CHEVY CODE P0440

1996 Chevrolet Blazer

Tiny

tkatt

March, 10, 2009 AT 7:51 PM

Engine Performance problem
1996 Chevy Blazer 6 cyl Four Wheel Drive Automatic 111000 miles

My wife took our 96 blazer a few days ago filled it up with gas. A few miles down the road it died. After towing it home and squirting a little starting fluid into the intake it started and seemed to run ok. I drove it a few days and worked ok. Today I took it and after driving the service engine light came on with a code P0440 Evap emission system. Any help please

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9 Answers

Tiny

bluelightnin6

March, 10, 2009 AT 7:59 PM


http://www.2carpros.com/forum/automotive_pictures/261618_Noname_302.jpg



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Tiny

tkatt

March, 10, 2009 AT 8:55 PM

Thanks for the response, where on the engine are the vent and purge solenoid and fuel tank pressure sensor. Also could a leaking intake manifold gasket cause this.

Tiny

bluelightnin6

March, 10, 2009 AT 9:04 PM

Only 2.2L have both the vent and purge solenoid. The 6cylinder has the purge solenoid and it is located on top right rear of engine, pictured below..


http://www.2carpros.com/forum/automotive_pictures/261618_Noname_303.jpg



The fuel tank vapor pressure sensor is located on top of the fuel tank.
Yes it is possible that a faulty intake gasket will cause this code to appear and symptoms to occur.

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Tiny

tkatt

March, 10, 2009 AT 9:24 PM

How tough of a job is replacing the intake gasket can someone with a medium amount of mechanical ability do this or is it a job for the pros

thanks again

Tiny

bluelightnin6

March, 10, 2009 AT 9:37 PM

It will take a reputable repair shop 3 - 4 labor hours to do this job, depending on if it is upper or lower gasket being replaced.

I don't really like to tell people if I think they can handle a job or not so what I am going to do is post the procedures. You can read over them carefully and decide for yourself if you think you can make this repair safely and correctly. We will be here every step of the way if you do decide to take the project on yourself so don't be afraid to ask questions until you finish the job if you need to ; )

First I will need to know if this is the upper or lower manifold that needs the gasket?

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Tiny

tkatt

March, 10, 2009 AT 9:51 PM

I think it would be the lower, when you say the upper are you talking about the one below the air intake plenum? The only reason I mentioned the intake is it has been seeping antifreeze for awhile now and I just wonder if it has gotten worse and this is the result. If you could post the procedure that would be great

Thanks for all your help

Tiny

bluelightnin6

March, 10, 2009 AT 10:02 PM

Okay, replacement procedures are below..

REMOVAL:


http://www.2carpros.com/forum/automotive_pictures/261618_Noname_305.jpg



http://www.2carpros.com/forum/automotive_pictures/261618_2_18.jpg



http://www.2carpros.com/forum/automotive_pictures/261618_3_6.jpg



http://www.2carpros.com/forum/automotive_pictures/261618_4_3.jpg



Thanks for using 2CarPros.com!

Tiny

tkatt

March, 11, 2009 AT 6:25 PM

That doesnt sound too bad. Do you also have procedure for removal of upper air intake plenum

Thanks

Tiny

bluelightnin6

March, 11, 2009 AT 7:43 PM


http://www.2carpros.com/forum/automotive_pictures/261618_Noname_318.jpg



http://www.2carpros.com/forum/automotive_pictures/261618_2_20.jpg



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