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ecoxantia · 08-03-2008, 03:58 PM

Just registered - this is the forum I've been looking for for some time!

I have a Citroen Xantia HDi, for the non-Europeans that's a hatchback with already very good aerodynamics, a class-leading (8 years ago) direct injection turbo-diesel with 110hp. I get up to 55mpg (UK) or 5.1 l/100km, measuring over 600 miles, but with fuel at over $2.50 a litre I would like to do better...

It looks to me like adding an undertray at the front and back will be worth doing - the car may well have had one at the front from the factory.

If anyone has fitted a mpg display to this car, I'd be very interested to hear how. It has a OBDII connector which apparently uses an ISO standard.

Simon

08-03-2008, 03:58 PM	#1 (permalink)
ecoxantia EcoModding Apprentice Join Date: Aug 2008 Location: UK Posts: 104 Fizz - '06 Skoda Fabia Combi TEAM VW AUDI Group 90 day: 56.62 mpg (US) Thanks: 3 Thanked 9 Times in 7 Posts	Hi from the UK Just registered - this is the forum I've been looking for for some time! I have a Citroen Xantia HDi, for the non-Europeans that's a hatchback with already very good aerodynamics, a class-leading (8 years ago) direct injection turbo-diesel with 110hp. I get up to 55mpg (UK) or 5.1 l/100km, measuring over 600 miles, but with fuel at over $2.50 a litre I would like to do better... It looks to me like adding an undertray at the front and back will be worth doing - the car may well have had one at the front from the factory. If anyone has fitted a mpg display to this car, I'd be very interested to hear how. It has a OBDII connector which apparently uses an ISO standard. Simon