I have heard so many times from 2.2 Cobalt owners that they get lean codes from their CAI installs. I have a Cobalt, but will stay clear of a CAI until HP tuners comes out with programming for it first.
Anyways, my wife's 03 Sunfire has just the drop in K&N filter and I am tempted to go with a CAI on it. It is also a 2.2 Ecotec, but it is not the drive by wire like my Cobalt and supposedly there are slight other differences physically and computer wise. Maybe these differences I am hoping will allow the 03 Sunfire to have a CAI without throwing a lean code.
Anyone here getting lean codes on their 03 Ecotecs with a CAI?
Thanks...
the only thing i can think of is try premium gas
I have the K&N Typhoon intake on my 03' cavy, no codes, but I always run medium grade gas never low octaine.
my CAI fixed my lean codes.
12.33 @ 111.67 mph [Oct 2009]
Dyno'd on 08/02/09 - Mustang Dyno:
327.6 WHP 333.6 WTQ [10.1 AFR]
had a wai and cai since 02 , never had any codes , in the g/fs 02 eco
the J's do not have MAF sensors like the cobalts have , so no issues with codes
Edited 1 time(s). Last edited Tuesday, December 04, 2007 9:54 PM
did you disconnect the battery to let the computer re-learn?
you don't need to disconnect your battery to have a car relearn on speed density...
Chances are you have a Vac leak somewhere. But it IS possible, that the car is that sensitive. It would be nice if you could flash it.
Or honestly, in this silly case, it might actually be an ok idea to do those Ebay Resistor mods. Reason being all it does is alter the table a bit and shows the air being really cold, so it automatically adds justr a splash more fuel.
Hell I am getting lean codes from time to time on a completely stock engine.....Just replaced the front 02 sensor though....old one looked fine, but maybe it was just acting a lil crazy.
____________________________________
Primer Counts as Custom Paint Right?
BTW: This is my Sig.
nope. haven't had any lean codes w/ my wai or cai on my ecotec 2.2
_______________________________________________________________________
my carDomain updated 11/5/07 I've got premium. Yes I do. I've got premium. How 'bout you?
Beau wrote:you don't need to disconnect your battery to have a car relearn on speed density...
Chances are you have a Vac leak somewhere. But it IS possible, that the car is that sensitive. It would be nice if you could flash it.
Or honestly, in this silly case, it might actually be an ok idea to do those Ebay Resistor mods. Reason being all it does is alter the table a bit and shows the air being really cold, so it automatically adds justr a splash more fuel.
no that is not a good idea. ive seen people wiht mazdaspeeds have leaner conditions when they put a CAI on the car. it has to do wiht the MAF
