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equality72521 equality72521 is offline
sudo apt-get purge 930
 
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Join Date: Jul 2006
Location: Brandon, FL
Posts: 4,840
They run together. The front pump primes the rear pump so to speak. Both run continually so long as air is flowing past the metering plate. The only pressure regulation is the WUR. The front pump has a built in check valve and there is a fuel accumulator in the engine bay to maintain system pressure when the engine is off.
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Mark 1979 930 Euro ***GONE AND DON'T MISS IT AT ALL***

"Worrying about depreciation on your car and keeping mileage down is like not ****ing your girlfriend so her next boyfriend finds her more appealing"
--clutch-monkey
Old 05-23-2008, 05:34 AM
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