Service engine codes P0131 and P0151

Asked by Aug 30, 2014 at 01:37 PM about the 2001 Chevrolet Silverado 1500

Question type: Maintenance & Repair

I have  been experiencing loss of power under load up hills and during acceleration recently. The service engine light came on and went to Auto-zone. Had two codes stored P0131 and P0151. Could my problem be as simple as bad O2 sensors upstream?

2 Answers

Looks like it ..this is Silverado 1500. The H in HO2 means heated. go to: http://www.obd-codes.com/p0151 ... for more information ..click image

2 people found this helpful.

Looking more discovered there was a 4.3 engine in the regular cab, it will be different that that

3 people found this helpful.

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