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Sorry, Bruce, in this case I don't know. It was done by a shop. For all I know the pump wasn't bad. They were troubleshooting the car's hestitant starting issues which they said was ultimately traced to the fuel pressure regulator. The shop said it the engine was fitted with a regulator for a 740T instead of the correct one. I had replaced this part myself 2 years earlier when the original one on the car started leaking at 130 K miles. I suppose its possible the local Volvo dealer sold me the wrong one....
I agree, the pump should last way longer than 70 K miles. Maybe it was an afermarket pump. Maybe today's alchohol fuels are hard on them. Maybe the shop never did replace the pump. Indeed, when I finaly got in there and took the "replaced" pump out, its solder connections looked factory-quality. Or maybe the shop was very good at soldering... There was no Volvo logo on the pump I replaced, just a string of numbers which I neglected to write down.
Regards
Bill
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