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Old 12-18-2006, 02:44 PM   #4
configurationspace
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Joined: Jan 2003
Location: Kanadia
Oddometer: 8,560
Two years ago when I moved to Oregon I noticed pinging for the first time in my 2003 GS. I was at 20,000 miles. I tried water torture, fuel additives, and various different spark plugs. They all works for short periods of time to varying degrees. Then I put in the new left-hand side cam chain tensioner and my pinging vanished. It's never returned. I'm at 40,000 miles now. It seems that the slop in the cam chain can get so bad that it affects timing.
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