GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

Check engine light with tune

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Old Mar 30, 2011 | 07:03 PM
  #11  
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From: Seabrook Tx
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It's running fine, its been coming on and going off for a few weeks.
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Old Mar 31, 2011 | 02:16 AM
  #12  
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From: Sealy/Katy TX
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I just saw this thread.
I don't recall an email but send me a pm if you don't mind.
Any autozone can read the codes
Let me know what it is
Thanks
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Old Apr 9, 2011 | 11:40 AM
  #13  
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Looks like P0121 the scanner said Throttle position/pedal sensor.
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Old Apr 9, 2011 | 01:53 PM
  #14  
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From: Gonzales, la
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stock TB? harness plugged in all the way?
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Old Apr 9, 2011 | 03:02 PM
  #15  
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From: Seabrook Tx
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Stock TB, i haven't ever messed with it so i couldn't really see why it would be loose but i will check it out. I am sure stranger **** has happened
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Old Apr 9, 2011 | 06:21 PM
  #16  
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From: Gonzales, la
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yeah like the carbon built up on it or it has oil on it
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Old Apr 9, 2011 | 07:22 PM
  #17  
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That would be a sweet fix, hopefully it's something minor. It is kind of annoying with only 51k on the ticker, thanks for the direction Ken
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Old Apr 9, 2011 | 07:32 PM
  #18  
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From: Gonzales, la
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got a buddy close with a truck like yours? swap the TB an see if it continues
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