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2006 chevy trailblazer_lt
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Discussion Starter #1 (Edited)
2006 trail blazer 5.3 4 wheel
Driving home the other day, car just quit, it would crank but not start, towed it back to the ranch it sat for a while then thought I would give it a try and it started. Idled fine, engine light is now on. I don't yet want to drive it very far as I don't want to get stranded again. I have four codes PO443, P1516, P1682, and P21O1 in that order . I understand they have to do with ignition and throttle sensors. Can anyone help me narrow this down to the most probable cause.
Thanks
 
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