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I just reinstalled my cai and i dissconnected the battery while doing it. I have noticed that i hit around 180ish right at half a tank. Normally I am at over 200 220 at half a tank. I also have driven it eaiser than normal just to see what my gas mileage is? Any ideas?
-matt

 
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since u installed your cold air intake, ur taking in more air and thus more fuel needs to be burned off to compensate.........just a hunch

 
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That's one POV and it's true, more air alone does not = more power. More air + more fuel = more power. Theoretically. However, it could also be that the ECU could still be adjusting and you may yet see your milage improve as the ECU re-learns how to map its air/fuel ratio throughout all throttle positions. I dunno, that's just what I think. My milage was crap when I first installed my intake, but now I'm doin about the same as when I was runnin stock. The reduced milage can at this point be attributed to me revving a little more to hear the growl of the intake. I'm such a ricer. Shoot me.

 
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thats mean everything is working ok because the same thing happened to me more air = more fuel = more power, dont you notice car is faster ?

 
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no offense but how can the ECU adjust to new air/fuel ratios??? last time i checked you had to tweak the ECU to handle the new air.fuel ratio but i could be wrong

 
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aem cai = noise not power

 
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from what I understand about the ECU on our cars, it automatically adjusts itself periodically. So if you install a CAI or SRI and don't reset it, it will eventually do it itself.

installing the CAI dropped my mileage, but I dont get huge mileage anyhoo since I tend to lay on it most of the time.

 
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on the contrary.....driving fast often is good on the
spark plugs and enabling an unnoticeably difference in gas mileage

 
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Vinh is right. I used to drive slow and my plugs fouled at 17K miles. As for gas mileage, you have it easy. I get 24mpg max on a good run. I'm at 200 miles and almost on empty! Don't worry, the ecu will learn on its own. Just remember the intake draws in more air and thus more fuel is needed. Intakes won't show more than 1hp gains on our cars.

 
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weird? Check to see if one of your tires in low in air.

 
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i droped alot of gas mileage when i put my intake on but usually with better filter the engine doesnt have to struggle as much to get that extra power its got a free breathing filter instead of the quiet restrictive stock one. Thus the amount of air/fuel goes up but the energy goes down so after the ecu resets you should come back to normal or possibly even better depending on how you drive. but it shouldnt fluxuate much more then loosing or gaining 20 miles per tank.

 
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I actually lost 2mpg AFTER taking off my SRI and going back to stock. Doesn't seem right, but oh well.

 
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no that does sound right, the engine has to struggle for the air and work harder thus taking more gas. although with this crazy computer in our cars with no fuel pressure regulator its just hard to figure out,

 
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Cool Ya i Am thinking after this tank it will be back to normal. I am at right around 300 miles now and its still got some gas left maybe 50ish miles?

 
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that means that SRI's suck and stock gives more power