 Need your help with AFR on 2nd gen 3sgte swap |
 Apr 19, 2013 - 12:25 PM
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Enthusiast  Joined Aug 14, '05 From St. Paul, MN(USA) Currently Offline Reputation: 8 (100%)  |
94 celica gt with 2nd gen 3sgte swap. Everything is stock with AEM EMS. Harness done by Dr.Tweak. The AFR would read 14-15 from cold start but when it starts to warm up it would gradually move to 16-17. Is this normal? Here is a short video of it. Any clues or suggestions would help Thanks in advance
http://www.youtube.com/watch?v=Bic419UjtsE |
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Apr 19, 2013 - 8:13 PM
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 Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
No its not normal.
Two main things that will cause this are: 1. You have a pretty big Vac leak. 2. You have an exhaust leak/crack or you are running open downpipe. If both of those check out, then you need to take a look at your mechanical timing as well as your ignition timing. Its also possible that there is something setup incorrectly with your AEM. Also assuming that you don't have some huge aftermarket cams installed. This post has been edited by lagos: Apr 19, 2013 - 8:15 PM -------------------- 15PSI - 30MPG - Megasquirt Tuned
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Posts in this topic
team_omega Need your help with AFR on 2nd gen 3sgte swap Apr 19, 2013 - 12:25 PM
garin my second gen does this too Apr 19, 2013 - 1:50 PM
team_omega QUOTE (garin @ Apr 19, 2013 - 1:50 P... Apr 19, 2013 - 2:03 PM garin im not sure my car smells rich... but i still get ... Apr 19, 2013 - 2:41 PM team_omega Thanks lagos I will check on that sometime this we... Apr 19, 2013 - 8:57 PM garin my problem is not vacuum. it reads 18-22 inhg at i... Apr 20, 2013 - 7:48 AM lagos QUOTE (garin @ Apr 20, 2013 - 8:48 A... Apr 20, 2013 - 11:32 AM garin QUOTE (lagos @ Apr 20, 2013 - 12:32 ... Apr 22, 2013 - 4:19 PM |
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