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#1
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#2
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Hi, I seem to be getting poor fuel economy in my Escort ('96 1.6 Zetec). Last time I calculated it, I was getting about 27mpg. I do 25 miles a day, of which 20 is motorway, 3 is rural and 2 is urban. At the MOT all the emissions were spot on, but I have noticed that when I come off the motorway the engine idles at about 1500 rpm for 30 seconds or so before dropping down to normal. Is the economy I'm seeing acceptable? If not, any suggestions what could be wrong (apart from having a crap car!!)? |
#3
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Iain McLaren wrote: Hi, I seem to be getting poor fuel economy in my Escort ('96 1.6 Zetec). Last time I calculated it, I was getting about 27mpg. I do 25 miles a day, of which 20 is motorway, 3 is rural and 2 is urban. At the MOT all the emissions were spot on, but I have noticed that when I come off the motorway the engine idles at about 1500 rpm for 30 seconds or so before dropping down to normal. Is the economy I'm seeing acceptable? If not, any suggestions what could be wrong (apart from having a crap car!!)? MAF, coolant temperature sensor or O2 sensor. |
#4
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MAF, coolant temperature sensor or O2 sensor. Thanks - would getting those tested require a trip to a garage with some test equipment? Any idea what sort of mpg I should be expecting (assuming sensible driving)? |
#5
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Hi, I seem to be getting poor fuel economy in my Escort ('96 1.6 Zetec). Last time I calculated it, I was getting about 27mpg. I do 25 miles a day, of which 20 is motorway, 3 is rural and 2 is urban. At the MOT all the emissions were spot on, but I have noticed that when I come off the motorway the engine idles at about 1500 rpm for 30 seconds or so before dropping down to normal. |
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Is the economy I'm seeing acceptable? If not, any suggestions what could be wrong (apart from having a crap car!!)? |
#6
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Iain McLaren wrote: Hi, I seem to be getting poor fuel economy in my Escort ('96 1.6 Zetec). Last time I calculated it, I was getting about 27mpg. I do 25 miles a day, of which 20 is motorway, 3 is rural and 2 is urban. At the MOT all the emissions were spot on, but I have noticed that when I come off the motorway the engine idles at about 1500 rpm for 30 seconds or so before dropping down to normal. That's normal. Is the economy I'm seeing acceptable? If not, any suggestions what could be wrong (apart from having a crap car!!)? I used to get 36mpg from mine driven sanely under the conditions you give, so your economy is low. How are you checking the figures? You need to fill it, stopping on the first click, and reset the trip. When the tank is nearly empty, fill it from the same pump. Calculate your consumption from that, don't use the petrol gauge. Sandy Nuts suggestions are the first things to try, although you don't mention what servicing it has had. If it's really been neglected, the air filter could be choked, the plugs could be misfiring slightly, one or more brakes could be sticking on, even under-inflated tyres will have an effect. Unless you are sure of its condition, it might be worth servicing it. Chris |
#7
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Hi, Yeah, it has been a bit neglected. It gets what it needs, but that's about all. The air filter was OK last time I checked. It could probably do with some new plugs though...they've definately not been changed for a while. The brakes do need freeing up fairly regularly too...it doesn't feel like they're binding, however (ie it seems to coast OK). |
#8
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I seem to be getting poor fuel economy in my Escort ('96 1.6 Zetec). Last time I calculated it, I was getting about 27mpg. I do 25 miles a day, of which 20 is motorway, 3 is rural and 2 is urban. At the MOT all the emissions were spot on, but I have noticed that when I come off the motorway the engine idles at about 1500 rpm for 30 seconds or so before dropping down to normal. That's normal. Is the economy I'm seeing acceptable? If not, any suggestions what could be wrong (apart from having a crap car!!)? I used to get 36mpg from mine driven sanely under the conditions you give, so your economy is low. How are you checking the figures? You need to fill it, stopping on the first click, and reset the trip. When the tank is nearly empty, fill it from the same pump. Calculate your consumption from that, don't use the petrol gauge. Sandy Nuts suggestions are the first things to try, although you don't mention what servicing it has had. If it's really been neglected, the air filter could be choked, the plugs could be misfiring slightly, one or more brakes could be sticking on, even under-inflated tyres will have an effect. Unless you are sure of its condition, it might be worth servicing it. Chris Hi, Yeah, it has been a bit neglected. It gets what it needs, but that's about all. The air filter was OK last time I checked. It could probably do with some new plugs though...they've definately not been changed for a while. The brakes do need freeing up fairly regularly too...it doesn't feel like they're binding, however (ie it seems to coast OK). Cheers, Iain I checked the figures a while ago, using the method you described. |
#9
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It's about 41 litres of fuel (the light must be coming on early, it's a 55 litre tank) for about 380/390 miles or so, which I think is pretty good going when you consider it's half motorway trips and half pissing about in the city, which I hate doing, not a fan of traffic lights. A good reason why I mow down pedestrians when they're red... |
#10
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In article <8sK0i.1131$7l6.585 (AT) newsfe7-win (DOT) ntli.net>, graydoe3 (AT) privacy (DOT) net (graydoe) wrote: It's about 41 litres of fuel (the light must be coming on early, it's a 55 litre tank) for about 380/390 miles or so, which I think is pretty good going when you consider it's half motorway trips and half pissing about in the city, which I hate doing, not a fan of traffic lights. A good reason why I mow down pedestrians when they're red... That's the sort of levels I get in city driving with my scrote 1.8 diesel. Normally on a Motorway run I can do 450+ before the light comes on at about 44litres gone. |
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