Question about 1998 Chevrolet Cavalier
Possibly there is a leak in the EVAP system. Make sure that the gas cap is fitted properly. Inspect the fuel vapor lines for any holes or leaks. Also you need to check the purge valve for proper functioning.
Posted on Apr 25, 2013
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Posted on Jan 02, 2017
SOURCE: check engine light is on-
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
Hope helps (remember to rate this).
Posted on Oct 12, 2010
SOURCE: 02 monte carlo- EVAP code.
hi there, you see todays cars are so emmision friendly that not even the vapors from your tank can be released into the atmosphere so what they have done is all your vapors are put into a charcoal canister to absorb the vapors and the next time you start the car it has a purge solenoid open and burn the vapors off. if you look around the intake youll see a hose with a green cap follow it back to the charcoal canister and while your doing that just check the hoses and the hoses around the canister to make sure there is no holes or cracks in them and then follow the hose from the canister to the gas tank. if every thing looks good then i would replace the purge solenoid.
Posted on Aug 28, 2008
More then likely its the Canister Purge Solenoid. you can find it online at www.autozone.com the part number is PV140. And to replace it on blazer you have to remove the spare tire. Alot of people don't know where this part is so I hope this helps you and good luck.
Posted on Oct 14, 2008
SOURCE: check engine light emission leak
youll have to take it a shop and have them fill the system with "smoke" and examine the entire system for the "smoke". the smoke will pour out from where ever it is leaking from
Posted on Jul 15, 2009
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