chrisrhondda Posted November 27, 2008 Posted November 27, 2008 Hi all I got a c5 2.0hdi 110 VTR and i've placed earlier posts saying about the car being spluttery and not ticking over tidy? Anyways according to the computer my average mpg if 32.8mpg which i think is terrible? That is combined motorway and town driving. Can someone give me and recommendations i've changed all the filters etc. i've used greased 2000 total fuel system treatment. Quote
Randombloke Posted November 28, 2008 Posted November 28, 2008 Anyways according to the computer my average mpg if 32.8mpg which i think is terrible? That is combined motorway and town driving. Be worth checking fuel economy manually between fill ups. Reset the trip computer also next time you fill up. When I got my C5, there had been a glitch which had the trip computer reading 99.9 mpg. A clear and reset showed me high 30s (2.2) which improved after DPF replacement to low 40s. Small fill ups (less than 10 litres) can confuse the trip computer. Have you checked the MAF sensor? Quote
chrisrhondda Posted November 28, 2008 Author Posted November 28, 2008 How do i check that fella ?? Quote
chrisrhondda Posted November 28, 2008 Author Posted November 28, 2008 Hi there is the maf sensor on the pipe coming from the air filter, if it is i just unplugged it and there was no difference in sound when it was unplugged????? whats it supposed to do when i unplug it ?????? obviously i had the engine running ? Quote
techbod Posted November 28, 2008 Posted November 28, 2008 How do i check that fella ?? you fill the tank from the red light and see what you get mpg wise then you alter your driving style to see whats the best Quote
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