P0170 and p0173 fault code on 2001 Mercedes-Benz ML430

I had oil change, air filter change, also tune-up done 2 weeks ago, still check engine light on what should I do? Is it ok still driving?

by in Buffalo, NY on November 19, 2012
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1 answer 2 comments
ANSWER by , November 19, 2012
cxk for vac leak or poss mass air flow sensor is going bad. oil change and tune will not repair this issue.
COMMENT by , November 19, 2012
how to fix this problem? and any safety problem for driving. Thanks.
COMMENT by , November 19, 2012
As long as it is not stalling at idle, ok to drive to repair shop for testing. Agree with answer1.