Drop in MPG
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Elder User
Joined: Oct 2007
Posts: 783
Likes: 0
From: Nova Scotia
Drop in MPG
Hey all...
I'm looking for any suggestions I can look into as to why the mileage on my 01 Excursion is so bad. Did a 350 mile trip yesterday with 95% being highway @ just under 2000 RPMs. There was a stiff breeze as well which probably didn't help. I'm lifted about 6 inches with 35's with 200,000k on the clock.
I got just under 12 MPG...
Has anyone had any issues with injectors being an issue with this mileage? Could leaks in the turbo system cause a dramatic loss in MPGs?
Hopin' I can figure something out.
BTW, also running a DP Tuner and had it on the 80 econ setting..
Thanx!
I'm looking for any suggestions I can look into as to why the mileage on my 01 Excursion is so bad. Did a 350 mile trip yesterday with 95% being highway @ just under 2000 RPMs. There was a stiff breeze as well which probably didn't help. I'm lifted about 6 inches with 35's with 200,000k on the clock.
I got just under 12 MPG...
Has anyone had any issues with injectors being an issue with this mileage? Could leaks in the turbo system cause a dramatic loss in MPGs?
Hopin' I can figure something out.
BTW, also running a DP Tuner and had it on the 80 econ setting..
Thanx!
Senior User
Joined: Oct 2010
Posts: 217
Likes: 0
From: Rineyville, KY
Boost leaks will defenitly kill mpg. First off check all the intercooler and spider boots for tightness, and check for leaks at the up pipes. If the up pipes are leaking there should be some soot on the pipe or on the fire wall next to the pipe. Hope this helps, and keep us posted on what you find.
Postmaster
Joined: Jan 2009
Posts: 2,667
Likes: 1
From: Glen Rose,Texas
^^^^What Brad said.This sometimes helps as well:
Welcome to guzzle's Exhaust Backpressure Sensor Cleaning Maintenance Web Page
Welcome to guzzle's Exhaust Backpressure Sensor Cleaning Maintenance Web Page
