K KCODE Member Joined Aug 1, 2012 Apr 15, 2015 #1 Use to seeing my SM 02 numbers around 750ish. Recently they have been jumping around sparatically at one point going to 000. Now it's jumping around 300-400. Also I can hear what seems to be a slight backfire while car idles. Advice needed.
Use to seeing my SM 02 numbers around 750ish. Recently they have been jumping around sparatically at one point going to 000. Now it's jumping around 300-400. Also I can hear what seems to be a slight backfire while car idles. Advice needed.
G getdowngranny Mr. Fix It Joined Jan 8, 2006 Apr 15, 2015 #2 What brand O2 sensor is in it? Have you checked the plugs? Start there. Sent from my iPhone using Tapatalk
What brand O2 sensor is in it? Have you checked the plugs? Start there. Sent from my iPhone using Tapatalk
K KCODE Member Joined Aug 1, 2012 Apr 15, 2015 #3 getdowngranny said: What brand O2 sensor is in it? Have you checked the plugs? Start there. Sent from my iPhone using Tapatalk Click to expand... I just changed the plugs prior to it happening. Desno 02 sensor.
getdowngranny said: What brand O2 sensor is in it? Have you checked the plugs? Start there. Sent from my iPhone using Tapatalk Click to expand... I just changed the plugs prior to it happening. Desno 02 sensor.
