stock ran great power/ k&n no power
 

i put a k&n intake and filter on my stock 05 lly and now i have intermittent power loss! some times i hit the gas and shes all there other time i punch it and its like im towing my house! do i need a tuner for the intake!?!

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it finally through a light and it was the mass airflow sensor. i unplugged it and got the power back. tomorrow im getting a can of mas cleaner to see if that helps

yes, clean the MAF sensor. K&Ns can contaminate the sensor. if it keeps happening then you may need to go to an oilless

I had a similar problem when I installed my banks intake. I got efi live shortly after and had the maf fixed that way. I have a thread about it.

i cleaned the sensor up and it works great now!

NO THAT'S good info right there brutha!!

I certainly would have had no idea about this one.

What a great site with info like this being shared!!!!!!!!