I installed an Injen cold air intake and I think it is making my car ocassionally have a small sputter when in idle with the A/C off. It'll be idleing just fine then do a small sputter then go back to normal. It's odd, because it doesn't always do it, and it has no affect on the throttle.

I have installed the Greddy Evo 2 cat back exhaust and am still having the same sputter. I ordered the Motordyne 5/16" Iso-thermal plenum spacer that should be delivered this Monday, so I will be installing it this weekend. I was wondering if this is going to make my sputter worse?

 

That pic helps so much.... j/k... I have no problem. It took the computer a few days to strighten it'self out then it was all good. I also got Borla exhause and Crawford Plenum. Give it some time it'll work itself out when the computer readjusts.

 

where did you get that grill? i like it a lot

 

didn't have that problem at all. sure you have it installed correctly and
connections up? MAF, etc.?

 

another suggestion. do not install you plenum spacer until you figure out the
sputter problem. one test to ensure you have the plenum spacer installed is
to observe the idle. if you are having problems during idle it will be somewhat
difficult to isolate it to loose plenum bolts, misalignment, disconnected hose,
etc. instead of your injen install.

 

Thanks for your responses.

The car idles fine if I have the A/C on or if the car is cold, because it idles a little higher. It only happens occasionally if I have the A/C off and the car is warmed up. It will idle at about 750 RPM then occasionally it will dip down almost to 500 RPM then goes right back to 750 RPM. I am afraid to take it to the dealer, thinking that they will void my warranty. So I am thinking that if I can't figure it out, I will just put the OEM air box back on and take it in.

P.S.
I got the grill at:
Coastal Metals Auto Accessories
David McCune
604 Church St.
Wilmington, North Carolina 28401
Phone # (910)297-6034
sales@front-grill.com
http://app.infopia.com/Shop/Control/...id/0/SFV/14050

 

CAI install shouldn't void your warranty.