GMC Yukon Engine Poor Mileage

Browse GMC Yukon Engine Poor Mileage questions and answers. Choose a question that matches your symptoms.

3 discussions

Poor MPG

2003 GMC YUKON

Sucking Up Gas Like Crazy.

1 ANSWER

1 IMAGE

Asked by Marsha Strickland

Loss Of Gas Mileage.

2002 GMC YUKON

A Short While Ago I Ran A Fuel Injector Treatment Through My Fuel System With A Full Tank Of Gas According To The Treatment Instructions....

1 ANSWER

Asked by Smokestakr

I'm Having Problems With Engine Power And Fuel...

1995 GMC YUKON

I'm Having Problems With Engine Power And Fuel Consumption On My 95 Yukon 5.7l. It Starts Fine. Idles Fine. But When I'm On The Hwy Or Going...

4 ANSWERS

Asked by I-r-welder81

Browse other repair topics

Browse by repair topic

Backfire Burning Oil Damaged Gas Hard to Start Hesitate Idle Erratic Idle High Idle Low Idle Rough Knock Low Power Misfire Noise Not Cranking Over Not Running Oil Leak Overheat Ping Poor Mileage Rattle Revs Up Rich Runs Hot Runs Rough Sputter Squeak Stall While Driving Stall at Idle Surge Tap Tick Vibration Will not shut off

Can’t find your issue?

Ask a new GMC Yukon question