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1997 Ford Taurus spark knocks

Tiny
TIMBOBFERLY
  • MEMBER
  • 1997 FORD TAURUS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 118,000 MILES
I am running 87 octane fuel, but under loads like hills I hear it spark knocking. I was told that this engine has a octane plug that you can remove and it will advance the timing. Is this true, and can I remove it myself. They said the knocking should go away. I just recently changed the spark plugs. Thanks Tim.
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Wednesday, March 25th, 2009 AT 4:54 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the knock sensor/s its job is to retard the ignition timing when engine starts detonating/spark knocking also the EGR valve if its not opening

Yes you do have an octane plug see item location no. 2 below


https://www.2carpros.com/forum/automotive_pictures/12900_detonating_1.jpg

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Thursday, March 26th, 2009 AT 5:09 AM

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