Wierd CAI intake problem?
10-23-2005, 08:55 PM
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Wierd CAI intake problem?
I went to the strip today and when I got there I noticed that the SC didn't "scream" like it used to. I had the intake on for a week now and the SC scream seemed to quiet down a little. I noticed this on my last car which was a 2.2 Eco Z24 with an AEM CAI and after a few days the intake quieted down. After a bit of fiddling at the track I disconnected the battery for 10 mins and after I re-connected it the SC scream was back. I wonder if the PCM is adjusting to the intake somehow as I cannot explain how it got toned down and a reset made the whine come back. If you have a CAI in now for about a week or longer do you notice this too?
10-23-2005, 10:24 PM
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The code still comes on (P171) but it takes longer now, I drove for over 2 hours and no CEL yet. I bought an Innova OBD2 scanner today on sale so I just clear the codes. At the strip today I reset the PCM by unplugging the NEG and through 10 passes and 2 1/2 drive home it hasn't some back on yet, so we'll see.
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