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'03 Express 6.0L-codes PO101,PO171,PO174

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Old January 24th, 2011, 7:45 AM
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Default '03 Express 6.0L-codes PO101,PO171,PO174
6.0L, 125,000mi., gives MAF(Mass Air Flow) & "lean" codes. some missing particularly during warm up. also outside temps less than 30 degrees.
std,paper air filter-MAF sensor looks clean-

Anyone had problems with these codes with 6.0L engine ???

Thanks for your help !!
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Old February 4th, 2011, 2:17 PM
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u can check the correspoding errors according to ur codes in ur manual or else consult a dealer to sort the issue out.
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