TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

Wideband 02 sensor?? hooking up A/F

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Old May 20, 2007 | 09:17 AM
  #1  
AudiTTboi's Avatar
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Default Wideband 02 sensor?? hooking up A/F

i have an apexi Turbo timer that has a A/F ratio feature that i want to take advantage....i need to know where i can find an 02 sensor signal and or voltage signal any help would be great
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Old May 20, 2007 | 09:21 AM
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Default 02 connector right behind the chrg. pipe, small black wire is the sensor

I use a special single-conductor connector to tap into the line for my A/F gauge

<img src="http://www.loomknitting.com/auditt/images/airfuel.jpg">
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Old May 20, 2007 | 10:25 AM
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Default Re: 02 connector right behind the chrg. pipe, small black wire is the sensor

where can i get that special single-conductor connector? the plastic connector with the purple wire goes to what? it looks like a maf connector but i don't remember a connector like that on the passengers side
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Old May 20, 2007 | 01:14 PM
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Default

elec-surplus
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Old May 20, 2007 | 05:12 PM
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Default

looks like a fuse inside that contraption....but i could be wrong.
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Old May 21, 2007 | 04:23 PM
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Default Jeff, OT but how did you get the engine bay so clean per your pic... do you recommend steam cleaning

or spraying the bay down with degreaser? I am worried about harming electrical connectors and so i have left the engine bay get pretty dirty... suggestions?
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