Keredstg Posted May 4, 2006 Share Posted May 4, 2006 Hey guys I have an 05 2.5GT and I wanted to know which wire it the signal wire I want to hook up to from the O2 sensor. there are 4 wires but I don't have a multimeter handy. one is ground, one is the heater, one is the signal and i'm not sure of the last but i dunno which one is which. please help! Link to comment Share on other sites More sharing options...
Keredstg Posted May 4, 2006 Author Share Posted May 4, 2006 Bump I need help Link to comment Share on other sites More sharing options...
Boostjunkie Posted May 4, 2006 Share Posted May 4, 2006 If you bought one of the standard A/F gauges they are intended for use with a narrowband O2 sensor (0-1V). Our front O2 sensor is a wideband (0-5V). You will need to tap the rear O2 sensor, which is a narrowband. BTW, a narrowband A/F gauge is 100% useless for tuning.. since it only reads about 1 A/F point around stoic (14.7:1). It is nothing more than a pretty light show. If you really want to know what your engine is doing A/F wise, you need to get a real wideband O2 sensor/controller/meter. Link to comment Share on other sites More sharing options...
TSiWRX Posted May 5, 2006 Share Posted May 5, 2006 Our front O2 sensor is a wideband (0-5V). Question, bro.... Does this mean that once my Bosch wideband probe burns out, I can splice-in the stocker that I took off my UP? <-- I love Winky, my "periwinkle" (ABP) LGT! - Allen / Usual Suspect "DumboRAT" / One of the Three Stooges '16 Outback, '16 WRX, 7th Subaru Family Link to comment Share on other sites More sharing options...
rc0032 Posted May 5, 2006 Share Posted May 5, 2006 The probe in you UP is an EGT. The probe in you manifold is the wideband. I would not spice anything into the manifold probe because it’s critical to the car running and temperamental. The best place for a wideband is right after the turbo (where Cobb and Lashute sp? has a bung for it). Link to comment Share on other sites More sharing options...
Spec-B GT Posted June 10, 2006 Share Posted June 10, 2006 Hey guys I have an 05 2.5GT and I wanted to know which wire it the signal wire I want to hook up to from the O2 sensor. there are 4 wires but I don't have a multimeter handy. one is ground, one is the heater, one is the signal and i'm not sure of the last but i dunno which one is which. please help! ITS THE ALL WHITE ONE YOU SHOULD TAP INTO. Link to comment Share on other sites More sharing options...
Jon in CT Posted June 10, 2006 Share Posted June 10, 2006 The front A/F sensor is a Denso wideband and won't work with any meter. Link to comment Share on other sites More sharing options...
Spec-B GT Posted June 10, 2006 Share Posted June 10, 2006 ']The front A/F sensor is a Denso wideband and won't work with any meter. your shitting me, because it works with my Stewart Warner gauge perfectly fine. Link to comment Share on other sites More sharing options...
Magic Posted June 10, 2006 Share Posted June 10, 2006 Shouldnt you be able to tap a wire at the ECU? Click Here everyday:redface: Link to comment Share on other sites More sharing options...
AWDxBOOST Posted June 10, 2006 Share Posted June 10, 2006 its one of the black ones, just splice till it works, haha its a REALLY worthless gauge tho Link to comment Share on other sites More sharing options...
Spec-B GT Posted June 11, 2006 Share Posted June 11, 2006 its one of the black ones, just splice till it works, haha its a REALLY worthless gauge tho Obviously knows nothing about tuning. Link to comment Share on other sites More sharing options...
Magic Posted June 11, 2006 Share Posted June 11, 2006 How about pictures people, this helps everybody Click Here everyday:redface: Link to comment Share on other sites More sharing options...
93formula Posted June 11, 2006 Share Posted June 11, 2006 Obviously knows nothing about tuning. He prob was talking about a narrow band afr gauge, which is useless. Now a wideband, I wouldn't tune without one. Link to comment Share on other sites More sharing options...
Jon in CT Posted June 11, 2006 Share Posted June 11, 2006 your shitting me, because it works with my Stewart Warner gauge perfectly fine.If your gauge works perfectly, then it's connected to the rear 0-1V oxygen sensor, not the front A/F sensor. http://www.sw-performance.com/tech/faq.aspx?faqid=26 Below is the response curve of the front A/F sensor, taken from the Subaru service manual. Link to comment Share on other sites More sharing options...
Spec-B GT Posted June 11, 2006 Share Posted June 11, 2006 all i know is that i tapped into the green connectors from the engine bay. If that is the rear one I guess i got lucky. Link to comment Share on other sites More sharing options...
Magic Posted June 11, 2006 Share Posted June 11, 2006 Does anybody feel like doing a walkthrough on this for other users, both for narrow band and wideband. Click Here everyday:redface: Link to comment Share on other sites More sharing options...
TSiWRX Posted June 11, 2006 Share Posted June 11, 2006 The probe in you UP is an EGT. The probe in you manifold is the wideband. I would not spice anything into the manifold probe because it’s critical to the car running and temperamental. The best place for a wideband is right after the turbo (where Cobb and Lashute sp? has a bung for it). ^ Thanks for the spot, bro. Chalk this one up to a serious brain-fart....I should know, after having posted enough advice to newbies, that the UP probe is an EGT. My bad! My current setup has my wideband actually resident in the "mid-pipe" (third-cat section), just in front of the cat. <-- I love Winky, my "periwinkle" (ABP) LGT! - Allen / Usual Suspect "DumboRAT" / One of the Three Stooges '16 Outback, '16 WRX, 7th Subaru Family Link to comment Share on other sites More sharing options...
jonnyg113 Posted October 7, 2006 Share Posted October 7, 2006 Help help. I am not recieving any signal on my narrow band pro sport A/F gauge. I hooked it up to the rear 02 sensor to both the blue and white wire and recieved nothing on the gauge! please help. The car is jacked up on the stands and i am greasy. hahaha. WHAT SHOULD I DO?! Link to comment Share on other sites More sharing options...
AWDxBOOST Posted October 7, 2006 Share Posted October 7, 2006 Obviously knows nothing about tuning. < obviously has a narrowband Link to comment Share on other sites More sharing options...
jonnyg113 Posted October 7, 2006 Share Posted October 7, 2006 yeah. I know the pros and cons of narrow vs. wideband.... someone with experience please help. Link to comment Share on other sites More sharing options...
johnAWD Posted October 7, 2006 Share Posted October 7, 2006 Get yourself a wideband, unless you just want blinkenlites. Link to comment Share on other sites More sharing options...
jonnyg113 Posted October 7, 2006 Share Posted October 7, 2006 love blinkin lights... now, can anyone confirm that the white wire is the signal? or what my problem is? ( besides the fact that i have narrow band?) Link to comment Share on other sites More sharing options...
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