Question about 2003 Saturn VUE

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What di I have to fix when i get the following

What do I have to fix when i get the following code? P0440

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Only the code book will tell you if it is a code from an odb reader, if your on board system say it, refer to your owners manual.

Posted on Dec 12, 2009

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P0440 code with check gas cap message how do I fix this


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

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

Jan 10, 2016 | 2000 Cadillac Seville

1 Answer

What be the most common thing wrong with the car for it to have the code p0440


need to put your car on a scanner to properly diagnose your problems p0440 evap system,128 thermostate ,p0742 torque convertor,p0327 knock sensor. take your car to a good mechanic

Dec 02, 2014 | 2003 Chevrolet Impala

1 Answer

What is po44o code mean and how do I fix it


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 the P0440 code.
Read more: http://engine-codes.com/p0440_chevrolet.html#ixzz3Jq4J1Kp1

Nov 22, 2014 | Cars & Trucks

1 Answer

SUZUKI VITARA 2001 4L CODE P0440


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

Dec 10, 2010 | 2001 Suzuki Vitara

1 Answer

I am getting P0440 EVAP Control System Malfunction for my Buick Century 1999 and need to know how to fix it thanks


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

Keep us updated.

Nov 15, 2010 | 1999 Buick Century

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

1 Answer

I have a 03 chy.pt cruiser with a code po44o


Error code P0440 =Evaporative Emission (EVAP) System. This site explains why & how fix the problem. http://www.obd-codes.com/p0440

Jun 25, 2009 | 2003 Chrysler PT Cruiser

1 Answer

What does code p0440 mean??what can i do to fix it??


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, inspect, clean the sealing gasket and reinstall the gas cap, clear the code, and drive for a week and see if the codes come back. If the code comes back, have the gas cap itself checked. If all is ok, then move on to the rest of the possible fixes. 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

Jun 06, 2009 | 2003 Pontiac Sunfire

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