Saab P0440 EVAP Canister Purge Regulator Valve

Description

OBD-II Trouble Code Description for P0440 Saab

Evaporative Emission System

What does this mean?

OBD2 Code P0440 Saab definition:
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.

Symptoms

Possible sumptoms of OBD code P0440 Saab
You likely won’t notice any drivability problems.

Causes

Possible causes of OBD code P0440 Saab
A code P0440 Saab 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 Saab 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

Related Codes

P0441 Saab P0442 Saab P0443 Saab P0446 Saab P0453 Saab P0455 Saab P0456 Saab


The OBD2 Code Information Be Applicable For Saab:

2012 Saab 9-5,2012 Saab 9-4X,2011 Saab PhoeniX Concept,2010 Saab 9-5 Sedan,2010 Saab 9-3,2010 Saab 9-3X,2008 Saab Turbo X,2008 Saab 9-X,2008 Saab 9-7X,2008 Saab 9-4X,2008 Saab 9-3,2008 Saab 9-3,2008 Saab 9-3,2006 Saab 9-7X,2006 Saab 9-5,2006 Saab 9-3,2005 Saab 9-5,2005 Saab 9-3,2005 Saab 9-2,2003 Saab 95,2003 Saab 93

 

Note:

1. The list of automotive Makes at the right edge of the screen. The currently selected ODB-ii codes is for the Saab makes.

2. Look up the other OBD II Trouble Codes, please use the search box. Enter the 5 character trouble codes in the search box and submit the search.

3. Don’t assume a particular OBD-II code means the same for other auto manufacturers as there are many makes specific codes in use.

4. If your OBD-II trouble codes are for a different car, select that vehicle series before searching for the diagnostic codes because not all OBD2 codes used by one manufacture are used by the other makes.

5. The information contained on this site is presented for informational purposes only. We are not responsible for any actions you take on your vehicle. If you have any doubt as to repairs on your vehicle, please contact your technician.