Old Dec 1, 2008 | 10:42 AM
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tighed1
Senior Member
Joined: Aug 2008
Posts: 5,741
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From: Sierra Vista, Arizona
Default Re: Question on an ECU upgrade I found on Ebay.

Most likely a .39 cent resistor in a box. Used to "trick" the car's computer into thinking the intake air is cooler than it is.
Junk, stay away. Or not, up to you.
 
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