Help with evap code p0450

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Old 08-28-2014, 12:45 AM
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6mt swapped..smart
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Help with evap code p0450

Anyone successfully cure this code? I'm not sure what to start replacing. 03 cls 6mt swapped
Old 08-28-2014, 09:21 AM
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3.5 psi
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found this: http://www.v6performance.net/forums/...ure-codes.html

might help.
Old 08-28-2014, 01:47 PM
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lowrd on tein CS biatch
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I tried chasing down an evap code for a month, changing parts one at a time. 500 later I brought it to the dealer. 350 later of diagnosing. They put back in the old canister shut valve and then it worked again

Moral of the story, sometimes it's cheaper to bring it to the dlr cause they needed to run all sorts of tests with their computers, multiple times to find the issue. And even still when I got it back a week later the code came back and they had to put back in that old part and then it worked, vs the brand new part. I'd never have solved that.
Old 09-07-2014, 01:18 PM
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Originally Posted by CL-S progression 01
They put back in the old canister shut valve and then it worked again
'Canister shut valve'? Is there an official name for this part?
Old 09-07-2014, 02:01 PM
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Found a DIY for r&r the EVAP canister and shut valve here:
https://acurazine.com/forums/2g-tl-1999-2003-98/diy-evap-canister-shut-valve-replacement-729920/
Old 09-08-2014, 01:24 PM
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6mt swapped..smart
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Thanks Tosh. Another evap code came on after some more miles P0452 Evap Pressure Sensor. Hoping that's the issue.

I ordered the fuel tank pressure sensor which will be here tomorrow. Will update this thread after install and some miles

Last edited by AnthraciteTypeS; 09-08-2014 at 01:26 PM.
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