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Old 01-02-2020, 01:21 AM   #1
remcafee
 
Drives: 2007 Toyota Yaris 3 door
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Injen intake, CEL P0101

Anyone else have an injen intake and get a p0101 code with it? I tried cleaning the maf sensor and still getting it, I don’t think the sensor is bad, it all of the sudden came on as soon as I put the injen intake on, any advise is much appreciated!
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Old 03-06-2020, 10:06 AM   #2
JimKellyfan
 
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2010 Yaris sedan, TRD CAT back (sport muffler only, really), OBX header (relocated front AF sensor to front pipe), OBX throttle plate spacer, K&N filter (in stock air box-for now), TRD struts and shocks, Mexico Rough Road Springs x 4, new Yota sway bar links front, slotted/drilled rotors and Maxx brakes front, Valvoline synthetic brake fluid, 3M undercoated, 16" Konig Feathers Michelin Pilot Sport AS 3 + Tires
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Old 03-06-2020, 12:11 PM   #3
Jason@SportsCar
 
Drives: 2015 H Production Yaris
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Quote:
Originally Posted by remcafee View Post
Anyone else have an injen intake and get a p0101 code with it? I tried cleaning the maf sensor and still getting it, I don’t think the sensor is bad, it all of the sudden came on as soon as I put the injen intake on, any advise is much appreciated!
Is there a baffle in the Injen tube before the MAF? The MAF is sensitive to flow, there have been a number of CAI that have triggered this code on the Yaris because the flow is outside the acceptable range.

The K&N intake has a shield welded in the tube that tricks the MAF.
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Old 03-06-2020, 02:52 PM   #4
remcafee
 
Drives: 2007 Toyota Yaris 3 door
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I ended up getting an arm intake and it’s all good now, I don’t know why the injen wasn’t working, weird
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