Hi experts,
Pls advise me.
Im driving a manual 06 jazz, renew coe.
When my car @gear 3 especially, low rpm, between 2 to 2.5,
It jerks and shake. Once it hit, 2.5,its normal.
Petrol : shell 95 = very bad jerk almost every time
Shell 98 = not so bad. Jerk not so hard.
Shell Vpower = much lesser, light jerk.
All filter changed. Engine mounting also change ( based on recommandation ) workshop advise change 8 sparkplug.
I feel if is spark plug, what petrol also should jerk.
Please advise me