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pickup ses code

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New User

Mar 6, 2015, 9:36 AM

Post #1 of 3 (816 views)
pickup ses code Sign In

I got a 1999 Chev pickup. It is thowing a P0441
code. What do I do to check it out to determine
what I need to do to fix it?

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Mar 6, 2015, 10:24 AM

Post #2 of 3 (807 views)
Re: pickup ses code Sign In

Evap emissions issue: First check fuel cap is there and correct one but probably a problem up front with a flooded/fuel wet canister not burning up the just the vapors it catches or overwhelmed with fuel?

Look around and smell for fuel odor and anything unhooked or rusted out that would carry fuel vapor - metal lines even if rusty be a problem.

Just maybe it's been overfilled with fuel too much and might clear itself - can't say but if you did or do that a lot it could be a reason,


Ultimate Carjunky / Moderator
Discretesignals profile image

Mar 6, 2015, 1:04 PM

Post #3 of 3 (799 views)
Re: pickup ses code Sign In

That is a purge during non purge code. First thing you should try is unplugging the canister purge valve electrical connector and the line that goes to the charcoal canister. With the engine running you shouldn't have any vacuum on the purge valve nipple you disconnected the line from. If you do, the valve is faulty.

Note: when you disconnect the electrical connector there will probably be a purge valve circuit code that will trigger.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

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