Altima 2.5 SL L4-2.5L (QR25DE) (2002)
At idling: Approximately 350 kPa (3.7 kg/sq.cm, 51 psi)
9. If result is unsatisfactory, go to next step.
10. Check the following.
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Fuel hoses and fuel tubes for clogging
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Fuel filter for clogging
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Fuel pump
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Fuel pressure regulator for clogging
If OK, replace fuel pressure regulator.
If NG, repair or replace.