Turbo'd
 

I've been boosted for about 8k miles already. I've has my cel (p0441). I've checked everything, clamped all hoses underneath manifold & it's still on. anything else I can do to try to get this off?! besides a re tune..?


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Have you always had the P0441 code since being boosted, and are you using EBCS? I saw a thread on that and there wasn't ever a solution, but everyone else was not running EBCS so I wasn't sure if I was supposed to expect it. I shut off the code for now, though I'll be rechecking all my hoses.

yes I have. it's annoying me, every time I reset it comes back after 20-50 miles. I'm not using any EBCS. would a EBCS help?


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No it wouldn't help, I've been trying to figure out if an EBCS causes it for sure or not, since it repurposes the EVAP solenoid line as a the wastegate controller signal. I've heard of adding a check valve between the evap solenoid. It's odd, I was supercharged without the problem, with 11psi at redline. Now with my turbo at 9psi that code started rearing its head. Probably has to do with the expected flow and pressurizing the solenoid when it only expects vacuum. Someone else probably knows better.

Not really something i'm experiencing but i've seen the check valve for the PCV thread.. here's the link

normal, have tuner disable code