Questions & Answers for: GMC mileage

gas mileage problems after trying the Tornado fuel saver. I have a 2003 GMC Sierra 1500 with 4.3. When I first bought it I was getting about 17 MPG. Then I installed a Tornado Fuel saver and it went ...

Poor fuel mileage I am seeing very poor fuel mileage. About 6 m/gal. I have removed the cat. converts. There is not engine light. Replace the ignition (plugs, wires, cap, rotor) & replaced the air ...

1996 1500 Silverado V6 4.3 gas mileage. Is there anything I can install to get better gas mileage with this truck? I have heard about throttle body spacers, but don't know if they actually work, is ...

poor fuel mileage What is the mileage? "poor" is relative. What was the mileage in the past? what is the mileage now? where do you drive? how long? what speeds? weather? I get about 14mpg avg in city.

2008 GMC Sierra 1500,have no manual,have display telling me low tire pressure and no mileage;how do I get my mileage display back? you should be able to go and push the trip reset button on the ...

will my mileage erase if i replace the old cluster, 2003 GMC YUKON no your mileage will stay the same. Your actual mileage is stored in your vehicles computer (ecm) your cluster just displays the ...

poor gas mileage Cause you're driving a bus. lol. Mileage will vary depending on what fuel you use, how you drive, and where you're located. typically what i've seen on trucks like yours, i'm asuming ...

2004 GMC Canyon fuel mileage issues? poor fuel mileage If the check engine light is on, you would need to get the codes.  If not, it depends on how bad the mileage is.Very few things could affect

will changing the cluster on my 2001 z71 change the mileage No,changing the cluster will not change the mileage.

I drove it with the 4 wheel drive on dry pavement for a long while and my mileage has gotten poor,what could have gotten damaged from my mistake? The 4 wheel drive seems to be working fine, but my ...