2001 Mercedes-Benz ML430 Q&A

2001 Mercedes-Benz ML430 Question: P0170 and p0173 fault code

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? -
Answer 1
cxk for vac leak or poss mass air flow sensor is going bad. oil change and tune will not repair this issue. -
Comment 1
how to fix this problem? and any safety problem for driving. Thanks. -
Comment 2
As long as it is not stalling at idle, ok to drive to repair shop for testing. Agree with answer1. -

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