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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > odd CEL



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      01-25-2017, 09:07 PM   #1
mrichter
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odd CEL

hey everyone

i have an 08 e90 335i with 138,000km. just had the car through my local indy (RW Motorsports in Victoria, BC if anyone's looking) did the valve cover, PCV, OFHG, coolant flush, upper rad hose, walnut blast the intake and an oil change.

so about two months down the road now, under hard acceleration, i get the check engine light in the display, but not the one that is the dash light that comes on when you start the car.

i get no loss of power, no popping...nothing. shut the car off, restart and it goes away.

i have the carly app which is able to read stored codes, but i have none!! that is the most frustrating part.

Anyone with any suggestions? don't really want to take it in, but seems like the only way to get a read on it, would be with my indy shops live monitoring.
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      01-26-2017, 02:05 PM   #2
mrichter
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Nobody!?
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      01-26-2017, 02:11 PM   #3
mojobmw_e90
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U need to keep it under load so it actually throws a code and stays lit on the dash, if it just come up and disappears it won't be readable
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      01-27-2017, 11:04 PM   #4
mrichter
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So I got the codes read today. I'm getting 2f6c 2c7f and 30ff. I'm going to take it in and have it checked for a vacuum leak first, then go from there. Maybe change out the two 02s from behind the cats if there isn't a vacuum leak and see if that helps.
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