why my car in low around 1000rpm not stable and the engine "semput",and at high rpm won't happen like this.i have change plug,but just can hold 2 months only after that start back again,
why my car in low around 1000rpm not stable and the engine "semput",and at high rpm won't happen like this.i have change plug,but just can hold 2 months only after that start back again,