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Re: GM DTC Code P0740
Posted to Transmission Forum on 9/27/2000

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Not familiar with this code. However, I tow a 1800 lb. boat with a 91 Buick, 70 mph in third and it doesn't overheat. I do have an aux. cooler added. But, if I can tow in third I think it would be OK ... Login to read more.