Gas Mileage is dropping. - Toyota Yaris Forums

tarkus · 01-22-2017, 11:08 AM

Put in new plugs and clean or change the MAF sensor. Also change the air filter, unless it's already been changed recently. Those are the basic things you need to do. Then check the mileage again.

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Motzking1 · 01-22-2017, 11:11 AM

Quote:

Originally Posted by tarkus

Put in new plugs and clean or change the MAF sensor. Also change the air filter, unless it's already been changed recently. Those are the basic things you need to do. Then check the mileage again.

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Why would you replace spark plugs. There is no engine misfire. That is not the problem here. And engine misfire would illuminate the malfunction indicator lamp or a check engine light. Replacing the spark plugs at this point for anything other than maintenance will not help the problem.

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01-22-2017, 11:08 AM	#1
tarkus Drives: 2006 Yaris RS 3-Door Join Date: Feb 2016 Location: YYZ Posts: 329	Put in new plugs and clean or change the MAF sensor. Also change the air filter, unless it's already been changed recently. Those are the basic things you need to do. Then check the mileage again. Sent from my LG-D801 using Tapatalk