Question about 2002 Toyota Sequoia

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Check Engine light recently came on and today I went to get it smogged and they told me they got a P0440 EVAP Ctrl System code. The last time I took it to Jiffy Lube to get my oil changed the Check Engine light went off for quite a while. What is typically the fix for this and how much should it cost? Thanks so much!

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  • cheap repair Oct 07, 2010

    Component Description:
    23. ENGINE AND ENGINE COOLING:ENGINE Bulletin Number: 00103
    Bulletin Date: Feb 2003

    Vehicle: 2,002 Toyota Sequoia
    Summary:
    MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0440 (EVAPORATIVE EMISSION CONTROL SYSTEM MALFUNCTION). ( NHTSA ITEM NUMBER - 10001355 )

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I had oil changed and air filter changed on my Toyota Highlander at Jiffy Lube. Within days, the check engine light came on. Tested at Jiffy Lube and numeric codes suggested emissions systems problems. Manager of Jiffy Lube looked at it, and said it did not have loose cables or hoses. He referred me to a nearby Service Station, but they could not work on it that day, and asked if I could return another day. Took car to a different service station, and they tried testing for codes, and suggested resetting, and drive for several days and see if check engine light returned. After several days, light returned. Mechanic at service station discovered hose was loose from service at Jiffy Lube. Lesson: be careful of service at Jiffy Lube. Use Google to lookup possible reasons for diagnostic codes, but take with a grain of salt.

Posted on Jul 15, 2015

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1 Answer

How to fix p0469 Hyundai accent 2010


code p 0469 refers to evaporative emission(EVAP) canister purge flow sensor ---circuit intermittent====causes ---wiring---poor connections --EVAP canister purge flow sensor---ECM
first indication is that during the service the wire loom may have been moved and become dislodged from the canister so start your checks with the wiring and connections , ending up with replacing the flow sensor

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EVAP control system problems - P0440 and P0456 codes


1) Determine the engine code cause for the Check Engine Light (C.E.L. or CEL)
2) Insert key into ignition
3) turn key to "on" posittion without starting the vehicle
4) VERY VERY quickly turn the key off one click, then on, then off, then on; cycling for 3 turns of the key (NOTE: you might have to try this a couple of times to get it just right)
5) leave on, and read the engine diagnostic code(s) that are output in the mileage counter
6) We got Code P0440 (or P 0440 or P-0440) (variations inserted for search engines)
7) A quick search of the web yielded about 3 or 4 usefull details.
8) Diagnostic code P0440 is the Evaporative Emissions Control System Malfunction (failure) of some type. Details of this type of failure and what the Evap System does for you:
9) Other web pages indicated it might be as simple as the Gas Cap being seated incorrectly, or not sealing correctly any more
10) I took it off, yes it was seated incorrectly, and reseatted it firmly
11) Now you need to clear the Check Engine Light indicator (it will clear *eventually* over time if this is TRULY the problem - I recommend you clear it now - that way is a deeper problem with the EVAP system exists, it should come on again - giving another clue something else is amiss
12) One suggestion was to take the Negative (black) cable off the battery for 10 to 20 seconds -- I did - for 30 seconds to be sure
13) You *must* turn the Engine on and start the vehicle all the way before the Check Engine Light might clear - if it doesn't try the following:
14) Turn the ignition on 50 times - yes - 50 times - but be careful, every time you cycle the ignition on (without starting the vehicle) you are turning on the Fuel Pump - continuous cycling can theoretically (according to some posts) cause it to heat up and be damaged - so every 10 times stop and let it rest for a full minute to cool down.
15) After 30 times of doing this (3 sets of 10), turn the engine fully on - see if the check engine light goes off) if it doesn't, do the remaining 20 times (2 sets of 10).
16) if it still doesn't go off, you may have a deeper issue that might require attention of the mechanics

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Check engine light shows OBD fault code P0440 EVAP Ctrl System Malfunctionfree engine fault codes


code p0440 refers to evaporative emission (EVAP)system malfunction===causes--hose connections--intake leak--EVAP canister purge valve. Check all hose connections and replace the canister purge valve.. If you can locate the unit you should be able to replace it yourself

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Did not pass smog need help with error codes p0441,p0442,p0446


Some test should be about $25 and take about ten minutes once the car is up on the lift, after all it is just a diagnostic test to see if there any leaks. The car should be on the lift to check the EVAP piping all the way back to the tank. It is unlikely that the charcoal canister will need changing, they generally last longer than the car as they rarely wear out. The charcoal canister and the whole EVAP system merely absorbs fuel vapours rising of the fuel in the tank. When your engine is warmed up and doing more than 2,500 revs the EVAP purge and vent valves open to allow outside air to be drawn in through the canister to carry the small amount of trapped fuel vapour into the engine to be consumed as part of the normal fuel air mix. The computer normally commands the EVAP system to open and close the purge/vent valves check as part of an inbuilt leak detection protocol and has seen an anomaly, possibly the vent valve not closing properly. Once the nature of the leak is diagnosed it is matter of fixing it and it should not be an expensive or time consuming job. Take the car to other mechanics and get their opinion and guesstimates. Put it like this "would you smoke test my EVAP, fix the leak and clear the diagnostic trouble codes from my computer for $200 including taxes?" If the answer is no then ask how close they can get to this price.

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Hi. I am using this service for the first time. I saw my mechanic today and he told me my car (a 2001 Toyota Camry) has an emissions problem -an evaporator leak. Is this a common problem with this...


The P0440 code is the evaporative emission system. I'm not sure if that is a common problem specifically with your vehicle. Usually the evap system is not extremely expensive to fix. Two things you can do: take the vehicle to Autozone(or another parts store) and make use of their free engine diagnosis. They can print you off your codes most likely causes and fixes. Also make sure your gas cap is tight, a loose gas cap or worn out seal will sometimes be the cause of an evap system code being thrown.

Sep 23, 2010 | 2001 Toyota Camry

1 Answer

The engine light keeps comin on and they told me it was the evap; code number p0440


u probally have a small leak in the evap system. this sometimes is hard to pin point. this should not effect the performance of the car

Apr 14, 2010 | 2004 Chrysler Sebring

3 Answers

Check engine light came on, says its a evaporative emission system, code# P0440, what is that?


What does that mean?
This indicates that a part of 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 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.

Possible 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
HTH,

Mike...

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p0440 code means that the evap system has a leak. This could be caused by a bad or improperly installed gas cap. Either that or the purge solenoid has failed or the canister is plugged and not working properly.

Nov 15, 2008 | 2001 Toyota Corolla

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