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Toymods » Tech & Conversions » 1JZ: AF ratios too rich

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Manny
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Location:
Sydney
Registered:
May 2002
Re: 1JZ: AF ratios too rich Sun, 29 September 2002 11:50 Go to previous messageGo to previous message
Does the car feel the same? Different Dyno do give different readings - Tilbrooks has been described as generous in the past. It dynoed a stock 1J Soarer at 160+ rwkw, whereas most get 130-140rwkw stock.
The ECU learning should not affect the S-AFC at WOT (open loop) when the S-AFC is effective - closed loop is another story as the ECU will adjust based on sensor readings.
With my Soarer, I've never seen any benefits from an ECU reset on the Dyno, only in Day to Day driving in closed loop - I assume the JZA ECU is similar in operation.
What were your AF readings on this last run - similar in shape to the initial setup run or different? The output of the O2 probes wil be different between Dynos as well - I had some difference in AF readings between my normal dyno tuning runs at Croydon and the Dyno Day runs at Premier, but the shape was very similar.
Having said that, the FMIC may have altered your AF settings and a readjustment may be necessary.
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SubjectPosterDate
Read Message   1JZ: AF ratios too rich jza70-melSun, 29 September 2002 11:32
Read Message   Re: 1JZ: AF ratios too rich TE72_TurboSun, 29 September 2002 11:43
Read Message   Re: 1JZ: AF ratios too rich  MannySun, 29 September 2002 11:50
Read Message   Re: 1JZ: AF ratios too rich jza70-melSun, 29 September 2002 14:01
Read Message   Re: 1JZ: AF ratios too rich BlakeNZSun, 29 September 2002 21:50
Read Message   Re: 1JZ: AF ratios too rich SUPRAGTEMon, 30 September 2002 02:27
Read Message   Re: 1JZ: AF ratios too rich 666supraMon, 30 September 2002 05:15
Read Message   Re: 1JZ: AF ratios too rich biggavMon, 30 September 2002 11:35
Read Message   Re: 1JZ: AF ratios too rich jza70-melMon, 30 September 2002 13:42
Read Message   Re: 1JZ: AF ratios too rich SUPRAGTETue, 01 October 2002 09:55
Read Message   Re: 1JZ: AF ratios too rich jza70-melTue, 01 October 2002 11:13
Read Message   Re: 1JZ: AF ratios too rich SUPRAGTETue, 01 October 2002 13:12
Read Message   Re: 1JZ: AF ratios too rich jza70-melThu, 03 October 2002 12:19
Read Message   Re: 1JZ: AF ratios too rich celicamadMon, 07 October 2002 04:19
Read Message   Re: 1JZ: AF ratios too rich mx83toyMon, 07 October 2002 12:06
Read Message   Re: 1JZ: AF ratios too rich mx83toyMon, 07 October 2002 12:09
Read Message   Re: 1JZ: AF ratios too rich SoarerMon, 07 October 2002 12:52
Read Message   Re: 1JZ: AF ratios too rich jza70-melFri, 11 October 2002 12:16
Read Message   Re: 1JZ: AF ratios too rich mx83toyFri, 11 October 2002 12:29
Read Message   Re: 1JZ: AF ratios too rich biggavFri, 11 October 2002 14:52
Read Message   Re: 1JZ: AF ratios too rich SoarerFri, 11 October 2002 16:23
Read Message   Re: 1JZ: AF ratios too rich celicamadSat, 12 October 2002 11:05
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