2007 Subaru Outback spark knock

Tiny
RCCT53
  • MEMBER
  • 2007 SUBARU OUTBACK
  • 2.5L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 16,000 MILES
Other than using premium gas, what can be done to stop spark knock?
Saturday, July 12th, 2014 AT 1:57 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
If your vehicle is equipped with a knock sensor, knocking should not occur no matter what grade of gas you use, unless the the knock sensor is bad.

Modern engines are computer controlled meaning you cannot retard the ignition timing by adjustment.
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Thursday, July 17th, 2014 AT 7:25 AM

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