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#2
07-08-2011, 05:06 AM
Hummer Expert
Join Date: Dec 2007
Location: Panama City Fl
Posts: 571
Re: H2 loses power going uphill????
Quote:
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????
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
#3
07-08-2011, 01:15 PM
Hummer Authority
Join Date: Jun 2005
Location: Key Largo
Posts: 1,174
Re: H2 loses power going uphill????
These are very heavy vehicles and don't blast up hills, especially in the mountains. I've been known to have my foot to the floor going uphill on I70 in the Dillon, CO area MANY times. The H2 does better in the mountains uphill than my H3 did though.
#4
07-09-2011, 12:31 AM
Hummer Veteran
Join Date: Oct 2007
Location: Annapolis, MD
Posts: 123
Re: H2 loses power going uphill????
I agree with Jim, these are heavy trucks and you should not be surprised to loose signficant speed going up hill even on the Interstate. Unless you pre-plan and get into the accelerator prior to loosing speed which is usually what I do. Your description of loosing power really doesn't make sense so try to explain it in a different manner.
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