Some thing to check is the breather tube from the air intake to the back valve cover. They come loose from the valve cover and cause a lean code. PCM think lean and richs the fuel up. Also check the pcv elbo at the pcv valve. They get soft. Any thing else you need a scaner to see. Check mass air flow sensor? hope this helps David
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Today's Featured Article - Oliver 550 Purchaser Checklist - by Greg Sheppard. Pound for pound the 550 is better than anything I've seen. It has great power for its size and can really hunker down and lug. Classified as a 3-bottom plow depending on soil conditions. I personally don't think it can be beat for a utility tractor in the 40 HP range. They are extremely thrifty on fuel, at least my DSL is. Most drive train parts are fairly easy to get. Sheet metal is probably the hardest thing to
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