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01 Civic NEW O2 Sender decreases economy

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Old 03-21-2011, 06:44 PM
bdl1801's Avatar
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Default 01 Civic NEW O2 Sender decreases economy
My fuel economy has been down since I changed my O2 sender because it was giving a trouble code. I have recently put my old O2 sender back in and fuel economy is back to normal. Has anyone changed an O2 sender and had there MPG go down?
 
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Old 03-22-2011, 04:51 PM
darren509's Avatar
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Mine did. Bought semi cheap one, (compared to dealer ) MPG's went from 30 to 25. Looking back I dont hink I saved by skimping out. Next time I'll go dealer replacement on that one..
 
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Ok ive done ls swaps but.......... Not like this




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