Quote:
Originally Posted by Sid 6.7
Don't worry if you get a CEL (check engine light) This is a normal thing that happens anytime you unplug the IAT. Make triple sure you plugged you IAT back in properly, and drive around for a few miles. After cycling through the stop/start engine procedure, the CEL will clear on it's own. No need to go to the dealer, unless it were to stay on for some reason for several days. So far, everyone's CEL has cleared, if they ever got one to start with.
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Actually this is
NOT a normal occurrence. I've installed numerous intake systems on a number of different vehicles, my Civic and Fit included, and if the intake was correctly installed, you should not receive a Check Engine Light.
Proper installation should include having the vehicle completely turned off, and should also include the disconnection of the negative terminal on your battery. Once you've completed the intake installation, reconnect the battery and start your vehicle. At this point do not touch the gas, and allow the vehicle to idle for a number of minutes. This will allow the now resetted ECU to recaculate itself for your latest addition.
If you're infact getting a CEL, you will only be extremely disapointed with the overall "performance gains" from your intake installation. While the Check Engine Light is on, your vehicle will be running in a "limp" diagnostic mode, and you will also notice a decrease in your fuel economy.