we have an 95 s280, it refused to start the other day, anyway... the diagnosis was a failing fuel pump... coz it started when we tapped on the fuel pump assembly underneath, near the right passenger area...

so... is this a sure sign of pump failure OR just relay trouble? how do i isolate the problem?

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85 190E 2.3(SOLD)
86 230E (-->300D) sold
87 300D (-->300TD) sold
68 250S w/ a 615 and manual tranny (RIP)
87 300TD (SOLD)
95 S280 "The KRAKEN" (Turbo 2.9 602 transplant) traded
86 190E 2.3... current project