Mechanics

FUEL PRESSURE

2000 Mazda MPV

Engine Performance problem
2000 Mazda MPV 6 cyl Front Wheel Drive Automatic 165000 miles

lacks power installed fuel pressure gauge pressure varies from 60 psi to 20 psi under load needle on fuel gauge just keeps jumping around have already changed fuel pump same thing
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Ej71
March 19, 2010.



Fuel System Pressure Fuel line pressure 0.38-0.42 mpa (55-61 psi)
Fuel hold pressure 0.176 mpa (25.5 psi)

Check and test the fuel pressure regulator, fuel pressure control solenoid and fuel pressure pulsation damper-

Rasmataz
Mar 19, 2010.