Quote:
Originally Posted by ard
In a million plus miles of driving I have never had 'bad gas' that caused a CEL.
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Yeh, I have probably driven at least 2 million miles, and I have only seen it once. It only seemed to affect one type of engine design, namely late model (late 90's or early 2000's at the time) GM's with pushrod actuated valves. Tons of them within a couple of days and a 75 mile radius or so, with pushrods turned into spaghetti, so the dealership garages told me. Which reminds me now, that is how I found out about the fuel problem then, from the dealership. They brought it up to me while I was buying new pushrods. It may be a long shot, but I may check with them to see if any others have had the same problem lately. Seems like I have read some on these forums about bent or worn levers (was that the correct part name?). Do such parts have an analogous function to the pushrods in other engines?