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Old 07-27-2019, 09:23 PM   #1
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P0453 - Anyone

Have a 2013 BRZ was a turbo car running E85, returned the car to stock and now get an immediate P0453 code. Evaporative Emission System Sensor Pressure to High. Code won't clear. Any ideas?
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Old 07-28-2019, 03:39 AM   #2
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Have a 2013 BRZ was a turbo car running E85, returned the car to stock and now get an immediate P0453 code. Evaporative Emission System Sensor Pressure to High. Code won't clear. Any ideas?
You might try disconnecting the battery for a few minutes, then see if the code will clear.


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Old 07-28-2019, 09:13 AM   #3
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Was your evap solenoid disconnected for a boost controller previously? Check to be sure you reconnected everything for it.
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Old 07-28-2019, 10:35 AM   #4
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Quote:
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Was your evap solenoid disconnected for a boost controller previously? Check to be sure you reconnected everything for it.

That is what I was thinking.
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Old 07-28-2019, 11:34 AM   #5
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Quote:
Originally Posted by Tonrogs View Post
Was your evap solenoid disconnected for a boost controller previously? Check to be sure you reconnected everything for it.
Where is this located? I will check that.
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Old 07-28-2019, 11:57 AM   #6
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Where is this located? I will check that.
take a look here....
http://www.ft86club.com/forums/showp...3&postcount=13
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Old 07-28-2019, 02:27 PM   #7
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OK, checked that and all is connected properly. Had a spare evap solenoid so I swapped that and same code. Went through everything under the hood, vacuum lines, connectors, etc. everything is connected where it should be...I'm stumped.
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Old 07-29-2019, 06:55 AM   #8
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Quote:
Originally Posted by Opie View Post
Have a 2013 BRZ was a turbo car running E85, returned the car to stock and now get an immediate P0453 code. Evaporative Emission System Sensor Pressure to High. Code won't clear. Any ideas?

Stupid question but did you change the tune back to stock?
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Old 07-29-2019, 07:49 AM   #9
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Yes, Ecutek stock ROM
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Old 07-29-2019, 11:00 PM   #10
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Looks like the ELCM is bad...have one on the way. Looks fun to change...since it's above the rear subframe...
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Old 08-02-2019, 11:26 PM   #11
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Fixed it, it wasn't the ELCM, found a wire to the ECM that had been tapped for some reason by the previous owner and had a bad connection, repaired it and the CEL went off. So not an actual part failure, a wiring issue.
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