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What's The Problem
Posted to Technical Theory Forum on 12/22/2016 29 Replies

This sensor came from a Truck that supposedly had the engine rebuilt a year ago. I'm curious as to what you all think caused this. My only thought is that the mains must be worn. What else could cause the type of gouging seen in the picture?

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car Vehicle Data

1997 GMC Yukon SL 5.7L

Engine5.7 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1997 GMC Yukon SL 5.7L

Engine5.7 L
Trans4-speed Automatic (Electronic)