Question about 1997 Nissan Maxima

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Where is the evap on 97 maxima

P0446 problem

Posted by Anonymous on

4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

thutson66
  • 96 Answers

SOURCE: O2 sensor and EVAP issues

P0446 is Aux Emission Control
P0132 Fuel Air Metering

The Evap Canister is located in the fender well, if I am not mistaken and the B1S2 is the O2 sensor is the second O2 sensor on the left side of the engine if your looking at it from the front of the motor.

Posted on Aug 23, 2008

  • 1 Answer

SOURCE: code p0446 1997 nissan maxima

how did you fix your p0446 code?

Posted on Feb 04, 2011

ZJLimited
  • 17970 Answers

SOURCE: where is the evap canister located on a nissan

SQUARE CANISTER
(see Figures 3 and 4 / click image for zoom)

zjlimited_1446.jpg

Fig. 3: Evaporative emission canister port identification-square canister

zjlimited_1447.jpg

Fig. 4: Evaporative hose detail

  1. Visually inspect the exterior of the canister for damage, and replace as necessary.
  2. Label and disconnect all vacuum and vapor lines.
  3. Inspect the lines for damage, and replace as necessary.
  4. Inspect the canister for damage, and replace as necessary.
  5. Pinch the fresh air vent hose.
  6. Blow air in Port A and check that it flows freely out of Port E .
  7. If air does not flow as specified, the canister may be defective.
Hope helps.

Posted on Jun 18, 2011

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P0446 Evaporative Emission Control System Vent Control Circuit Malfunction The code P0446 is set when the engine computer recognizes a fault or restriction at the vent control part of the Evaporative emission control system (EVAP). The description of the fault varies between different car manufacturers, but one thing is common, the code P0446 doesn't directly point to a defective part; some testing might be required to pinpoint the faulty component. What can cause the code P0446: - faulty vent control valve - blockage at the vent hose, vent filter or vent control valve - open or short in the vent control valve circuit - bad charcoal canister - EVAP system leak - faulty EVAP system pressure sensor - bad vacuum switching valve (VSV) - stuck open purge valve (solenoid)

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Hi, your vent valve has malfuntioned. The vent valve is near the tank, and has a hose to the tank and a solenoid to close it. Check the wiring/connector. If OK, try applying 12 volts directly to the solenoid. If it does not click when voltage is applied, replace the solenoid/valve.

P0446 Evaporative Emmission Control System Vent Control Circuit OBD-II Trouble Code Technical Description

Evaporative Emission Control System Vent Control Circuit Malfunction
What does that mean? Evap vent valve has only one purpose. It closes in order to seal the vent so the EVAP system can pressurize and ensure there are no leaks. Evap vent valve is usually supplied Batt. voltage with key on. The ECM's driver controls the ground, and when grounded, activates the valve (closing it). If the ECM detects a short to ground, and open,or a short to battery voltage on the control circuit, P0446 will set. Code also may refer to ECM detecting that EVAP system is unable to achieve or maintain vacuum during test.
Symptoms There will be no obvious symptoms to driver, other than MIL illumination.
Causes A code P0446 could mean one or more of the following has happened:

  • Faulty vent valve
  • Open, short or excessive resistance on Vent valve control circuit
  • Blockage of vent valve
  • Bad PCM
Possible Solutions With a P0446 OBD-II trouble code, here are some things to try:
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  • Repair open, or short, or resistance problem in power circuit
  • Replace PCM

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the code p0446 is for evap canister vent control valve circuit is faulty. may need to replace it.

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O2 sensor and EVAP issues


P0446 is Aux Emission Control
P0132 Fuel Air Metering

The Evap Canister is located in the fender well, if I am not mistaken and the B1S2 is the O2 sensor is the second O2 sensor on the left side of the engine if your looking at it from the front of the motor.

Aug 21, 2008 | 1997 Nissan Maxima

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