02 sensors

Asked by GuruNCZ77 Oct 26, 2019 at 10:14 AM about the 2004 Chevrolet Silverado 1500

Question type: Maintenance & Repair

i ordered a set of sensors on e bay ...how do you tell wich ones are the upstream and wich ones are the down
stream ?

4 Answers

89,185

Look up a diagram or ask the ebay seller.

1 people found this helpful.

no identifiable numbers on the new sensors .....all 4 are idential

6,880

Looking up the O2 sensors for your model vehicle, the upstream and downstream sensors can be interchangable.

Your Answer:

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