Loss of power in motor. 5.3 v8
Going up a hill loses 90 percent of
power with accelerator to floor.
Changed all coil packs and wires, no
Are the cats plugged up?
Cats what do you mean, never heard of cats before.
Sorry. Catalytic converters. A muffler shop can do a back pressure test.
OK, thanks. Never thought that could cause that.
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