Question about 1997 Chevrolet Cavalier

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P0440 evap emission control system m 1997 chevy cavalier 2.2

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 1996 Chevy Blazer check engine light on

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

  • 45 Answers

SOURCE: check engine light on 2006 Chevy suburban

CHECK THE LARGE BLACK CANNISTER AND CHECK THE HOSES CONNECTED TO IT. GOOD LUCK!

Posted on Jun 10, 2009

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SOURCE: 2002 chevy trailblazer check engine code

most of the time your problem is going to be a bad gas cap if the cap is good check your fuel lines under the vehicle and under hood for a poss fuel leak or smell of gas [vapor]

Posted on Sep 24, 2009

  • 12104 Answers

SOURCE: 2002 chevy trailblazer what does EVAP Emission

most p0440 codes are related to gas cap problem check cap and reset code if it the problem code pops problem with a fuel line follow lines from filler neck down and under vehicle[ look for smell of gas or cracked line] all the way up to throttle body if have leak fix asap

Posted on Sep 26, 2009

SOURCE: emission failure on 2001 chevy blazer 4.3-

your vehicle has a vent valve solenoid located on the evap canister under the back end of the vehicle. You most likely have a bad vaccuum line going to the evap caniser. Have the vehicle smoke tested to verify. If no leaks are found replace the vent valve solenoid

Posted on Oct 25, 2012

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Solution for 1999 chevy cavalier code p0440


There has been a service bulletin isued for that code. I have run into this before, also the wires comming out of the connector. That would bethe first thing to check. Here is what the bulletin states. Emissions - SES Lamp ON/DTC P0440 (EVAP) SetNotesFile In Section: 06 - Engine/Propulsion SystemBulletin No.: 02-06-04-044Date: August, 2002TECHNICALSubject: Service Engine Soon (SES) Light Illuminated, DTC P0440 Set (Replace Fuel Tank Evaporative Emissions Control System (EVAP) Vent Solenoid Harness) Models: 2000-2002 Chevrolet Cavalier2000-2002 Pontiac Sunfire ConditionSome customers may comment that the SES light is/was illuminated.A technician may find DTC P0440 is stored in the PCM.CauseThe EVAP solenoid harness may be misrouted around the rear antilock brake (ABS) wire harness causing a chaff/damage to the EVAP vent solenoid harness, setting DTC P0440.CorrectionFollow the service procedure below to diagnose and correct this condition.1. Install a Tech 2 scan tool and select the appropriate vehicle. Verify that a DTC P0440 is stored in the PCM. 2. Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle in General Information (SI Document ID # XXXXX).

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Locate and inspect the EVAP vent solenoid harness (3) routing. The harness may be routed below the ABS wiring harness (4) at the right rear corner of the fuel tank, causing stress on the EVAP solenoid harness (3).



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4.Disconnect the EVAP vent solenoid harness (3) from the EVAP vent solenoid (2) and connector C313 (1). Discard the EVAP vent solenoid harness (3).


5.Connect the new EVAP vent solenoid harness (3), P/N 22687059, to the EVAP vent solenoid (2), route the harness above the rear ABS harness (4) and connect the EVAP vent solenoid harness (3) to connector C313 (1).


6.Lower the vehicle.


7.Clear the DTC's with the Tech 2 scan tool.



If all of the wires are good you will want to check for any leaks in the evap system.



Hope helps.

Apr 09, 2012 | 1999 Chevrolet Cavalier

1 Answer

What is code p0440


EVAP Emission Control System Malfunction.
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

Sep 29, 2011 | 1997 Oldsmobile Cutlass Supreme

1 Answer

Code p0440 code p0441 code p0446on toy echo 2000 what is the diagnosis?


P0440 Evaporative Emission Control System Malfunction P0441 Evaporative Emission Control System Incorrect Purge Flow P0446 Evaporative Emission Control System Vent Control Circuit Malfunction
  • 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

Aug 19, 2011 | 2004 Toyota ECHO

1 Answer

Obd ll is comeing up with codes p0174 and p0440


P0174 System Too Lean - Bank No. 2.
P0440 Evaporative Emission Purge Control Solenoid Damaged.
It means that the solenoid that controls the evap system valve has failed and it's keeping it fully open so air is reaching the engine, messing the mixture. Replace the Evap solenoid and its valve.

Jul 11, 2011 | Chevrolet S 10 Cars & Trucks

1 Answer

I have an 98 chevy cavalier and the engine light came on and the code was P0440 and it said it was evaportive emissions systems. Is that the gas cap? or what is it.?


P0442 Means you have a leak in your EVAP system.
The EVAP system prevents gas vapors from entering the air .
This code can be set by a leak in the lines or a clogged charcoal canister.
Most common reason is If you did not put your gas cap on all the way.
Hope this helps
Leave feedback please
thank you FixYa

Mar 06, 2011 | Chevrolet Cavalier Cars & Trucks

2 Answers

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

Jul 30, 2010 | 2003 Chevrolet TrailBlazer

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...

Dec 04, 2009 | 1996 Chevrolet Cavalier

2 Answers

2002 chevy trailblazer what does EVAP Emission control system malfunction code #P0440 on an actron code scanner


most p0440 codes are related to gas cap problem check cap and reset code if it the problem code pops problem with a fuel line follow lines from filler neck down and under vehicle[ look for smell of gas or cracked line] all the way up to throttle body if have leak fix asap

Sep 21, 2009 | 2002 Chevrolet TrailBlazer

3 Answers

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

3 Answers

Want does p0440 code mean


P0440 - Evaporative Emission (EVAP) System

This indicates that a part of the EVAP control system is no longer functioning 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.

Please rate and have a great evening:)

Apr 23, 2009 | Chevrolet Astro Cars & Trucks

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