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EVAP code 1447 96 nissan pickup

I have been fighting this truck for 3 years and getting close but no cigar. EVAP code 1447 sucks ( does not pinpoint problem ) It started with charcoal canister explosion(Thanks nissan) .I cleaned the lines, checked the pressure sensor, it was giving a bad reading so I changed it . All of the solenoids have passed the component checks .also canister vent valve /solenoid works as advertised. all electrical has been checked , voltage & to the computer. I even gave nissan a chance( for a month) and they just changed a O2 sensor and the evap metering solenoid (which didn;t need to be changed and didn't solve the problem). I did break the evap vacuum cut valve while I was working on it today ,so I decided to check it since it was out, and it failed , but solenoid for this valve checks out ok.

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  • rj olney Dec 16, 2008

    Well finally,I found out what was causing the 1447 code on the nissan truck. I had to replace the vacuum sensor with the same part # sensor.( the after market kind didn't have the same readings as the OEM) so it threw a 0443 code after that ,which is the purge solenoid. then you need to check and see if the vacuum hoses are on the right way. the diagnostic breakdown for the purge solenoid operation on alldata shows how it works .I simpley switched the hoses so the purge valve would operate correctly .NO MORE CODES

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2 Suggested Answers

  • 1861 Answers

SOURCE: 1996 Toyota Previa code p0441

P0441 is Evap Emission Incorrect Purge Flow; the repair you are describing is easy, and should correct the P0441 restricition...I would anticipate no large problems.

Posted on Oct 07, 2008

csmock132
  • 4669 Answers

SOURCE: check engine light continues to be lit.

What code number do you have or do you have 3?

Posted on Mar 25, 2009

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3 Answers

WHAT DOES FAULT CODE P1446-00 MEAN


older nissan? evap canister purge fault. check for loose or rotten/disconnected vacuum hoses before testing the vapor canister purge valve.
25439609-xipalmoknr3fbjmp51kycajc-2-0.jpg The charcoal canisters also clog up. Do some diagnosing before you go changing parts.

Feb 16, 2015 | Cars & Trucks

1 Answer

I have a 1997 Nissan Pickup XE L4 2.4 vin S 2389cc KA24E Fi MFI GAS SOHC got a code p0110 and also p1447 just replaced the MAP sensor and TPS Fuel filter and EVAP i checked w/ OBD came up w/ IAT ...


The IAT sensor is located in the air filter case on top of the throttle body. If you remove the air filter you can see it on the left side of the case on the bottom. It connects from underneath and the connector can easily be damaged if you are not careful when removing the lower part of the air filter housing from the throttle body. If you replaced the MAP sensor you may have damaged the connector or pulled a wire loose.

The p1447 problem indicates a leaky evap system which could be as simple as a bad gas cap or as in my case a bad evap canister and vacuum canister cut/bypass valve.(http://ww2.justanswer.com/uploads/fixurnissan/2012-02-04_230002_1.pdf)

If your evap canister has ruptured then your evap lines will be full of carbon pellets. You will need to disconnect each end (evap canister line towards front) and evap canister purge line towards the rear and blow out these lines with compressed air. Once they are clear replace the evap canister and check the vacuum canister cut/bypass valve as described in the link. If you fix this your self you will save close to $1000 as opposed to what a dealer would charge to fix this problem.

Oct 27, 2013 | 1997 Nissan Pickup

1 Answer

What does code p1447 mean ...???


The code says "evap purge flow monitor fault"
Possible causes include ...
- EVAP canister purge volume control solenoid valve stuck closed.
- EVAP control system pressure sensor and its circuit.
- Loose, disconnected, or improper connection of rubber tube.
- Blocked rubber tube.
- Blocked or bent rubber tube to MAP/BARO switch solenoid valve.
- Cracked EVAP canister.
- EVAP canister purge volume control solenoid valve.
- Closed Throttle Position Switch.
- Improper connection of one-way valve.
- Blocked purge port.
- EVAP canister vent control valve.


This is a "jackpot" code. It points to so many possible causes as to be almost useless.

Feb 15, 2013 | 1996 Nissan Maxima

1 Answer

I have nissan xtrail 2005 code p1446 what is my problem


Trouble Code: P1446

EVAP Canister Vent Valve Malfunction (Closed)

Possible Causes:


EVAP canister vent control valve is damaged or has failed.EVAP canister vent control valve rubber tube is blocked.EVAP control system pressure sensor is damaged or has failed.EVAP water separator is damaged or has failed.EVAP canister is saturated with water.Click here to see the suspected parts to check out.

Jan 29, 2013 | 2005 Nissan X-Trail 2.5i

1 Answer

Evap code for 1996 Nissan pickup


All you have been doing is clearing the check light on dash &
clearing the obd codes,not diagnosing anything related to
the codes or trying to solve the problem

The Evap Monitor will run when ever it should, based on how
that is programmed into the vehicles computer,no need to drive
80 miles or any miles

You should have a codes for the Evap Problem, if you stop clearing them & that also has nothing to do with an EGR Issue

Oct 17, 2012 | 1996 Nissan Pickup

1 Answer

My 20002 nissan maxima came up with a codepo4055 evap control leak detected new gas cap did nothing to fix problem


this fault code would indicate you have a large evap system leak.most often sets from a fuel cap not secured.since thats not the case i would bet its the vent control valve on the evap canister sticking open.evap leaks can actually be cheaper to fix if taken to a pro or dealer with bidirectional scan tool and smoke machine to pinpoint leak.the darts get fairly expensive on evap codes.if it turns out to be the valve expect about 250.0 0for diagnosis, the part and the repair. let me know how it turns out.

Apr 18, 2011 | 2002 Nissan Maxima

1 Answer

Missing at low rpm,s and trying to flood # 3 & 4 clyinders


I have fix this problem before it was my boss truck the problem was with the intake leak it was sucking air trow the intake try get a piece or hose and get close to the intake and see if your heard some sucking noise and also I did replaced the mass air flow sensor was bad and is on top of the electronic carburator injectors but when the air flow sensor is bad your truck don't seems to be stable at low rpm's and they do the same thing with an intake air leak so look for those 2 problems you may have only 1 of this cyntom but 1 is enough

Mar 27, 2009 | 1997 Nissan Pickup

5 Answers

Diagnostic code P0456 for 2003 Dodge Ram 1500 5.7


P0456 = EVAP Emissions Control System Leak Very Small

Is the gas cap on tight or is the seal damaged? If it needs replacement, get it from the dealer.

Aug 22, 2008 | 2004 Dodge Ram 1500

1 Answer

Swirl Valve


I have been working on a 96 nissan truck for three years for an evap code and swirl control , I finally just made sure the swirl control solenoid operated properly then disconnected the vacuum hose from the swirl control actuator and plugged it . code fixed.been driving 3 months, no code

Aug 07, 2008 | 1996 Nissan Pickup

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