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Doesn't run with CAI

1400 Views 3 Replies 4 Participants Last post by  312stang
I recently (today) put a BBK cold air intake on my 2010 V6 4.0 mustang. Everything connected fine, no problems with installation, but the second the car hits 1500rpm, it stalls and dies. I can't hear any vacuum leaks but I haven't looked yet. It's very consistently at 1500 which makes me doubt a vacuum leak. No check engine light or service light. Any ideas?
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Yep, most likely that intake requires a tune. The information that came with the intake should tell you about that.

This is basically because the intake tube is bigger than stock, and because of that, there is more air coming in than the EFI computer thinks is coming in. The tune corrects that so it works correctly.
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