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Engine Controls - Remove/install/overhaul: Other Nissan Altima U13

Removal & Installation 2 illustrations ~139 words

CRANKSHAFT POSITION SENSOR

Note. The crankshaft position sensor is located inside the distributor.

FUEL SYSTEM

WARNINGAlways relieve fuel pressure before disconnecting any fuel injection-related component. DO NOT allow fuel to contact engine or electrical components.

FUEL SYSTEM PRESSURE RELEASE

  1. Remove fuel pump fuse No. 3 from fuse/relay panel located under access cover at lower left side of dash. (Scheme 6)
  2. Start engine and allow to run until fuel is exhausted and engine stalls. Crank engine an additional 2 or 3 times to verify all pressure has dissipated. Turn ignition off. Install fuel pump fuse.

Scheme 6

Scheme 6

FUEL PUMP

Note. Fuel pump is located in fuel tank. (Scheme 7) If vehicle is not equipped with a maintenance access cover for fuel pump service, remove fuel tank.

Scheme 7

Scheme 7: FUEL PUMP

FUEL RAILS & INJECTORS

Note. For installation referencr, label wiring harness and fuel lines prior to disconnecting. Also note direction of injector electrical connectors for installation reference.