# air/fuel ratio guage

**URL:** <https://forums.speedlife.net/t/air-fuel-ratio-guage/94415>\
**Category:** SON240sx Automotive\
**Created:** [March 31, 2006, 5:17pm UTC](https://forums.speedlife.net/t/air-fuel-ratio-guage/94415 "2006-03-31T17:17:59Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![trinituner](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/trinituner/32/5523_2.png) [@trinituner](https://forums.speedlife.net/u/trinituner)\
**Post date:** [March 31, 2006, 5:17pm UTC](https://forums.speedlife.net/t/air-fuel-ratio-guage/94415/1 "2006-03-31T17:17:59Z")

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hey guys i got a autometer air/fuel guage, am i want to instal it my self, it has 3 wires , red black and purple, i know the red and black lolz am the purple, which wire is the o2sensor on the computer?

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**Author:** ![Black\_Beast](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/black_beast/32/5545_2.png) [@Black\_Beast](https://forums.speedlife.net/u/Black_Beast)\
**Post date:** [March 31, 2006, 7:36pm UTC](https://forums.speedlife.net/t/air-fuel-ratio-guage/94415/2 "2006-03-31T19:36:19Z")

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You hook it up right to the o2sensor.

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**Author:** ![koz](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/koz/32/5478_2.png) [@koz](https://forums.speedlife.net/u/koz)\
**Post date:** [March 31, 2006, 7:41pm UTC](https://forums.speedlife.net/t/air-fuel-ratio-guage/94415/3 "2006-03-31T19:41:01Z")

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you expecting to be spoon-fed?

just search for an ECU pinout.

E

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**Author:** ![trinituner](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/trinituner/32/5523_2.png) [@trinituner](https://forums.speedlife.net/u/trinituner)\
**Post date:** [March 31, 2006, 9:13pm UTC](https://forums.speedlife.net/t/air-fuel-ratio-guage/94415/4 "2006-03-31T21:13:43Z")

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done!  
pls lock