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Old 08-29-2003, 12:33 AM
unkl300d's Avatar
unkl300d unkl300d is offline
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Join Date: Jul 1999
Location: San Francisco, Ca
Posts: 2,275
Dealer sez...........I need your help

Well 4 months later and the car cuts out again twice. The dealer diagnosed it as follows:
"Road test verified complaint,basic engine test, fuel pressure test; diagnosis revealed fuel filter dirty, fuel pump, fuel pump relay, switch over relay faulty/compromised;replacement recommended for correction. No correction performed. Customer advised of vehicle condition. $140."

So, the fuel filter was changed about a year ago and less than
5000 miles ago. But I can accept that the filter is dirty due to some contaminant.
However, I figure my fuel pump is OK (original pump) but perhaps the relays may be bad.

I ask for opinions.
Which relay should I replace first? Both?, then also replace the filter and cross fingers that pump is OK??
OR is it about time to replace the pump also??? (112K miles).

I just wonder whether this apparent shot gun approach to replacing all items listed is genuine or malarky.

Your opinions are appreciated.

1979 300D 199 K miles
1995 C280 95 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles
1979 240D 140Kmiles (bought for parents) *SOLD.
1989 300SE 148 K miles *SOLD
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