 3sgte running rich?, 2nd gen running rich |
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 Jan 31, 2010 - 12:12 AM
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Enthusiast  Joined Jan 23, '10 From Madison, WI Currently Offline Reputation: 0 (0%)  |
hey guys i just bought my first 3sgte! haha yay any ways while i drive the car the gauge seem to read the air fuel ratio being rich. i have an autometer thing that came with it and it has no numbers lol but it shows Lean, Stoich, Rich. I assumed it was ok since the light was green but it was in the rich area its just a little bit above stoich...anything to make it run better? thanks!
-------------------- 96 Land Cruiser -Sold
88 All-trac -Now a front clip 90 Celica - Sold 94 Prelude -Sold 94 Celica - Project Optimus Prime LoL |
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Jan 31, 2010 - 1:54 AM
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 Enthusiast Joined Jul 12, '08 Currently Offline Reputation: 5 (100%) |
you dont want your turbo to run stoich, or else it will explode on you very very quickly
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Jan 31, 2010 - 8:37 AM
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 Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
those cheap narrowband o2 gauges are pretty much usless, other than the pretty light show.
2nd gen 3s' typicly run rich anywhere in boost. (on a stock turbo) -------------------- Former Team 5SFTE pro member ;)
 13.6@108MPH, 5SFTE Powered |
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Jan 31, 2010 - 4:25 PM
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 Enthusiast Joined Feb 6, '08 From Latvia Currently Offline Reputation: 0 (0%) |
yep, youy really should start worrying when it goes to stoich under boost.
the car runs rich when under load, when cruising it just dances from side to side.. the cheap gauges are really useless, but it helped me when i had forgotten to put AFM connector on the sensor, the gauge was showing RICH all the time (safe mode pouring fuel at 100% injector cycle) -------------------- 1994 MR2 SW20, 1990 Celica ST185, both 3SGTE
turbo celica | celica club .eu | celica gt4 | imports | Toyota GT 86 | Scion FR-S | Subaru BRZ |
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Feb 1, 2010 - 10:56 AM
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 Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
QUOTE (pagii @ Jan 31, 2010 - 12:12 AM)  hey guys i just bought my first 3sgte! haha yay any ways while i drive the car the gauge seem to read the air fuel ratio being rich. i have an autometer thing that came with it and it has no numbers lol but it shows Lean, Stoich, Rich. I assumed it was ok since the light was green but it was in the rich area its just a little bit above stoich...anything to make it run better? thanks! If you are just cruising or at idle, and the gauge reads rich, then it means that you need a new o2 sensor. A normal working o2 sensor should make that gauge bounce from rich to lean while cruising or at warm idle. -------------------- 15PSI - 30MPG - Megasquirt Tuned
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Feb 3, 2010 - 12:12 AM
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Enthusiast Joined Jan 23, '10 From Madison, WI Currently Offline Reputation: 0 (0%) |
yea that sounds like it it stays rich and doesnt do much bouncing off the gauge...where would this sensor be? i see one in he downpipe but not sure if thats it?
-------------------- 96 Land Cruiser -Sold
88 All-trac -Now a front clip 90 Celica - Sold 94 Prelude -Sold 94 Celica - Project Optimus Prime LoL |
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Feb 3, 2010 - 10:38 PM
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Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
QUOTE (pagii @ Feb 3, 2010 - 12:12 AM) yea that sounds like it it stays rich and doesnt do much bouncing off the gauge...where would this sensor be? i see one in he downpipe but not sure if thats it? thats the one. -------------------- 15PSI - 30MPG - Megasquirt Tuned
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Feb 5, 2010 - 12:13 AM
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Enthusiast Joined Jan 23, '10 From Madison, WI Currently Offline Reputation: 0 (0%) |
Cool thanks guys! It should be changed b4 Monday...got a fmic coming in too any places to pick up a close fitting piping kit I was looking at one at god speed
-------------------- 96 Land Cruiser -Sold
88 All-trac -Now a front clip 90 Celica - Sold 94 Prelude -Sold 94 Celica - Project Optimus Prime LoL |
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Feb 16, 2010 - 11:41 AM
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Enthusiast Joined Sep 16, '08 From Michigan Currently Offline Reputation: 0 (0%) |
QUOTE If you are just cruising or at idle, and the gauge reads rich, then it means that you need a new o2 sensor. A normal working o2 sensor should make that gauge bounce from rich to lean while cruising or at warm idle. Not if you were like me whereas my car's air/fuel gauge was reading rich all the time, but it is because it was never hooked up to the o2 sensor.. Bastards  Hope you fix the problem!  -------------------- |
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