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#1

Old

09-23-2001, 10:16 PM

rathre

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Posts: n/a

Fuel pump?

I have a 91 300SEL with 113000 miles. Recently (1 month or so) I have noticed that the car makes a loud humming noise while running. The noise starts when I crank the engine over and is present on the last position of the ignition switch before the engine cranks. I tracked the noise and the noise seems to be coming from the passenger rear area. Fuel pump gone???

Should I replace ASAP or can I wait?
Other diagnostic checks?

Instructions on how to change the fuel pump if this is the culprit would greatly be appreciated!!!
Thanks.

Raghu
91 300SEL 113000mi

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