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      08-27-2019, 05:15 PM   #1
MWcoupe
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CEL P0440

How many of you are getting this error code and have dealer service it? I have the code about three times. Sensors and vent value changed. Cel is still popping up. My dealer supposedly flagged my vin because they claim they have proof that I got a piggy back on the car before. Curious to see if anyone successfully gotten this issue taken care of
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      08-28-2019, 05:28 PM   #2
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That code is for EVAP leak.
Even if you got flagged for Engine warranty, they shouldn't flag you on EVAP warranty.

Have you got the fuel tank recall done recently?
It may be improper installation may cause that code also.
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      08-28-2019, 05:32 PM   #3
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Quote:
Originally Posted by r33_RGSport View Post
That code is for EVAP leak.
Even if you got flagged for Engine warranty, they shouldn't flag you on EVAP warranty.

Have you got the fuel tank recall done recently?
It may be improper installation may cause that code also.
The car was flagged while servicing the evap code and they decided to decline service and flag the vin saying I had piggy back tune before. But the device was never in with the car at service. Also only recall I had was the coolant.
The fuel sensor and value was replaced though. Maybe that wasn't installed properly?
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      08-28-2019, 05:39 PM   #4
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Quote:
Originally Posted by MWcoupe View Post
The car was flagged while servicing the evap code and they decided to decline service and flag the vin saying I had piggy back tune before. But the device was never in with the car at service. Also only recall I had was the coolant.
The fuel sensor and value was replaced though. Maybe that wasn't installed properly?
How can they flag something that they didn't see?

Most likely is the installation. EVAP is a close system, if there is a leak, that's when it gives you the CEL.
So, unless you mess around with the fuel system other than the gas cap, they should fix it.
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