02-09 Vortec 4.2L I-6 Engine and Drivetrain
Hi,
For the past few weeks i noticed the truck (trailblazer 2005) when going up a hill it suddenly gives high sound like i pressed the gas pedal to accelerate, when i feel that i remove my leg from gas pedal then press again and trucks drives normally.
Today i was going uphill and i wanted to...