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Mine does this too. I have changed the intake back to stock, swapped tunes, and changed the primary o2 sensor. I still need to check my PCV and possibly the brake/idle pump or whatever you call it since my brakes arent always as firm as normal (multiple bleeds, no air, new lines, etc). It also does it with both OEM ATF and Redline ATF
It happened starting around 70k miles and lasted until about 90-95k when I swapped the o2 sensor. Now it happens occasionally the last couplethousand miles starting at 120k (at 124k currently)
If mine doesnt stall but only bogs (usually due to me easing up on the brake last minute) it shifts very hard on takeoff so I do believe it is more a torque converter or TCU issue then tune related.
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"Just like how a strut bar somehow enables you to corner 20MPH faster around a cloverleaf on-ramp, when the reality is, you can do it already but you just don't have to balls to do it." - CSG David |