Does a Remap Make it Thirstier ?

Hi, I'm considering getting my 650 remapped but does anyone know or have personal experience of a remap on a petrol engine to say whether it makes it thirstier or not ?
 

SLEEPER

Pro Tuner
Points
572
A remap done properly will improve the engines efficiency which will give more power

If you were to drive it the same speed as before you would get more mpg..................

Except no one ever does.
 

gummy

Torque Master
Points
27
Location
england heathfield
Car
skyline r34 gtt
I got to say! i had a remap went from 280 to 320 bhp with a board fitted into ecu,and get more to the gallon,so imo you do get more mpg,and car was a lot better response etc.
 

TommyTwinCams

Track Warrior
Points
42
Location
Shelton, Connecticut, USA
Car
2004 Saturn Ion 2.2
It depends on the remap in question.

Here in the states, we have a car here called the Chevrolet Cruze Eco (I know you get the Cruze over there, but if I recall, it's diesel only. Please correct me if I'm wrong). The car is equipped with a turbocharged 1.4L gasoline direct injection 4 cylinder, and is rated at 42 MPG (miles per gallon) highway when equipped with the 6 speed manual. A company called "Trifecta Performance" offers a mail order remap for the stock ECM that ups the power levels from 138 HP and 148 ft-lbs to 170 HP and 200 ft-lbs (dyno proven). This remap also increase the fuel efficiency as noted by everyone who's installed it, with 55 MPG being pretty common. That's just an example but like I said, it depends on the remap.
 

obi_waynne

Administrator
Staff member
Moderator
Points
1,157
Location
Deal, Kent UK
Car
A3 1.4 TFSI 150 COD
It depends how you drive it, if you take advantage of the extra power on offer then it will be lower. If you drive at the same speeds/throttle style as before it will usually be improved.

Diesels nearly always improve noticeably on MPG after a remap! Petrols generally show a marginal improvement but it does depend on the parameters of the remap. Some people specify better mpg at lower RPM and more power at the top end which seems sensible to me!
 

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