Skip to main content

Site Navigation

Your Account

Choose Language

Need help getting better fuel mileage

A running 2011 Pete 387 and averaging 5.7 mpg and I wanna no wht can I do to get better fuel mileage it's the Cummings motor isx7 I believe

Answer this question I have this problem too

Is this a good question?

Score 0

Comments:

No def it has a regen system but one def

by

Where u get that filter

by

probably from fleet air... http://fleet-airfilters.com/

by

Add a comment

5 Answers

Does this truck use DEF? I have a 2011 Pete 386 with a Cummins ISX that uses DEF and the only things done to this truck is Fleet Air Filter, all position tires on drives and pull a flat bed trailer and loaded weight normally 78,000 and I've been avg 7 mpg

Was this answer helpful?

Score 0
Add a comment

Zerzy is right from fleet air filters

Was this answer helpful?

Score 0
Add a comment

Make sure you have the lowest rolling resistance tires possible.

Was this answer helpful?

Score 0
Add a comment

Also make sure charge air cooler isn't leaking

Was this answer helpful?

Score 0
Add a comment

what is avg load weigh, and what is avg speed you run? be honest now...

Was this answer helpful?

Score 0

Comments:

Avg wt is 78,000lbs 90 percent of time and never run over 60mph except down hill then watch out

by

Add a comment

Add your answer

Your will be eternally grateful.
View Statistics:

Past 24 Hours: 0

Past 7 Days: 0

Past 30 Days: 0

All Time: 362