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Help!!!! My X would go into limp mode!!!

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Old Dec 20, 2010, 09:03 AM
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Help!!!! My X would go into limp mode!!!

I have a 2010 evo x. I have the Q300 CB exhaust, AEM drop in cone filter and Tune.
The problem: when I'm driving in like a normal person, just when here the BOV go off. My ASC light came on and I'm in limp mode. No throttle response!
People are telling me the air/ fuel mixture are not right. I'm letting to much air in cause I didn't change intake pipes. So I need HELP!
Old Dec 20, 2010, 09:10 AM
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what blow off/diverter valve are you using?
Old Dec 20, 2010, 09:44 AM
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First, search and you will find the answer.

Second, improperly tuned.
Old Dec 20, 2010, 10:03 AM
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I'm using synchronic bov
Old Dec 20, 2010, 10:04 AM
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I'm gonna get it tuned again after I get my AMS AI.
Old Dec 20, 2010, 10:33 AM
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Originally Posted by razorlab
First, search and you will find the answer.

Second, improperly tuned.
This... hopefully someone competent will do your next tune
Old Dec 20, 2010, 10:50 AM
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get a tune. i'd bet ma $ on airflow/tq exceeded limits :P
Old Dec 20, 2010, 11:42 AM
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Thanx guys, if anymore info let me know...
Old Dec 20, 2010, 11:52 AM
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Originally Posted by Sexon Allwheel
Thanx guys, if anymore info let me know...
It's 99.9% a tuning issue

See post #7
Old Dec 20, 2010, 12:17 PM
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Did you add the BOV after you got tuned originally? Most aftermarket BOVs will cause you to boost higher. I suspect you are hitting 30psi and going into limp mode because of it.
Old Dec 20, 2010, 12:31 PM
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Maybe a MAF sensor failure.
Old Dec 20, 2010, 08:56 PM
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Originally Posted by Robevo RS
Maybe a MAF sensor failure.
i disagree




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