i have a 2009 lancer es sport and i wanted to upgrade the air intake i shoppped around and i bought a fujita sr intake and got it installed after driving like 3 hundred miles the engine service soon light turned on and i read the code and it was p0171 (running lean) i dindt know what to do so i took it all off and put back my original air intake and the light didnt turn on anymore this first attempt was done by me :-P.
i waited a couples of wks and took it to a shop so i could get it installed right since i thouhgt i didnt do it right so they installed it and again after like 250 miles the light came back up :-( and i went there and they read the code and it was the same p0171 anyways at the shop they didint knmow what to do so i decided to put back the original one and the light hasnt turned on again
can someone help me finding out why this is happening? do i have to tune the fuel pressure and amount from the engine computer?
thanks a lot

 

Problem is mostly the intake, not the car!

Do a quick search here you'll see what I'm talking about!

 

Everybody I know of who got the fujita sri has the same problem. Like Answer_1 said it is the intake. I would get rid of it and get the RRM or the K&N sri. I have the K&N and it works awesome and no CEL. I've heard the RRM works great too. GL

 

Call fujita and tell them your problem. The new pipes are coming out, they should send you one for free.

 

I have heard of this problem. Guess they never solved it.


ROAD/RACE