Currently the double signal button malfunction after I open it up. I tried to put it back, but it doesn't work after that. Please show some proper instruction to fix it please ><"
When I accelerate, the engine hesitate and sort of misfiring when it hits full boost @ 3500rpm. FYI, my car is still running stock with only, Apexi air filter, HKS BOV and HKS exhaust. And worth to mention, my engine...