code P0449 Chevrolet Forum Chevy Enthusiasts Forums
code P0449 Chevrolet Forum Chevy Enthusiasts Forums . The base engine is a 5.3l v8. P0121 is a somewhat common trouble code with the chevy tahoe. P0496 Evaporative emission (EVAP) system high purge flow from www.troublecodes.net The throttle position sensor is. Wheels, 18 x 8.5 (45.7 cm x 21.6 cm) bright silver painted aluminum. A code p0121 may mean that one or more of the following has happened: