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http://s4.zetaboards.com/lexusaltezzaclub/topic/1148393/1/#new



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3sge Dropping Revs
Topic Started: May 21 2012, 11:42 AM (695 Views)
wesley
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touge lover
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hey everyone my beams motor has a apexi intake and idles perfectly when you start it up initially however sometimes after a quick drive. It will drop revs to around 300ish RPM and bump back up to the proper idle rpm. car smells a bit rich too. The car doesn't get driven much since it isn't road registered and the battery on it is flat 99% of the time until recently when i gave the battery a good charge. Could it be a dirty MAF? or the ECU relearning? Just would like to diagnose it before I swap it over to my IS200.

cheers

2003 IS200 Sport Luxury 4AT SOLD
2002 WRX STI V7 6MT SOLD
2000 Zenki RS200 Z Etd 6MT SOLD
1999 Zenki RS200 Z Etd 6MT SOLD - Wakefield Park P.B. 1:16.1
2006 BMW 130i 6MT RIP
2002 Integra Type R 6MT - Wakefield Park P.B 1:13.9
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peanut
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Red Horns Devil
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After I did my conversion I had funny idling issues for a few weeks.
it'll drop to almost stall...then after ( even now ) sometimes when crusing the stop at the lights in neutral the revs will jump a little.

Most problems went away as the engine run in again after not being driven for so long. the ECU just needs to learn again

I suggest you clean the MAF anyway, i did that when i did my conversion. going back to stock box may not fix the issue.
For Vinyl Car Wrapping solutions and CarbonFiber parts email:adam@modbox.works
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wesley
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touge lover
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ahh yep, lexism and geoff said the same thing.

2003 IS200 Sport Luxury 4AT SOLD
2002 WRX STI V7 6MT SOLD
2000 Zenki RS200 Z Etd 6MT SOLD
1999 Zenki RS200 Z Etd 6MT SOLD - Wakefield Park P.B. 1:16.1
2006 BMW 130i 6MT RIP
2002 Integra Type R 6MT - Wakefield Park P.B 1:13.9
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Tezz-Winnie
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Yep clean the maf with a product called Pow-r wash. Much better then ultrasonic cleaning and will take 2 minutes. You might need to clean the tps while your at it.

Modifying the intake in anyway without a tune on the Beams is a big no no. Once you get the stock set up the pain will go away im sure.
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wesley
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touge lover
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Tezz-Winnie,May 21 2012
12:57 PM
Yep clean the maf with a product called Pow-r wash. Much better then ultrasonic cleaning and will take 2 minutes. You might need to clean the tps while your at it.

Modifying the intake in anyway without a tune on the Beams is a big no no. Once you get the stock set up the pain will go away im sure.

yeah thought so. It was running a SAFCII which i've removed. yeah I'll do that when i have time. Otherwise the 3SGE power delivery is something to get used to. Same with the noise it makes!

2003 IS200 Sport Luxury 4AT SOLD
2002 WRX STI V7 6MT SOLD
2000 Zenki RS200 Z Etd 6MT SOLD
1999 Zenki RS200 Z Etd 6MT SOLD - Wakefield Park P.B. 1:16.1
2006 BMW 130i 6MT RIP
2002 Integra Type R 6MT - Wakefield Park P.B 1:13.9
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Tezz-Winnie
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You think yours is noisy, wait till you hear mine on full throttle with a fujisubo exhaust! My gf dosent even like it at 5,000rpm lol

Cant wait to strap the turbo on it next month!
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peanut
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Red Horns Devil
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where did u get ur fujisubo from!?!?! i've been looking everywhere for it!

sorry for going off topic
For Vinyl Car Wrapping solutions and CarbonFiber parts email:adam@modbox.works
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Tezz-Winnie
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I didnt, I bought it with the car but with a quick look on Nengun I got a part number for you 760-23814 :) 2.4"pipe 4" outlet. Probaly cost you 1600 delivered to your door (half of that is freight) Ultra expensive to get in Australia I would imagine.
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wesley
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touge lover
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haha if i can afford it i'm gonna go with a zees exhaust and porche 997 tips. a guy in japan did it and it looks sweet!! i like quiet exhausts so gonna stick with ovals.

2003 IS200 Sport Luxury 4AT SOLD
2002 WRX STI V7 6MT SOLD
2000 Zenki RS200 Z Etd 6MT SOLD
1999 Zenki RS200 Z Etd 6MT SOLD - Wakefield Park P.B. 1:16.1
2006 BMW 130i 6MT RIP
2002 Integra Type R 6MT - Wakefield Park P.B 1:13.9
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Tezz-Winnie
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LoL with the ITB's there is no such thing :D Legalis is an oval exhaust system and its still loud! Ill show you on the 9th if your comming for yum cha.

Performance or drivability you decide :D
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wesley
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touge lover
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Posted Image

Zees dual exhaust, 997 tips, Amuse rear lip with custom diffuser

2003 IS200 Sport Luxury 4AT SOLD
2002 WRX STI V7 6MT SOLD
2000 Zenki RS200 Z Etd 6MT SOLD
1999 Zenki RS200 Z Etd 6MT SOLD - Wakefield Park P.B. 1:16.1
2006 BMW 130i 6MT RIP
2002 Integra Type R 6MT - Wakefield Park P.B 1:13.9
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wesley
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touge lover
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Tezz-Winnie,May 21 2012
08:34 PM
LoL with the ITB's there is no such thing :D Legalis is an oval exhaust system and its still loud! Ill show you on the 9th if your comming for yum cha.

Performance or drivability you decide :D

quite true!

2003 IS200 Sport Luxury 4AT SOLD
2002 WRX STI V7 6MT SOLD
2000 Zenki RS200 Z Etd 6MT SOLD
1999 Zenki RS200 Z Etd 6MT SOLD - Wakefield Park P.B. 1:16.1
2006 BMW 130i 6MT RIP
2002 Integra Type R 6MT - Wakefield Park P.B 1:13.9
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