My m104 smells lean,no codes except secondary air injection p0410 code.I have no full throttle,or can't run past 3,000 rpm.
What do you all think Maf or oxygen sensor,both have a 178,000 miles on them

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1999 w140, quit voting to old, and to old to fight, a god damned veteran,you are a citizen of the world, all peoples are
cousin's, love all life, your love is enternal