I had my wife check the fuel pump cycling by turning the key off and on and it does make it's noise.

I am wondering if a fuel pump relay can work in the key cycling but then fail as it gets warm?

Does a fuel pump do this?

Haasman

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'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)