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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > intake temp sensor issues



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      09-08-2018, 03:15 PM   #1
BimmerInBlue
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intake temp sensor issues

I did a DIY of cleaning my intake valves 2 weeks ago, when I put everything back together i swapped the 2 left plugs that go into the ECU on the intake manifold. Codes were thrown I switched them cleared the codes and two have persisted.

When cold the car runs a bit rough but is smooth when it reaches operating temp. Makes and holds boost fine. I am just hoping I didnt fry the DME.

Any ideas, or help would be greatly appreciated, thanks.

car: 2011 e90 335i, all new spark plugs, OG coil packs, and 40k miles.

mods: MHD 2+ 91 cali gas + 2 gallons e85, FMIC, and catless-DP.

codes:
Active: 29D0 - intake air temperature sensor, electrical: Short circuit to B+.
Shadow: 290A - intake air temperature sensor: Multiple fault.
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      12-01-2018, 08:18 AM   #2
N55xi
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We're you able to fix the codes? I'm having the same ones right now. Car is stock except for chargepipe and intercooler.
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