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08-05-2013, 10:54 PM
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#1 |
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Registered User
Join Date: Jan 2013
Location: Apple Valley, CA
Posts: 276
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Re: 20 mpg hijack thread
Your precat 02 reads AFR while your post cat checks cat efficiency... at least on most newer cars. You can go on eBay... heres what you need to install the secondary 02 it in a sense tricks the ecu. You can turn the secondary off with a tune, but that's more than $20.
How's this for less than $20 A few links... http://www.ebay.com/itm/Oxygen-senso...72e7b2&vxp=mtr http://www.ebay.com/itm/02-OXYGEN-SE...cb06a3&vxp=mtr |
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08-06-2013, 10:21 AM
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#2 |
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Registered User
Join Date: Oct 2012
Location: atlanta, GA
Posts: 222
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Re: 20 mpg hijack thread
Jabes1 that is much appreciated. I will let you know how it works out.
so weld in another bung and plug my secondary into one of those jobbys? Also I think my mileage numbers are wrong still. I didn't put 2 and 2 together at the time but my speedometer is off......a lot. On my shake out run I took my garmin with me and at a GPS speed of 68 mph my speedo read 60 mph. I will ask for some help regarding that issue later. This is while running 285/75 r16 tires so I am a little surprised. I knew it wouldn't be dead on but was surprised at the actual difference. Glad I checked as it was just a matter of time before I earned a good driving award. Hate to think I was going 65 and find out the hard way it was 72. 
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