1997 NISSAN TRUCK WHAT IS PROMBLE IF CODE IS P0446

  • Tiny
  • rsnell
  • 1997 Nissan Truck

1997 Nissan Truck 4 cyl Four Wheel Drive Manual 140000 miles

what is promble if code p0446 shows

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Saturday, March 29th, 2008 AT 12:22 AM

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  • Tiny
  • rasmataz
  • Member

P0446 Evaporative System problem see below

Check for the following conditions:

* A loose, missing, damaged, incorrect or improperly installed fuel cap
* Missing or damaged O-rings at EVAP canister fuel vapor and purge line fittings
* A cracked or punctured EVAP canister
* Incorrectly routed or damaged EVAP system purge and vapor lines
* A damaged or disconnected EVAP purge line, vent hose or fuel tank vapor line
* A stuck closed EVAP vent valve
* A restricted or stuck closed fuel tank rollover valve
* A poor connection at the VCM: Inspect the harness connectors for the following conditions:
* Backed out terminals
* Improper mating
* Broken locks
* Improperly formed or damaged terminals
* Poor terminal to wire connection
* A damaged harness - Inspect the wiring harness to the EVAP vent solenoid, EVAP purge solenoid and the fuel tank pressure sensor for an intermittent, open or short circuit.
* A kinked, pinched or plugged EVAP purge, or fuel tank vapor line - Verify that the lines are not restricted.

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Saturday, March 29th, 2008 AT 7:07 AM

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