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1997 Mercedes Benz S420 Repair Question


Topics covered: Gas, Fuel pressure, Fuel pressure gauge.
Mileage: No information provided.

Asked on January 15, 2011

S420 mercedes benz

How to start after it runs out of gas
Avatar Asked by s420 mercedes

Answer

Replied on January 15, 2011

In tank/electric fuel pumps are cooled and lubricated by the fuel in the tank. When you run a car out of gas, it pumps a lot of air through the pump which overheats it and causes some severe wear and many times, failure when they cool off.
You will need to use a fuel pressure gauge to verify this

Tiny Answered by Wrenchtech (expert)
14,747 answers provided