Ticking Sound??

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Dec 22, 2005 | 10:11 PM

#21

SquallLHeart

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Scion Evolution

Joined: Oct 2004

Posts: 15,699

Quote:

Originally Posted by SSH_Motorsport

Yeah, I have the same rattle. It come from the driver's side, around the wheel well. And my boy who has a 06 tC has heard it also. Mine has been off and on since mid summer. PLEASE PLEASE ANYONE IF YOU FIGURE OUT WHAT IT TRULY IS LET ME KNOW!!!!!!!!!

the ticking that tCGUY is experiencing is the Vacuum Switching Valve as previously stated.. (READ THE ENTIRE THREAD...) if you open up the hood, you can even hear it coming from that valve (a little gray box looking thing that's close to the MAF)...

it's controlled by the ECU to control warm curb idle. good enough explanation?

Dec 22, 2005 | 10:41 PM

#22

TcGUY211

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Joined: Feb 2005

Posts: 47

From: NJ

thank you now i dont have to go to the dealership. Should it shutoff overtime when the engine is underload. I can see it not shuting off at idle because the cai will not let it fully go up to the warmup temp. Maybe?