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2003 yukon xl multiple trouble codes all at once
hello all new to the forum here. i have a 2003 yukon xl with almost 300,000 miles, 5.3 flex v8. all was good till last week when i got multiple po codes. i have 3 p0449 which is the evap code. 1 pending, 1 confirmed and such, a u1000 code which is for the computer? , and also co226 + 222 codes...- autoxfreak
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- Forum: Engine & Drivetrain
