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Originally Posted by kenny21
correct me if im wrong but im pretty sure that these LS focus is running a knock sensor. Now this should stop pinging thats wat it is there for.
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The knock/denotation sensor retards the timing when pinging has been detected, but I dont know if it returns it the the original timing or slowly brings it back to a safe timing where the engine doesn't ping anymore.
Curly, I think ford should be replacing your
ECU and knock/denotation sensor under warranty.
Try not go to the same Ford Dealer when you want to carry something out under warranty.