just put new plugs in my 2003 honda crv, get only 15 mpg, please help

Asked by GuruZTGZ6 Nov 13, 2017 at 09:54 AM about the 2003 Honda CR-V EX AWD

Question type: Maintenance & Repair

2 Answers
157,675

Bob answered 6 years ago

How was the mileage before you changed plugs? Did you leave something disconnected? Did you check the gap on each plug before installing?

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Cheryl answered 6 years ago

Do the replaced plugs have evidence of being fouled by oil? There are oil rings in the pistons. Sometimes these oil rings go bad, especially if the wrong grade of oil is used. This is a know problem with this engine.

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