Author Topic: fuel pressure regulator  (Read 1009 times)

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August 27, 2016, 05:08:51 PM on

Offline Kingbob (OP)

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what exactly does the fuel pressure regulator do on a 885i please
because there is conflicting info on the net
thanks bob

August 28, 2016, 12:39:37 PMReply #1 on

Offline Kingbob (OP)

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August 29, 2016, 11:35:22 PMReply #2 on

Offline PeteH

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I`m at a loss to how it all works...thought mine was fooked so bought a new one and the problem persisted, it was nowt to do with the regulator, but if you need one to try out my old ones sitting in the kitchen...
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August 30, 2016, 10:00:06 AMReply #3 on

Offline Bixxer Bob

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It controls the pressure of fuel in the injector rail.  The injectors are calibrated to deliver a measured amount of fuel based on a specific pressure.  Too high pressure and it will be rich, too low, weak or not run, but see my post on your other thread.

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