Two problems related to manifold/header/muffler/tail pipe have been reported for the 2007 Chevrolet Tahoe. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Chevrolet Tahoe based on all problems reported for the 2007 Tahoe.
Excessive oil consumption. Quart of oil every 1000 miles. The engine, spark plugs, intake manifold, and sensors are all affected.
The contact owns a 2007 Chevrolet Tahoe. The contact stated while driving at various speeds her v-8 engine should switch to a v-4 whenever she increased her speed to save on gasoline. The vehicle was inspected by a dealer who advised her that the vehicle was stuck in v-8 and caused the vehicle to misfire. The 8 lifters, manifold, and all of the gaskets surrounding them were repaired. The failure mileage was approximately 130,000.