jerking and popping

[tsi2fly1991]

Heres the Problem my car jerks and pops when I give it full trottle or close to full trottle Ive replaced fuel filter fuel pump plugs wires and no codes are coming up does any one Know what this could be


Jeremy

 

[Logue]

vacume lines check all them, and do a boost leak test see if theres any leaks.

 

[drillo99]

check your base timeing also