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Discussion Starter · #1 · (Edited)
2008 xc90 3.2 AWD ECM code 2421

Hello all.
Just bought a 08 xc90 3.2 AWD. Love it but the engine light came on 3 days later. I have an obsession scanned and code p2421 came up. Evaporative Emission System Vent Valve Stuck Open. I even had it checked with a Vida clone and the same 242100 code came up. Any ideas on what it Might be. I been told it could be the leak detection pump or a software upgrade. I don want to throw my money at one and realize it's the other. Any help would be great. Thanks.
 

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My guess is that it is the Leak Detection Pump. Drop your spare tire and look at the space that it once was. The LDP is screwed in right there (where the spare was, nearest the front of the car). It takes maybe 12 minutes to do...
 
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