Mechanics

I NEED HELP TO FIND OUT WHY MY CAR WONT RUN PROPERLY?

1977 Mercedes Benz 420sel • 53,000 miles

Can you help me find out what is wrong with the fuel system/air pressure mixture. Thanks.

very nice car.450 SEL -US Model. Only done 53,000 miles!
The car starts and idles for a while but will not rev up.
-it stalls when the throttle is applied have replaced the fuel pump, regulator, filters etc.
Avatar
Walter Martin
October 11, 2011.




Check the throttle position sensor. Check for major vacuum leaks.

Thanks very much for that!
-how would I check for major vacuum leaks?

Tiny
Walter Martin
Oct 11, 2011.
Go to our homepage under the DIY section for directions.
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