hi everybody,

I installed a injen cold air intake to my 1.6L protege. However, my engine starts to hesitate during driving, espectially at RPM 2,000 to 3,000. I have changed my mass flow sensor, two ingintion coil pack and spark plug wire, TPS sensor and spark plugs. BUT, I still can't solve the hesitation problem. Can anyone help me? Thank you!

 

i have the same intake and i had the same problem. all i had to do was take a cuttip and some lens cleaner and clean the little class eye on the the intake sensor. If you will read the instructions that came with your injen intake it will tell you that you might have to do this.