Mechanics

CAR DIES

1995 Mercedes Benz S420

The engine cuts off during acceleration and braking from lights and stop signs
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Nick2586
May 9, 2012.



Any warning lights on?

Tiny
Fixitmr
May 9, 2012.
There are no light that come on on the dash. I was driving it and while I was stepping on the brakes I was about half way down when the engine cut off and after I got it started again I stepped a lil on the gas and it died again. Once I got it started and rolling it wanted to die as I was slowing down.

Tiny
Nick2586
May 9, 2012.
Check for vacuum leaks and take a fuel pressure reading.

Tiny
Fixitmr
May 10, 2012.
These models are also known for engine wiring harness faults. And check that engine has good ground to car body. There's a ground strap on underside of engine. Best to get it checked out with 'star diagnostics'.

Tiny
Fixitmr
May 10, 2012.