how do I replace a o2 sencer in a 2004 chevy trail blazer

Asked by Jim Feb 08, 2020 at 02:28 AM about the 2004 Chevrolet Trailblazer LS 4WD

Question type: Maintenance & Repair

i need to know how to replace o2 sencer and egr valvue on
my 2004 trail blazer . what could cause the truck to just stall
out at a stoplight


2 Answers

40,000

Check engine light on? Scan for the trouble codes? Are you just guessing?

11,195

02 sensor wouldn't cause the engine to die, and the I6 engine doesn't have an EGR . If no CEL's, clean your throttle body first. That's the culprit in most cases.

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