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Rough idle sputtering on acceleration

Tiny
JIM SWARTZ
  • MEMBER
  • 2000 TOYOTA AVALON
  • 100,000 MILES
My car has suddenly developed a rough idle, sputtering acceleration and worsening gas mileage. I tried premium gas. Any suggestions? Sputtering idle. Poor acceleration. Worsening gas mileage
Sunday, April 1st, 2012 AT 4:36 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I would start with having the computer scanned for codes, this will direct you to the cylinder causing the issue. If it hasn't been tuned up yet, you may want to start there since you are at 100k miles.

Read the guides below, they will help

https://www.2carpros.com/articles/check-engine-light-top-ten-reasons

https://www.2carpros.com/articles/how-to-change-spark-plugs

Roy
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Sunday, April 1st, 2012 AT 5:09 PM

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