P0440 check engine code!

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Oct 19, 2012 | 04:47 PM

stealth13

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P0440 check engine code!

My first cel on this truck and I'm not sure how to fix it? People say tighten the gas cap so I did, then I reset it, seems good for a couple days and then it's back...

Oct 19, 2012 | 06:22 PM

Tom A

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From: Concord, CA

Check for cracked hoses, especially at the evap canister.

Oct 19, 2012 | 07:16 PM

markk96

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From: Belleville, IL

What year is your truck?

Oct 19, 2012 | 09:21 PM

stealth13

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2003 club cab 4.7 4x4

Oct 19, 2012 | 10:37 PM

mmguy18

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From: St Clairsville Oh

Did you check filler neck? Being metal could get a pin hole.

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