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FJR Motorcycle Forums
Technical & Mechanical Problems
Seriously Bad Fuel Economy
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<blockquote data-quote="Slappy" data-source="post: 846933" data-attributes="member: 14414"><p>Over the last couple of months my fuel economy has gone seriously down hill. Ive gone from 240 a tank to 150 a tank. I have had the valves checked, all within spec, I have new plugs, less than 1,000 miles on them. I use the same oil/weight and filter. I drive the same roads every day commuting at the same speeds both ways. Same tires at 42/40 pressure. I generally use the same gas from the same station. The air filter is less than a year old and seems to be in fair condition.</p><p></p><p>Could it be a bad or going bad O2 sensor or mass airflow sensor? What else can cause fuel economy to go this far south that quickly?</p></blockquote><p></p>
[QUOTE="Slappy, post: 846933, member: 14414"] Over the last couple of months my fuel economy has gone seriously down hill. Ive gone from 240 a tank to 150 a tank. I have had the valves checked, all within spec, I have new plugs, less than 1,000 miles on them. I use the same oil/weight and filter. I drive the same roads every day commuting at the same speeds both ways. Same tires at 42/40 pressure. I generally use the same gas from the same station. The air filter is less than a year old and seems to be in fair condition. Could it be a bad or going bad O2 sensor or mass airflow sensor? What else can cause fuel economy to go this far south that quickly? [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Seriously Bad Fuel Economy
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