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TrailBlazer2002-2009
2023-
The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.
Getting no signal on my bank 2 sensor 1 on the output when it's running but get no voltage on it when it's not running I'm thinking there is a short somewhere in the wiring.
Graph of it when its not running Graph when it's running
Last edited by Chevyman1965; Sep 2, 2025 at 1:44 PM.
02 sensor bank 2 sensor 1
