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Do I need a EFIE
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ejn74 Offline
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Joined: Jul 2008
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Post: #1
Do I need a EFIE
I have a 88 740 NA Volvo. I am wondering if I need the efie. When did the manufactures start making the ecu clamp down on changes made to improve the mileage.

I think I do. I finally got to test it only had an improvement of 1.5 mpg. I think I also need to increase hho production.
(This post was last modified: 07-18-2008 04:35 PM by ejn74.)
07-15-2008 06:04 PM
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