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View Full Version : 07 grand scenic 1.9 dci remap



justy22
8th December, 2013, 01:33 PM
I want to get more power out of my grand scenic whats the best way to go, tunning chip box on ebay for ?89 40% power 20%mpg are these any good

teerak2uk
8th December, 2013, 01:35 PM
I think they are ok but better power,mpg combination from a map

wiseman
8th December, 2013, 01:48 PM
Tuning boxes alter 1 engine parameter usually fuel pressure, it increases pump voltage by tricking rail pressure sensor.
Altering the engine flash by remapping is by far better and ultimately more reliable(Tuner dependant obviously)
Also see those gain percentages you have quoted, they are about as real as Santa

teerak2uk
8th December, 2013, 01:52 PM
But advantages of plugin if an issue occurs it can always be unplugged

teerak2uk
8th December, 2013, 01:55 PM
Tuning boxes alter 1 engine parameter usually fuel pressure, it increases pump voltage by tricking rail pressure sensor.
Altering the engine flash by remapping is by far better and ultimately more reliable(Tuner dependant obviously)
Also see those gain percentages you have quoted, they are about as real as Santa

You mean Santa's not real!!!!!!

wiseman
8th December, 2013, 01:58 PM
You mean Santa's not real!!!!!!

wondered how long that would take :)

wiseman
8th December, 2013, 02:06 PM
233953

Here Is how to build one for 10 quid from Maplin. Merry Xmas