What causes power loss in a 1990 gmc 3500 3speed when going up any kind of incline or small hills can be doing 60mph and bogs down to about 30mph

Asked by Aug 26, 2015 at 08:22 AM about the GMC C/K 3500 Series

Question type: Maintenance & Repair

2 Answers

18,170

Sounds like something in the gas tank is being sucked into the fuel pump filter.

22,465

yes..first check/change fuel filter/pressure...

Your Answer

Add photo

Related Questions

Search GMC C/K 3500 Series Questions

GMC C/K 3500 Series Experts

Related Models For Sale

Used Chevrolet C/K 3500
254 listings starting at $5,250
Used GMC Sierra 3500HD
48 Great Deals out of 4,173 listings starting at $8,000
Used Ford F-350 Super Duty
394 Great Deals out of 27,035 listings starting at $3,000
Used Dodge Ram 3500
81 Great Deals out of 2,154 listings starting at $5,250
Used GMC Sierra 3500
7 Great Deals out of 245 listings starting at $5,950
Used Chevrolet Silverado 3500HD
145 Great Deals out of 8,372 listings starting at $5,195
Used GMC Sierra 2500HD
114 Great Deals out of 14,730 listings starting at $2,650
Used Chevrolet C/K 2500
218 listings starting at $5,900
Used Chevrolet Silverado 2500HD
321 Great Deals out of 27,098 listings starting at $1,250
Used Chevrolet Express
43 Great Deals out of 5,544 listings starting at $1,200
Used Chevrolet Silverado 3500
23 Great Deals out of 594 listings starting at $4,998
Used Dodge Ram 2500
135 Great Deals out of 5,331 listings starting at $2,500
Used Chevrolet Silverado 1500
1,815 Great Deals out of 168,314 listings starting at $1,950
Used Chevrolet Silverado Classic 3500
7 Great Deals out of 111 listings starting at $7,950