What is your question?
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What is your question?
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
2 Replies
No it shouldn't need a tune-up, that's about the right gas mileage for this vechile.