RPMS Jumping at start!

Redfire_WNL

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OK I know all about cold starts and this does not seem right because it only has been happening for the past month for some reason. When I start my car up now for the first time during the day the car quickly jumps to 3k RPM and stays there for well over a minute, it worries me because i had a code pop up relating to my o2 sensor but I cleared it to see if it would pop up again. It has been well over a month since I cleared the code but I am wondering If Im running to rich or to lean??

I would like to know if this is normal and if not what can I do to troubleshot this very high cold start?
 

Shades

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Check to make sure your intake isn't loose, and make sure everything else is tight as well..
 

Redfire_WNL

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Check to make sure your intake isn't loose, and make sure everything else is tight as well..
As in my cold air intake? I got the Ford Racing Intake manifold as well but I will check both just to make sure.

Thanks.
 

Redfire_WNL

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OK I just checked and I think you were right about the intake because my clamp wasn't even tightened. So i started it again and you can hear the CAI sucking in air I guess because the air was escaping from where the clamp wasn't tightened down. Then after tightening it I started it up and it all sounds normal again so thank you.

Rep for you!
 

Dave

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It'll probably cone loose again keep an eye on it. Alot of guys are using set screws on the clamps to stop this.
 

Shades

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No prob, get some T-band clamps or this WILL happen again.
 

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