Quote:
Originally Posted by JWBFX4
Well the 04-05's with the 5.4 L 3V had the biggest risk of running lean, although the 06+ was probably still close to it. But if you have the 5.4 I would still take it easy on it and run level 2 just to be safe.
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Is level 2 safe? If it seems like a problem, would level 1 be good to switch to? It just changes shift points right?