jbf955i Posted January 28, 2014 Posted January 28, 2014 Hello all. First timer here...I have had my 2004 1.8 petrol for new and its been a great family car. However I have notice my fuel economy is getting very poor , its now at 27.4 !!! I don't drive fast and but I only cover around 20 miles a day to and from work. The car is in very good nick and has covered 82000 miles. Please help if anyone has any ideas on how I can resolve this issues. Cheers jason
Nissan Owners Club Posted January 29, 2014 Posted January 29, 2014 What sort of fuel economy were you getting previously? Have you tried any fuel system treatments?
jbf955i Posted January 29, 2014 Author Posted January 29, 2014 Hi, I was getting around 38mpg and added fuel treatment last night. I have only covered 15 miles since I've added it so not seen a benefit as yet. Cheers Jason
Nissan Owners Club Posted February 3, 2014 Posted February 3, 2014 Does seem like quite a drop. Let us know how you get on with the fuel system cleaner. Could just be a dirty sensor or something causing it to run rich.
jbf955i Posted February 3, 2014 Author Posted February 3, 2014 I have added the cleaner, replaced the plug and it went up to 29.7mpg! I have also added some CAt clean and I'm going to give the car a good run on Wednesday morning. Hopefully this will sort it!!! Thanks for your input and I will feed back on Thursday. Cheers.
Nissan Owners Club Posted February 11, 2014 Posted February 11, 2014 Cataclean is pretty good stuff. Hopefully this will help you out! At least it's gone up a bit so far!
jbf955i Posted February 11, 2014 Author Posted February 11, 2014 29.2 so far . that's after cat cleaner, new plugs , fuel cleaner and I have now cleaned the the MAF sensor. Not sure what else I can do.....Thanks
Nissan Owners Club Posted February 14, 2014 Posted February 14, 2014 Just a thought but lambda/O2 sensors can sometimes cause cars to run too 'rich' so may be worth a look!
jbf955i Posted February 14, 2014 Author Posted February 14, 2014 Thanks, I will get someone plug it in to check.
Nissan Owners Club Posted February 19, 2014 Posted February 19, 2014 Any luck with the lambda sensor?
jbf955i Posted February 19, 2014 Author Posted February 19, 2014 Being done on Saturday and I'll feed back then. I have gone up to 31 mpg but that's with some careful driving. Cheers Jason.
jbf955i Posted February 23, 2014 Author Posted February 23, 2014 Had it plugged in today and no faults found! Lost as for what to try not.
Nissan Owners Club Posted February 26, 2014 Posted February 26, 2014 I'm a bit stumped too to be honest! Did you ask the garage if they had any suggestions as to why the economy had dropped so significantly?
jbf955i Posted February 26, 2014 Author Posted February 26, 2014 He said the clutch is on its way out but other then that nothing. Its due an MOT next month so I'll take it somewhere else. Thanks for your interest and suggestion. Jason
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