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Hummer
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Poor Mileage
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I just bought a 2003 H2 I know they have.
DAVID7734
MEMBER
2003 HUMMER H2
12,800 MILES
I just bought a 2003 h2 I know they have horrible mpg anyway, but is there anything I can do myself to improve the mpg in any way?
Saturday, March 23rd, 2013 AT 1:16 AM
2 Replies
JACOBANDNICKOLAS
MECHANIC
109,951 POSTS
About the only thing you can try is to make sure the air filter is clean and check it for a tune up.
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Saturday, March 23rd, 2013 AT 2:00 AM
DAVID7734
MEMBER
2 POSTS
Ok thank you. Is there anything after market I can put on it that might help?
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Saturday, March 23rd, 2013 AT 2:44 PM
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