Check engine light...Whats this code???

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02-13-2008, 04:24 PM

Oh1TypeS

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Check engine light...Whats this code???

I got the codes run and it said it was the auxiliary emission control. the code is

P1456

Any one know exactly what this is..???

Thanks in advance!

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02-13-2008, 05:27 PM

fuzzy02CLS

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The exact code is....
Evaporative Emission Control System Leak Detected (Fuel Tank System)
The manual goes into a whole procedure to test the system out, but It's likely a bad gas cap, or Bad purge valve.

I got the same code when my purge valve died. Not just ticking, but it was stuck in open loop & would not close.

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02-13-2008, 07:20 PM

Oh1TypeS

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What am I looking at as far as cost/ part number?? Thanks a lot for your help

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02-13-2008, 08:49 PM

fuzzy02CLS

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Research it. It's covered in the FAQ & there are many posts on the purge valve. It's a $50 part & 5 minutes to put on.

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02-13-2008, 09:40 PM

NSXNEXT

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First thing first. Remove the gas cap then put it back on and tighten it till it starts clicking. I would disconnect the neg battery terminal for a few minutes. Then check to see if the CEL comes back. More often than not it's just the gas cap not being screwed on tight enough.

Cost = $0