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Username Post: EGR and O2 Sensor
JLMullins
Poster
Posts 1
06-10-19 02:08 AM - Post#2768082    

I have a 1998 Chevy K2500, I can pinpoint exactly when it started other than a couple of weeks ago. I keep getting code P0160 and P0401 I have replaced the EGR valve once and the O2 sensor three times. On a scanner the EGR opens and closes (at least it moves) when taken from zero to 100 percent. I get no other codes and this first happened after about six miles and the last time I reset the codes it lasted for 26 miles. Does anyone have any help for me? Thanks, Jimmy
Shepherd
Frequent Contributor
Posts 1849
06-11-19 08:08 AM - Post#2768214    

Welcome to CT, there are several trouble trees for those codes, google them, easy to find.
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