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post #1 of 7 (permalink) Old 07-10-2019, 07:41 AM Thread Starter
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Gas mileage

Hey guys been looking through the forums and canít seem to find much on what people are typically getting for gas mileage..... I Purchased my 2012 Mazda 3 non skyactive in 2012 new I was getting about 700km to a tank now I seem to be getting just over 400 which is insane.... Changed some coil packs once before didnít seem to make a huge difference


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post #2 of 7 (permalink) Old 07-10-2019, 08:18 AM
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Some times the upstream O2 sensor gets lazy. If you opt to replace it, do NOT buy a Bosch unit; they do not play nice with numerous manufacturers; instead, buy either an OEM Mazda sensor or one from Denso.

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post #3 of 7 (permalink) Old 07-10-2019, 08:43 AM Thread Starter
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Thanks so much.... Going to have to try that and hope it helps..... Might also be time to change the fuel filter too perhaps


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post #4 of 7 (permalink) Old 07-10-2019, 09:14 AM
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Thanks so much.... Going to have to try that and hope it helps..... Might also be time to change the fuel filter too perhaps


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I could be wrong, but I do not believe your car has a fuel filter (most cars these days do not have one).

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post #5 of 7 (permalink) Old 07-10-2019, 09:42 AM Thread Starter
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No your right..... Guess thereís only an internal one which does not need to be bothered with


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post #6 of 7 (permalink) Old 07-10-2019, 10:04 AM
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No your right..... Guess thereís only an internal one which does not need to be bothered with


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While there is an in-tank screen, I do not believe it rises to the level of being called a filter.

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post #7 of 7 (permalink) Old 07-10-2019, 11:16 AM Thread Starter
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Gotcha..... Thanks for that


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