[Rubichic]

Hello.. my 280sl hesitates and misfires when warm it is almost un driveable. Fuel pump and filter have been replaced,but pump buzzs could the accumulator be blocked?

 

[nobby]

Any black smoke?

 

[nobby]

What year 280SL?

 

[Rubichic]

What year 280SL?

It's a 1983... Yes plenty smoke

 

[nobby]

BLACK smoke?

 

[nobby]

BLACK smoke....I'll bet money on the Warm Up Regulator...or harness.