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I finally got my jb4 installed , when I select any map I get a undeboost error code , any ideas I only got the tmap plugged in, on the guide it says the manifold pressure sensor is optional , any ideas? Is it the other sensor coming out from the jb4 or a possible boost leak?
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Record a JB4 log on map1 and let's check it out!Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!
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Limp mode tends to happen when shifting gears
Limp mode tends to happen when shifting gears, unsure if i should have the manifold censor plugged in, but the guide said it was optional.Attached FilesComment
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