Nissan Error Code P0440
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Difficulty Level:3/3 | Add Comment http://www.autocodes.com/p0440_nissan.html Forum Code Possible causes - Missing or loose fuel cap- Incorrect fuel filler cap used- Fuel filler cap remains open or fails to close- Foreign matter caught in fuel nissan p0446 filler cap- EVAP canister or fuel tank leaks- EVAP system hose leaking- Fuel tank leaking p0440 nissan maxima 2001 What does this mean? Tech notes The P0440 code means that the control module has detected a leak in the Evaporative Emission (EVAP). Loose fuel p1448 nissan tank filler cap is the most common cause that triggers the P0440 code.There is an Nissan Service Bulletin to help diagnose the P0440 code:Nissan OBDII Code P0440 What does this mean? When is the code detected?Malfunction is detected when
P0440 Nissan Frontier
EVAP control system has a leak, EVAP control system does not operate properly. Possible symptoms- Engine Light ON (or Service Engine Soon Warning Light)- Possible a noticeable fuel odor caused by the release of fuel vapors P0440 Nissan Description The Engine Control Module (ECM) tests the Evaporative Emission (EVAP) system for the following conditions:- Large and small leaks- Excess vacuum- Purge flow during non-commanded conditions- Fuel Level and Fuel Pressure sensor faults- EVAP Purge and Vent Valve faultsThe ECM monitors p0440 nissan maxima 1997 the Fuel Tank Pressure sensor in order to determine the level of vacuum/pressure in the EVAP system. The ECM commands both the EVAP Purge Solenoid and the EVAP Vent Valve ON when the conditions are met in order to apply an engine vacuum to the EVAP system. The ECM commands the EVAP Purge Solenoid OFF once the system has reached a predetermined level of vacuum. This test verifies if a vacuum can be achieved in the EVAP system. Failure to develop a vacuum may be caused by a large leak or a restriction. Need more help? Do you need more help with the P0440 Nissan code? Ask a question to our users or find an automotive repair shop near you to help fix the OBDII code Ask a Question Find a Shop Related Information Help AutoCodes.com Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P0440 Nissan code? Have you replaced any parts? Any information is appreciated. Thanks Please enable JavaScript to view the AutoCodes.com Powered by Disqus. AutoCodes.com Comments Powered by Disqus Repair Importance Level: 1 1=Low 2=Medium 3=High Repair Difficulty Level: 3 1=Easy 2=Moderate 3=Hard AutoCodes.com FREE Android App Search Codes By Make Acura Audi BMW Buick Cadillac Chevrolet Chrysler Dodge Eagle Ford GEO GMC Honda Hummer Hyundai Infiniti Isuzu Jaguar Jeep KIA La
Possible causes - Missing or loose fuel cap- Incorrect fuel filler cap used- Fuel filler cap remains open or p0440 nissan altima fails to close- Foreign matter caught in fuel filler cap- EVAP canister
P0440 Nissan Altima 2001
or fuel tank leaks- EVAP system hose leaking- Fuel tank leaking What does this mean? Tech notes
P0440 Nissan Altima 1998
The P0440 code means that the control module has detected a leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers http://www.autocodes.com/p0440_nissan.html the P0440 code.There is an Nissan Service Bulletin to help diagnose the P0440 code:Nissan OBDII Code P0440 What does this mean? When is the code detected?Malfunction is detected when EVAP control system has a leak, EVAP control system does not operate properly. Possible symptoms- Engine Light ON (or Service Engine Soon Warning Light)- Possible a noticeable fuel odor caused http://www.engine-codes.com/p0440_nissan.html by the release of fuel vapors P0440 Nissan Description The Engine Control Module (ECM) tests the Evaporative Emission (EVAP) system for the following conditions:- Large and small leaks- Excess vacuum- Purge flow during non-commanded conditions- Fuel Level and Fuel Pressure sensor faults- EVAP Purge and Vent Valve faultsThe ECM monitors the Fuel Tank Pressure sensor in order to determine the level of vacuum/pressure in the EVAP system. The ECM commands both the EVAP Purge Solenoid and the EVAP Vent Valve ON when the conditions are met in order to apply an engine vacuum to the EVAP system. The ECM commands the EVAP Purge Solenoid OFF once the system has reached a predetermined level of vacuum. This test verifies if a vacuum can be achieved in the EVAP system. Failure to develop a vacuum may be caused by a large leak or a restriction. Related Information Repair Importance Level: 1 1=Low 2=Medium 3=High Repair Difficulty Level: 3 1=Easy 2=Moderate 3=Hard AutoCodes.com FREE Android App Search Codes By Make Acura Audi BMW Buick Cad
the EVAP control system is no longer fuctioning correctly. The EVAP system consists of many parts, including (but not limited to) the gas cap, fuel lines, carbon canister, purge valve, and other hoses The (EVAP) emission control system https://www.obd-codes.com/p0440 prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine. Symptoms You likely won't notice any drivability problems. Causes A code P0440 could mean one or more of the following has happened: The gas cap is not p0440 nissan 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 p0440 nissan altima 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 P0440 Repair Video We are not affiliated with the producers of this diagnostic video, however we found it to be of excellent quality and worth sharing! Other EVAP DTCs: P0441 - P0442 - P0443 - P0444 - P0445 - P0446 - P0447 - P0448 - P0449 - P0452 - P0453 - P0455 - P0456 Register now to ask a question (free) Related P0440 DTC DiscussionsCode P0440 on 1999 Cadillac DevilleWhat does P044 mean on a 1999 Cadillac Deville...2003 trailblazer code P0440,P0172 and now P1345I had codes PO440 and P0172 on my 2003 trailblazer, the dealer replaced the purge solenoid, as they stated it was leaking. 278$ Now I have a code P1345 and code PO172 and 4 months later gave me an estimate of 3050$ to replace the timing chain! The trailblazer only has 143,000 miles on it. This that...2003 Malibu p405 p1404 P0440 and P0404I am trying to get my car to pass inspection I am getting p405 p1404 P0440 and P0404 codes we have replaced the Egr and the catalytic converter. Help please!!!!!...P0440 on 1999 Pontiac MontanaI have a Pontiac Montana 1999, and I had change