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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Rough/ low idle please help...

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Old April 18th, 2021, 10:57 PM
  #11  
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Just curious what is spec idle supposed to be. Our 2020 Tahoe idles in gear at about 500,and our 05 & 93 suburbans all idled close to that in gear.
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Old April 19th, 2021, 8:26 AM
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My '11 idles at 600 to 625 in neutral, never paid attention to in gear rpm, I only look at rpm at idle when scanning.
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Old April 19th, 2021, 8:39 AM
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If it isn't too much trouble can you provide the fuel trim rdgs?
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