MERCEDES BENZ 420SEL

Vacuum Leak Test and Repair

VIDEO

Vacuum Leak Test and Repair

Instructional repair video

Vacuum Leak

Discover the essentials of identifying and repairing vacuum leaks in your vehicle's engine with this comprehensive guide. Improve your car's performance and fuel...

1989 Mercedes Benz 420sel Rpms Too High

Engine Performance Problem 1989 Mercedes Benz 420sel V8 Automatic 150000 Miles The Engine Idles At 2200rpm In Drive. In Park It Will...

Asked by albert tabus ·

1 ANSWER

1989

MERCEDES BENZ 420SEL

Intermittent Idle

Engine Continues To Idle High For A Few Moments Then Idles Low For A Few Moments. But Runs Good On Open Highway.

Asked by steve sheriff ·

1 ANSWER

1986

MERCEDES BENZ 420SEL

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