High idle at start up???
09-25-2007, 11:39 PM
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High idle at start up??? I installed the LT4 hotcam and was very happy with it but now it seems that everytime you start it it revs up to about 2k than settles back down but takes about a minute. Is this normal?? Even when it's hot. My tune is from PCM4less and at first it wouldn't do that and also sometimes you can't even tell there is a cam in it. But if you sit at a stop light very long it will start to lope and sounds great.....
09-26-2007, 09:24 AM
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Whenever I start mine up when its warm it kinda revs up for a few seconds to maybe 1300 and then goes down to normal. I would like to tune it so it doesnt do it but I dont know what where I would have to modify my lt1-edit file?
09-26-2007, 10:00 AM
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when i start mine cold it revs to 1700 and will stay their for a while if i just start driving i have to come to a stop and wait for it to come down. Then it idles at 800 rpm. I think maybe my IAC is going?
