Mazda MPV This minivan was among the class leaders with its roomy interior and efficient powertrain.

MPV Fuel Line Relief Valve??

Old 03-19-2008, 12:41 PM
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Default MPV Fuel Line Relief Valve??

I need to replace the fuel pump, because it works intermittently, so where is the relief valve? The fuel system is normally under pressure; where is the valve located? I cannot find a repair manual for my 2000 MPV, soI appreciate any and all responses.
Old 04-15-2008, 03:27 AM
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Default RE: MPV Fuel Line Relief Valve??

The only relief/check valve I am aware of is in the fuel recovery system.Usually if the vehicle has sat for a few days, most of the pressure is relieved. Or simply crack a line and release the pressure slowly that way.
Protect your eyes and use a drain pan.

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