Bought a car, tune is completely borked. Halp? - Page 5 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-22-2013, 05:55 PM   #81
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Quote:
Originally Posted by Fireindc View Post
Anything is possible. I had an AEM sensor go apeshit on me before and take tons of fuel out of my tune while autotuning until the car ran like complete horseshit. Then the next day (after reverting my map) the afr's were spot on. I ended up replacing that sensor and all is well.
Interesting. I use AEM widebands on both my cars. I do have the EGO correction off completely though in this tune.
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Old 11-03-2013, 02:47 PM   #82
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I have installed a new set of coils and the problem still persists.
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Old 11-04-2013, 03:49 PM   #83
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I have a stock PCV system, maybe it is oil causing the ping?
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Old 11-04-2013, 04:23 PM   #84
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Are you consuming oil? Or haven't you driven enough to be able to tell? You would have to be consuming a lot of oil to reduce octane significantly.
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Old 11-05-2013, 03:16 AM   #85
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Originally Posted by hornetball View Post
Are you consuming oil? Or haven't you driven enough to be able to tell? You would have to be consuming a lot of oil to reduce octane significantly.
I have only run a few tanks through since buying it. I'm about to put it up for sale because everyone is clueless.

Only thing I can think of left is maybe the wideband lies. Since the ms uses it I doubt it is since it didn't act lean ever.
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