How do I depressurize the fuel system on 86 Nissan D21 truck?

1986 NISSAN TRUCK
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BIGJSD
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86 Nissan D21 4x4 4cyl. I need to depressurize the fuel system to replace fuel filter.
Feb 28, 2012 at 2:28 PM
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RASMATAZ
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Is it a fuel injected engine?
Feb 28, 2012 at 2:30 PM
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BIGJSD
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Yes I think it has multi-port injection.
Feb 28, 2012 at 5:23 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Loosen the fuel filter and wait till it depressurized
Feb 29, 2012 at 2:25 AM
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