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Discussion Starter #1 (Edited by Moderator)
Hey guys hope you can help. Truck recently started acting funny. Wont shift until 2200-2500. Also throttle has lagging/ intermittent response and if I'm accelerating and I tap the brake the car goes to idle. Have no idea what it could be. I just changed all the fuel filters and air filter cleaned maf. Any ideas? Thanks ahead of time.
2007 LBZ, efilive with Idaho rob tunes mbrp downpipe and 4in out the back, egr delete, airdog 4g 165, transgo.
 

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This just start?
P to D and your truck doesn’t move till it’s 2200 RPM? That’s a jolt. Sounds like torque converter.
What are your codes?
What made you do this (I'm accelerating and I tap the brake the car goes to idle) I’ve never done this in my whole life. I’m a one foot driver.
 
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