Help please: CEL P0455 - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #1 of 8 (permalink) Old 04-11-2011, 02:29 PM Thread Starter
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Help please: CEL P0455

My girl's 06 mazda 6i threw a CEL P0455 code. Could this be just the gas cap since this was the only code that was thrown? Although it threw this code last year sometime and we replaced the cap with another one. This is what the sticky says the code means- P0455 Evaporative emission system leak detected (gross leak) ON 2 Evaporative (DTC P0455). Anyone get this code before and what was the solution? Thanks!
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post #2 of 8 (permalink) Old 04-11-2011, 04:04 PM Thread Starter
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No help? Anyone?
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post #3 of 8 (permalink) Old 04-11-2011, 04:32 PM
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I don't know anything about the code, just know this forum moves a bit slower than others, I'm sure someone will get back at you soon

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post #4 of 8 (permalink) Old 04-12-2011, 10:45 AM
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i recently had P0455 also on my 2006 mazda 6i. I replaced the purge valve for $22 and the problem was solved. very inexpensive fix.
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post #5 of 8 (permalink) Old 04-12-2011, 10:34 PM
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does it die right after it is filled with fuel?

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post #6 of 8 (permalink) Old 04-17-2011, 12:39 PM
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A P0455 can be caused by no less than a dozen parts or a leak in a small supply hose. The operating pressure used to detect this fault is no more than 1 psi, this is not something the average diy'er can successfully diagnose without blindly guessing.

That might be one reason to take it to the dealer to get checked out. An hour of diagnostic labor to get an answer might be worth it.

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post #7 of 8 (permalink) Old 09-14-2012, 05:44 PM
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My 07 2.3 jut through a P0455 and a P2187, and it recently just died after refueling. Stopped for fuel, shut he car off, and when I was done and went to restart the car, the starter would turn over but the engine wouldn't until I gave it a little gas. Any ideas what the problem might be? I'm thinking dirty MAF or Fuel injectors.
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post #8 of 8 (permalink) Old 09-18-2012, 02:18 AM
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Quote:
Originally Posted by Larry2211 View Post
My 07 2.3 jut through a P0455 and a P2187, and it recently just died after refueling. Stopped for fuel, shut he car off, and when I was done and went to restart the car, the starter would turn over but the engine wouldn't until I gave it a little gas. Any ideas what the problem might be? I'm thinking dirty MAF or Fuel injectors.
sounds more like you need to replace the purge valve

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