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Old 08-17-2011, 10:08 AM   #1 (permalink)
bigrob126
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Location: Las Vegas NV
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Default Light engine pinging/knock

I live in Vegas, where you all know its real hot all summer long. Anyway I have noticed under light accel,when I have driven for a while and I'm sure the engine and engine bay are red hot, a little pinging. I am at 12000 miles and I use Shell super and use Seafoam every oil change in the tank. Nothing should be dirty. Is anyone else experiencing this? I am thinking from the extreme heat some predetination? Under hard accel its fine though!
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