Fuel-economy focused
Eco / MPG Remap
Eco tunes target highway and steady-cruise efficiency: leaner cruise AFRs (toward 16:1 on petrol, lambda 1.05-1.10), earlier upshifts on automatics, deactivated cylinders held longer. Real-world 5-12% MPG gains, no peak-power compromise.
HP Gain (est.)
+8
Gain Type
MPG gain
Torque (low)
+5 ft·lb
Map Life
OEM-equivalent
At a Glance
✓ Pros
- • 5-12% fuel-economy gain
- • Lower CO2 emissions
- • Smoother part-throttle response
- • Pays for itself on fleet vehicles
✗ Cons
- • Lean cruise can raise EGT
- • Not for short-trip drivers
- • No power increase to brag about
- • Some tuners cut quality on eco maps
Best For
Long-distance commutersFleet operatorsDiesel light trucksHybrid platform extensions
Eco / MPG Remap Specifications
Origin / Era
Fuel-economy focused
Driving Feel
Lazier throttle, leaner cruise, smoother shifts
Climate Window
both
Beginner-Friendly
Yes
Use Case
Eco
Noise / Drivability
quiet
Map Aggression
small
Install / Dyno Hours
1 hr
Torque Gain (high)
+10 ft·lb
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