1977 Mercedes Benz 420sel Repair Question
Topics covered: Vacuum leak, Fuel pump, Sensor.
Mileage: 53,000 miles.
Mileage: 53,000 miles.
Asked on October 11, 2011
Can you help me find out what is wrong with the fuel system/air pressure mixture....or why my car wont run properly? 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.
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.
Asked by Walter MartinAnswer
Replied on October 11, 2011
Check the throttle position sensor. Check for major vacuum leaks.
Replied on October 11, 2011
Thanks very much for that!
-how would I check for major vacuum leaks?
Replied on October 11, 2011
Go to our homepage under the DIY section for directions.