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      01-02-2013, 03:27 PM   #1
Steve1155
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Engine code diagnosis???

Do things codes separately or together give an idea of the overall problem. P0174, P29E1, P29ED. Car has Cobb stg2 aggressive. DP's and Midpipes, DCI.
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      01-02-2013, 03:34 PM   #2
RnmEvo9
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29E1 = fuel mixture control 2
29ED = mixture adaption, lower speed range

I can't find the other one, but if I were you, I would log with the AP and see what is going on with your car.
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      01-02-2013, 03:40 PM   #3
135Pats
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Log it, you'll see if anything is out of whack..FWIW I got a P29E1 after using too aggressive an E85 mixture not long ago, cleared the code the next time I filled up with 93 pump, and has yet to return. The car drove fine with the code, though I had cleared it and filled back up within 48 hours of pulling it from Cobb.
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      01-02-2013, 04:25 PM   #4
Steve1155
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I am running E85 and this only came up when I was below a quarter if a tank so today on the way home ill fill up with 93 and see if it takes care of the problem. Thanks.
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      01-02-2013, 08:00 PM   #5
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GL i should also add that i didnt get any lean codes and the car was starting fine, i was running about e40 for half a tank of driving.
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