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codes 171 and 174 rough idle 2005 yukon 5.3
on my wifes 2005 yukon w/ a 5.3 i am having the following codes showing up 171 and 174 started showing up yesterday after an oil change. the oil change place said it was almost out of oil. he showed my wife the dipstick. when i got in it today i noticed rough low rpm idle, sometimes dies but...- vschlenk
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