My friend/shopmate had an 2008 Grand Prix with a pile of miles. Once it's warmed, sometimes when leaving a stop sign it will be sluggish, as if it were in 2nd gear, then a harsh bang and it takes off and shifts through the gears normally. What is this and is it externally fixable (through the pan or side cover)?
It's had the Trans-go shift kit for the P1811 code (or at least the bits accessable through the pan installed, which fixed that issue, but this is new..
It's had the Trans-go shift kit for the P1811 code (or at least the bits accessable through the pan installed, which fixed that issue, but this is new..