E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

w124 - 200E WHAT HAPPEN WHEN ENGINE IS VERY HOT

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Old 07-15-2012, 10:23 PM
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Mercedes 200E 1991
w124 - 200E WHAT HAPPEN WHEN ENGINE IS VERY HOT

Dear all,
I have a garage and W124 - 200E (1992) is my lovely car.
Its very good condition, all functions are working. Engine runs smoothly.
Some days ago, I couldn't start when engine is very hot (cooling teperature 95 C and getting higher when stoping) even accelerating pedal on floor. Engine cranks and quite many time.
I just open one line of gasoline distributor a little, engine start up immediately. Other time when I regulate for richer gasoline, engine start up too. With cool engine, there is not any problem.
Do you have any idea.
For a long time, the Idle Speed Valve does work when Engine is very hot (idle speed is getting higher)
I have changed fuel pump and filter.
Thanks and regard.
Old 07-20-2012, 12:16 AM
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Mercedes 200E 1991
Maybe problem has been solved with richer gasoline.
I am sure that when Engine is getting very hot, the mixture of Gas/Air is getting very lean

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