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Q: 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?
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cxk for vac leak or poss mass air flow sensor is going bad. oil change and tune will not repair this issue.
As long as it is not stalling at idle, ok to drive to repair shop for testing. Agree with answer1.
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