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High fule consumption. 850

posted by  someone claiming to be bl on  Mon Jul 12 09:46 CST 2004 [RELATED]

A lot of things affect MPG. Check your tire pressure( I always forget) to make sure it's right. Your O2 sensor(s) could be in the process of failing as they help regulate fuel mixture and as mentioned, vacuum leaks will "fool" the sensors into thinking the fuel mix is too lean and the engine will run rich. Just went thru this with a 96 850 NA. Are you seeing black smoke or is the area around the tail pipe sooty?

bl

bl






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