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Old 07-01-2007, 04:02 AM   #1
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Join Date: Dec 2005
Location: Florida
Posts: 33
Zener Diode Mod

Has anyone done the ZENER DIODE MOD to get around the O2 sensors so the check engine light does not come on?

I like to purchase a header for my Boxster-S from Tj Boutique on e-bay. He mentioned that I can get around the O2 sensors with that mod. Any help on this would be great.


Factory side skirts
18" Sport Classic
B&M short shifter
IPD Cayman-S Plenum
80mm Throttle Body
FVD Sport Muffler
Fabspeed catbypass
EVO Intake
Light flywheel and Sach stage II clutch
Front/Rear Strut Brace
Undetectable K40/3
Rear Defuser
Rear spoiler
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Old 07-01-2007, 08:19 AM   #2
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Join Date: Jul 2006
Location: Shawnee, KS
Posts: 159
Maxspeed Motorsports Headers

I Have Maxspeed Motorsports Headers On My 2000 986 They Have 4x Oxygen Sensors, 2 Per Header. I Have Put A Couple Of Hundred Miles And Still No Cel. Check Out Their Ebay Store, The Headers Are $600 Shipped.

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