Re: H2 loses power going uphill????
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Originally Posted by rbc831
My 2004 Hummer H2 is losing power when going uphill at higher speeds, i.e. on the interstate. At the same time the temp gauge bumps up and down. Any help????
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maybe catalytic converter ?
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Yellow 2003 H2 Luxury ALPHA , 2" lift, Black Helo Maxx8 20 X 10 Rims, Toyo AT Open Country II LT35/12.50/R20 tires, taillight guards and black LE brush guard, KC light bar w/4 Daylights, Recon Smoked roof lights, Sirius/XM Satellite Radio, Kenwood Head Unit , 4 - 6-1/2 inch Polk Audio Speakers, solid billet tailgate handle,HUMMER H2 Ghost lights ib front doors
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