Question about 2001 Dodge Durango

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WHAT IF THE NVLD IS NOT GETTING CURRENT?

I HAVE A P0440 DID THE SMOKE TEST NO LEAKS MECHANIC SAID THAT THE NVLD WAS NOT GETTING ANY CURRENT TO IT. WHAT CAN I CHECK NOW

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  • Dodge Master
  • 75,822 Answers

NLVD I'm not familiar with this acronym.

Posted on May 07, 2014

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1 Answer

What should be done after P0440 evap .malfunction repeatedly causes engine light to come on?


Smoke test is pretty normal to find leak..we use it for any evap we can't find ...could b as easy as has gas cap seal...

Aug 31, 2014 | 2001 Toyota Echo

1 Answer

2003 DURANGO NVLD NOT GETTING ANF POWER. COULD THERE BE A SHORT OR SOMETHING ELSE WHAT TO DO NEED HELP.


You need to go back to the shop & have them continue on
& test the evap system & nvld

You do not change parts based on codes or someone
telling you there is no power to a part

You were told there was no power to the part & the shop should have done the necessary testing to restore it

May 07, 2014 | 2001 Dodge Durango

1 Answer

I have have a 2003 dodge durango and I have had a smoke test done with no leaks the mechanic said it has no power to the NVLD how do I check this


Hi Richard, I'm glad to help. The mechanic is the only one that can check power to the NVLD Pump because it must be actuated with the scan tool to check power. Check for a broken wires or a pin pust out on the NVLD connector. If you don't know what fuses to check then turn the key on and with a test light check all the fuses under the hood. If they are all good then you'll need it checked out further by a certified mechanic. If you do find a fuse blown and it turns out to be the one for the NVLD then replace the pump because its most likely the culprit that blew the fuse. Hope this helps and have an awesome day Richard.

May 07, 2014 | 2003 Dodge Durango

1 Answer

Code p0440


Code 440 is for a general leak found in the gas tank venting system. The computer vents the gas tank to the vapor canister when the engine is running. The most common reason is a faulty gas cap, but it could also be a valve or hose.
A mechanic would need to test the EVAP system for leaks.

May 18, 2013 | 1997 Chevrolet Cavalier

2 Answers

P0440 code


Causes 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
Possible Solutions 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

Dec 08, 2010 | 2004 Lexus LS 430

1 Answer

I am getting P0440 EVAP Control System Malfunction for my Buick Century 1999 and need to know how to fix it thanks


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

Possible Solutions: 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

Keep us updated.

Nov 15, 2010 | 1999 Buick Century

1 Answer

We recently purchased a kia sportage used. We had serveral misfires codes. We replaced plugs wires coils and did a valve cover gasket on it. The car runs great now and none of these engine codes have...


p0440 is evaporative emmision control malfunction. check for disconnected hoses and electical connectors. while performing the work you mentioned, you might have inadvertently disconnected something. if there is a very small leak, then a piece of test equipment known as a smoke machine is used to pump smoke through the system to detect leaks. there is a test port in the engine compartment that has a green cap and is labeled evap test port, max 3 psi. make sure your gas cap is on tight. this is also part of the evap system. the evap system controls fuel fumes from the gas tank by venting them through a filter. are there any other codes? if your code reader is an inexpensive model you might just get general system codes.

http://www.troublecodes.net/OBD2/Pcodes.shtml

Mar 10, 2010 | Kia Sportage Cars & Trucks

2 Answers

Engine light on PO441, PO344 and PO440 were the codes that came up. 2003 PT cruiser


P0440 and P0441 are refering to the NVLD pump. It is in the rear on the right side up near the fuel tank. P0344 is your cam position sensor on the rear (drivers side) of the cylinder head. The P0440 and 441 are probably why the check engine light is on and the 344 was stored from a previous event. Either way they are two different and unrelated problems. The NVLD (natural vacuum leak detection) pump is an emission item with no effect of the way it runs however it will keep the engine light on. The cam sensor will keep it from starting or intermittently run bad and not necessarily turn the light on. Both parts are easy to change. I hope this helps.

May 19, 2009 | 2003 Chrysler PT Cruiser

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