Question about 2003 Dodge Dakota Club Cab

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I need to know what part needed for a Po440 Code?

I have a code Po440 which is Evap Control System Malfunction for a Dodge Dakota 2003, 4.7 Liter. Anyone know what part I might need Jeff O.

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  • Anonymous Mar 26, 2014

    PO440 CODE

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Most likely not a part. Make sure your vacuum supply to your leak detection pump is not disconnected. This is the cause 9 out of 10 times. If not, check for power and ground to the LDP, or the purge valve.

Posted on May 29, 2009

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Pontiac grand am I had a diagnostic reading at autozone for diagnostic codes po128,po440 and p1189 don't know what they mean for a 2003 Pontiac grand am gt 3.4 liter and v6 engine vehical


PO128 -- engine coolant low or thermostat not working
P0440 - EVAP system malfunction, gas cap loose - Cat convertors missing from car can cause this
P1189 - Engine Oil Pressure Switch Circuit -- CAT CONVERTORS MISSING FROM CAR can cause this.

Jan 28, 2015 | 2003 Pontiac Grand Am

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What is codes po128 ,po440 and p1189 for a 2003 ponyiac grand am gt 3.4 liter and v6 engune?


Oil pressure switch issue
Coolant temperature sensor issue
EVAP system issue
All different issues, so I suggest seeing a mechanic.

Jan 28, 2015 | 2003 Pontiac Grand Am

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Evap problem


code p0440 refers to EVAP system malfunction==causes hose connections---intake leak---EVAP canister purge valve

check for vacuum leaks (vents -auto control-manifold-brake booster etc). Check for cracked /loose hoses on the tank/filler neck

Sep 06, 2014 | 2002 Toyota Corolla

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Hello there,my 2001 echo is lighting up trouble codes p0440 p0441 p0446; how and where should i start?


code p0440 refers to evaporative emission (EVAP) system--malfunction=== causes --hose connections --intake leak--EVAP canister purge valve
code po441 refers to EVAP --incorrect flow detected==causes the same as for po440
code po446 refers to EVAP system vent control --circuit malfunction===causes --wiring---EVAP can purge valve--ECM
generally I would replace the purge valve as it is common to all codes

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Po440 evap emission control system malfunction


Code 440 is a general code for the EVAP system where a leak has been detected.
The computer vents the gas tank to the vapor canister while you are driving. It checks the components by pressurizing the system to check for leaks.
The problem could be the gas cap or another component.

Feb 13, 2013 | 2002 Buick LeSabre

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Service engine soon code po440 2002 chevy trailblazer


A code P0440 could mean one or more of the following has happened:
  • The gas cap is not installed or working properly
  • The purge solenoid has failed
  • The canister is plugged and not working properly
With a P0440 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:
  • Remove and reinstall the gas cap, clear the code, and drive for a day and see if the codes come back.
  • Inspect the EVAP system for cuts/holes in tubes/hoses
  • Inspect for damaged or disconnected hoses around the Evap purge solenoid
  • Check and/or replace the sensor
  • Check and/or replace the purge valve
  • Have a professional use a smoke machine to detect leaks
Get a new gas cap first to try.
thanks

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2003 Dodge Neon has a pp0340 , 440 codes I think


CODE PO340 NO CAMSHAFT POSITION SENSOR CIRCUIT FAILURE.CODE PO440 EVAP PURGE SYSTEM FAULT.POSSIBLE CAUSE THE EVAP PURGE VALVE VACUUM SUPPLY IS LEAKING OR CLOGGED.OR THE EVAP PURGE SOLENOID HAS FAILED.

Oct 12, 2009 | 2003 Dodge Neon

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I am blowing error codes P0442 and P0456, can i fix it myself


P0442 Evaporative Emission Control System Small Leak Detected
P0446 Evaporative Emission Control System Vent Control Circuit Malfunction

You should replace the VAPOR CANISTER PURGE REGULATOR.

Oct 03, 2009 | 2002 Dodge Dakota Club Cab

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I get a po440 and a po440 pd code


evap emission control system malfunction, po440

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2000 cavalier check engine light code po440


P0440 - Evaporative Emission (EVAP) System


evaporative emission (EVAP) system has a large leak.
Check the gas cap or vent valve. these are the most common problems.


The Powertrain Control Module (PCM) at different times performs various tests on the EVAP system. OBD II Enhanced EVAP systems are in place to keep fuel tank vapors from venting into the atmosphere, and instead purges them into the engine to be burned. Regular pressure tests are conducted by the PCM to monitor the sealed system for leaks. The PCM monitors the EVAP system pressure by watching the Fuel tank pressure sensor (FTP). When the sensor indicates a small leak in the EVAP system, this code is set.


Here are some additional causes.

* A small leak in any of the EVAP hoses or fuel tank hoses
* A small leak in the purge valve or vent valve
* The EVAP Canister may be leaking

Jun 06, 2009 | 2003 Chevrolet Cavalier

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