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Model Year Condition Remarks
Trailblazer 2002 Known good Should have thermostat but no codes
Envoy 2003 Hesitation on accel Free flowing cat
Envoy 2003 Lack of power None
Envoy 2003 Lack of power Feels like restricted exhaust
Bravada 2002 misfire None
Bravada 2002 Known good None