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O2 sensor symptoms? P0134, crazy idle

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Old May 31, 2014, 11:45 AM
  #46  
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FINALLY - on my first Evo (08') I had this happen at times - never knew of anyone else that had this... questions for you:

1. Are you modded?

2. Did you get a tune?

It's probably one of those. If you're running lean - act fast and fix it before you start digging in your pockets, bro...
Old May 31, 2014, 05:04 PM
  #47  
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Originally Posted by Phantom_x2
FINALLY - on my first Evo (08') I had this happen at times - never knew of anyone else that had this... questions for you: 1. Are you modded? 2. Did you get a tune? It's probably one of those. If you're running lean - act fast and fix it before you start digging in your pockets, bro...
The issue was a bad protune. I was retuned by a different tuner and all these symptoms went away. It's been a few months now and the car is doing great with the new tune.
Old Jan 29, 2016, 06:18 PM
  #48  
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I've had this problem for years. I replaced both sensors and Monday I'm swapping out my test pipe for ETS J BUNG. New aem Intake and MAF to protect the filter from ac compressor. My tuner is my friend I'll see what he thinks. I'll post my findings
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