1991 Mercedes-Benz 420SEL Questions
All 1991 Mercedes-Benz 420SEL Questions
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what is the voltage supposed to be on the fuel pumps
the car has not been cranked in 7 years I just bought it
When I am stopped at a traffic light. Oil pressure drops to number 2 and feels like cars gonna cut off. Also does a thumping noise and car vibrates. Put car in netural and it runs fine. Put it back in gear starts thum...
SAME ISSUE WITH THE CAR DIFFICULT TO START. HAD TUNE=UP CHANGE FUEL PUMPS (2). WANT TO CHECK AIR MASS FLOW ISSUES BY CHECKING THE SENSOR WIRE BEFORE MOVING ON.
Need to replace alternator belt
something warm up & it wont start
my 420sel idle high when in park but not when driving why
when driveing it idle well when stoping and putting in park it idle high
where do I spray starter fuel? how do I find air intake pocket?
Had old battery so replaced it with new one. Checked alternator and it is good. Will start with a jump and after freeway drive. Will not start after it sits overnight next day without another jump?
The light and buzzer works from any other door in the car