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I need new O2 sensor, but any clue why these codes showed up today? Coil packs?

TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

I need new O2 sensor, but any clue why these codes showed up today? Coil packs?

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Old

Feb 9, 2008 | 05:38 PM

#1

N9909E

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I need new O2 sensor, but any clue why these codes showed up today? Coil packs?

TIA -
17524 - Oxygen (Lambda) Sensor Heating; B1 S1: Open Circuit
P1116 - 35-10 - - - Intermittent
16514 - Oxygen (Lambda) Sensor B1 S1: Malfunction in Circuit
P0130 - 35-10 - - - Intermittent
17536 - Fuel Trim; Bank 1 (Mult): System too Lean
P1128 - 35-10 - - - Intermittent
16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 35-00 - -
16688 - Cylinder 4: Misfire Detected
P0304 - 35-00 - -
16687 - Cylinder 3: Misfire Detected
P0303 - 35-00 - -
Readiness: 0010 0001

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Old

Feb 9, 2008 | 05:42 PM

#2

TTschwing

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Lean can cause misfires....Probably related..>>

But not necessarily a CP problem..

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Old

Feb 9, 2008 | 06:06 PM

#3

N9909E

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It acts like it's loading up, though, and won't rev. Also, smells like rich out the exhaust!?!

I'm confused.

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Old

Feb 9, 2008 | 06:09 PM

#4

N9909E

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I replaced the t-carbon pressure tube w/the MAP sensor for the umpteenth time today - maybe I broke

a vacuum line - I dunno.

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Old

Feb 9, 2008 | 07:21 PM

#5

TTschwing

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Rich can cause misfires too! (not to add to the confusion or anything)...:-)

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