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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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11-19-2014, 02:02 PM
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#1 |
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Takeda aFe intake cause CEL? Code: P0171.
The CEL on mu car on today so I took it to toyota dealer.
They check the code and told me that this is because of my Takeda cold air intake, and give me a code P0171. They said it is because the engine get too much air. I have never hear about that before. An aftermarket intake cause CEL? I did not tune it cuz I think it not a must. And I did reset the ECU by disconnecting battery. Can anyone give a suggestion? Thank you.
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11-19-2014, 02:33 PM
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Junior
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MAF sensor is not scaled properly and causing it to read rich giving you a CEL.
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11-19-2014, 03:53 PM
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Quote:
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11-19-2014, 05:39 PM
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Junior
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Quote:
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11-20-2014, 02:45 PM
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Too much air, car going too lean. Had the same problem on my KN Typhoon. OFT stage 1 reflash with modified MAF (Some manufactures will provide this, if not you'll have to data log and do it on your own) will solve this.
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