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CODE P0440 - 1999 Buick Regal

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Evaporative emmisions system--it hooks to gas tank and has charcoal canister--can cause problems with gas going to pump

Posted on Mar 31, 2011

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Posted on Jan 02, 2017

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1 Answer

Po440 on my 2000 f150 flare side mean


Here is a summary of possible causes for the P0440 code. Good Luck
http://engine-codes.com/p0440.html

Feb 25, 2015 | Cars & Trucks

1 Answer

Hello there,my 2001 echo is lighting up trouble codes p0440 p0441 p0446; how and where should i start?


code p0440 refers to evaporative emission (EVAP) system--malfunction=== causes --hose connections --intake leak--EVAP canister purge valve
code po441 refers to EVAP --incorrect flow detected==causes the same as for po440
code po446 refers to EVAP system vent control --circuit malfunction===causes --wiring---EVAP can purge valve--ECM
generally I would replace the purge valve as it is common to all codes

Feb 03, 2014 | Cars & Trucks

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2001pontiac grand prix gt codes p0440 and p0420


The p0440 code is a loose gas cap code the p0420 code is a catalytic converter problem code.

Sep 01, 2012 | 2005 Pontiac Grand Prix

1 Answer

P0440 was my diagnostic code. What should I look for?


As a generic code, P0440 = Evaporative emissions problem but there is no definition for it as a GM code. <div><br /></div> <div>You might check the condition of of your gas cap inside; a bad cap can often cause this. </div><!-- from fixya rte -->

Aug 15, 2010 | 2003 Chevrolet Venture Passanger

1 Answer

Code p0440 quoi fair


Verifie si le bouchon du réservoir d'essence est bien en place, c'est la plus grande cause de ce code...

Sep 15, 2009 | 2003 GMC Sierra 1500

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2000 Saturn SL2-" Service engine soon light" won't go out, even after having oil changed. Any ideas? Advance Auto's light says code: P0440.


You have to have one of the parts stores clear it. Did you check you gas cap. P0440 Is an emissions codes usually caused from a loose gas cap

Aug 20, 2009 | 2000 Saturn SL

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Check engine light on. Code P0440.


wow thermostat >>>> shucks i believe its evep emissions code like faulty gas cap ....you can reset any computer the chck eng light will come on in 50 to 100 miles if not fixed....

May 07, 2009 | 2001 Buick Regal

1 Answer

1999 pontiac sunfire code p0440


P0440 - Evaporative Emission (EVAP) System, this code is most often caused by leaving the gas cap loose, or off.

Sep 21, 2008 | 1999 Pontiac Sunfire

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