2003 with EMU Idle droop and fluxuating and other issues - Miata Turbo Forum - Boost cars, acquire cats.

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Old 09-11-2011, 11:13 PM   #1
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Default 2003 with EMU Idle droop and fluxuating and other issues

EMU, 2003 with JR M45 and FMIC. (also has a fidenza flywheel). 150mm and 65mm pulleys. (7psi so far)

Dies every time at a light with ac on, nearly every time otherwise.
Sometimes it will have idle ossilation from 1500-2500. and when driving it will do that also, very noticable at very light throttle. it doesnt want to decel very well either. not consistant.

as far as I can tell it is using the factory(?) map sensor and no wideband. I was given a innovate wideband to put on it.

i have read through alot of the EMU stuff online and dont really know where to start for the most part. It needs to stay piggyback to pass obd2 emissions plugin.....

any advice?
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Old 09-11-2011, 11:53 PM   #2
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What factory map sensor? What injector settings are you using? Get the wideband in dont blow the engine!
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Old 09-12-2011, 12:31 AM   #3
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That's what I said when I asked about it.

Not sure on the settings. BEen running like this for a long while. I'ts new to me though.

What settings am I looking for?
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Old 09-12-2011, 11:16 AM   #4
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Injector lag times. You need a pressure swich from Greddy. There is lots of starter info on this forum search through. There should be good info on some of my threads to get you started as well as other members.
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Old 09-13-2011, 10:33 PM   #5
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ordered the harness, switch and the wbo2 harness.
have a LC-1 to put on it.

tune should be very safe and conservative (what i want) after doing research on it.

still working on finding the emanage in the car... found the harness at least. looks like it is a plug and play pre made one (or a very very very good custom one), cant recall the brand but have seen it on here many times.

dont have alot of free time to poke around it...
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