One or more fuel injectors may become stuck closed causing an engine misfire and the Check Engine Light to illuminate. Our technicians tell us that this problem can be caused by some fuel additives. There are special procedures which may be able to restore the affected injector. If this fails the affected injector must be replaced.Google+
Car Problem Reports
Chevrolet Tahoe Check Engine Light and Misfire Due to Stuck Fuel Injectors
Chevrolet Tahoe Problem
Engines Affected: 5.7L V8, Gasoline
Average Mileage: 105,000 mi (100,000 mi - 110,000 mi)
Visitor, 2007 Chevrolet Tahoe, 100,000 mi
Hard shift from 1-2. Feels like transmission slipping. Rough idle when coming to a stop or sitting. We changed spark plugs, wires check codes p0307 came up. Think it might be a fuel injector.