2007 Hummer H3 Q&A

2007 Hummer H3 Question: tune up

My Hummer H3 has 35,000 miles, do you think is it due for a tune up? I changed the air filter The MPG is about 12 and I drive carefully( 1/2 city, 1/2 highway) Thank you Oscar -
Answer 1
No it shouldn't need a tune-up, that's about the right gas mileage for this vechile. -
Answer 2
it wouldn't hurt but its not really due at this time -
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