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Random Harsh Shifting in First and Second gear
Update: The P0340 code was fixed with the new cam position sensor installation. Much more power now. It has been raining so much around here, I haven't noticed the sluggish response. I was sliding all over the place after picking it up from the shop. Still no improvement on the lurch. Next...- Alpha Mike Sierra
- Post #8
- Forum: Engine & Drivetrain
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Random Harsh Shifting in First and Second gear
Dexron VI- Alpha Mike Sierra
- Post #7
- Forum: Engine & Drivetrain
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Random Harsh Shifting in First and Second gear
Still working on this issue. Now it is showing a P0340 code intermittently. Getting a new camshaft position sensor tomorrow. I will ask the mechanic any stored codes. The AFM delete kit came with a Diablo tuner to reprogram the ECM. The fluid had no discoloration, no smell, the filter was...- Alpha Mike Sierra
- Post #5
- Forum: Engine & Drivetrain
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Random Harsh Shifting in First and Second gear
Yes, I forgot to mention the transmission valve was updated with the flush. Prior temps were 180+ around town to 220+ when towing. Now it is around 150. I have put almost 1000 miles on it since the flush and valve update. I haven't towed with it yet since it has been raining all winter here...- Alpha Mike Sierra
- Post #3
- Forum: Engine & Drivetrain
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Random Harsh Shifting in First and Second gear
I am the second owner of a 2016 Tahoe LTZ with 135k mi that started to have random hard shifts when in first or second gear. Most often this occurs after a firm stop and take off (not a launch) from one of many stop signs around my house. Sometimes after coming to a full stop the truck will...- Alpha Mike Sierra
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- Replies: 7
- Forum: Engine & Drivetrain
