I've got an '06 3/4 ton. At about 125k I started getting touble lights off and on. Would take it to the parts store to have them read it and it was emmissions and mass airflow related to convertor. Don't know if you're aware or not, but these Chevy's are notorious for leaky intake manifold gaskets. I think my trouble lights were caused by that. Coolant seeping into combustion chamber, then out exhaust. Coolant would cause misread by 02 sensor. I think it has now caused my convertor(s) to go bad as the light won't go off. Have you been losing any coolant? If so, I found that the 6 pack of brown tablets, (available at most any parts store), worked at sealing my leaky gaskets, just didn't do it soon enough to save the convertor. Took two doses, 12 tabs.
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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