Having problems with your GMC Cars & Trucks ?
I'm working on a '99 GMC C6500, The vehicle's left tank was filled 1/2 way, its a dual tank system, I asked if the right tank was also filled, no it hasn't been filled in along time, t
\015 This vehicle has dual tanks in it.\015
Solved by owner
Repair Help & Product Troubleshooting for GMC Cars & Trucks
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.