Search results

I Have a 2007 Mazdaspeed 3 and a buddy of mine gave me a maf housing for free for my sensor. The housing is a 3" and i just wanted to know if i put this new maf housing in and a cone filter would it get messed up a/f ratios?

ok after i did that air filter mod i god dammit got the cel on and i am pissed about it. It is the error code p0171 and it is SYSTEM TO LEAN (bank 1) is that an o2 sensor or is that because im creating a vaccum with the mas flow air senor not being sealed good and air coming in?

On my buddies 06 mazda 3 we installed a sloppy cone filter just to see if it works and we did. Took the airbox out and put the filter on, once he started it its revs to 1000rpm then drops to like 500-700 rpm round there. Is that good or bad and will this harm his motor. Also after the install we...