Posted by Bob Bancroft on February 22, 2014 at 04:10:02 from (67.142.162.21):
One of the well below zero mornings my pickup was hesitant, and was skipping briefly after it started. 2004 Chev. 5.3L 106000 miles. I assume original plugs. So, maybe it's time for new plugs! I get the recommended ones (GM/Delco) from the local parts house. They are a different number than what's in my op. manual, and different from what's in the engine! Parts house says the numbers are changing constantly. So, I replace them. The plugs that were in the engine had a GM number as well as an NGK number printed on them! They look OK. Don't even look worn. But the gap is about .060". Aftermarket repair manual says .040" gap, years 2004 and later. The new plugs were .040". I'm wondering if the plugs in the truck were the wrong ones? Truck had about 40000 miles on it when I bought it.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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