memphis40 Posted October 23, 2011 Report Posted October 23, 2011 Hi all, Many thanks for all the info I have picked up from this site, One thing I do not understand is that I had my back box and middle box repaced 10 days ago and since then I have gone from 45mpg to 33mpg and I have not changed my driving style, any idea as to why this would happen? 2000 ford galaxy 1.9tdi 115 MKII. Quote
gregers Posted October 23, 2011 Report Posted October 23, 2011 has your booster heater kicked in since the temprature has dropped ? Quote
Mirez Posted October 23, 2011 Report Posted October 23, 2011 Bloody ell gregers a loss of 12mpg I would want flames spitting out of the heater for that lol! Have they fitted the right exhaust? If its a smaller bore then the engine cant get rid of the waste fumes so its working harder and using more fuel. Quote
seatkid Posted October 23, 2011 Report Posted October 23, 2011 Maybe they used a lump hammer to get the old exhaust off and damaged the cat (causing a blockage and greatly reduced performance) Quote
memphis40 Posted October 24, 2011 Author Report Posted October 24, 2011 has your booster heater kicked in since the temprature has dropped ? Hi, thanks for the reply, I have not noticed the jet engine noise if that is what you mean, but then the outside temp on the dispay on the dash has not been below 7oC. Quote
memphis40 Posted October 24, 2011 Author Report Posted October 24, 2011 Maybe they used a lump hammer to get the old exhaust off and damaged the cat (causing a blockage and greatly reduced performance) I have not noticed any reduction in performance, only a wee bit slugish when cold, and the old limp home mode when accelerating quickly when joining a motorway, but switching of engine and re-starting cures that. (Does not do it all the time though, and was doing it before the exhaust change). Quote
memphis40 Posted October 24, 2011 Author Report Posted October 24, 2011 Bloody ell gregers a loss of 12mpg I would want flames spitting out of the heater for that lol! Have they fitted the right exhaust? If its a smaller bore then the engine cant get rid of the waste fumes so its working harder and using more fuel. Maybe, I will go to exhaust centre this week and make enquires. Quote
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