brknight Posted October 24, 2013 Share Posted October 24, 2013 after driving at hiway speeds my check engine comes on. not sure what to check first. seems to be running just fine ? thank you Link to comment Share on other sites More sharing options...
Kyle94 Posted October 24, 2013 Share Posted October 24, 2013 take it to oreilly (or napa, or?) and borrow their tester. oreilly around here just requests that you give them your license and you test it in the parking lot. that will tell you where the light is coming from. Link to comment Share on other sites More sharing options...
River044road Posted October 28, 2013 Share Posted October 28, 2013 So does the light turn off when you are slower than say 65mph?And I second getting a scantool from napa, the codes should be saved. Link to comment Share on other sites More sharing options...
96Pathfinder4x4 Posted October 29, 2013 Share Posted October 29, 2013 If it runs fine, my wager is on the O2 sensor. Link to comment Share on other sites More sharing options...
Rebelord Posted October 29, 2013 Share Posted October 29, 2013 If it runs fine, my wager is on the O2 sensor. I second this. I can run 100%, but 50+ for extended time. Trips the light, saying O2 Sensor 2 Voltage High. (new sensor in there too!?) Get your code, see what it is. If its the 02, it will trip a Knock Sensor also, but that you can ignore otherwise. Link to comment Share on other sites More sharing options...
devonianwalk Posted October 29, 2013 Share Posted October 29, 2013 It's obviously an O2 sensor .. right? Let's start the "which bank is it?" wager. I'm going with "left bank". Link to comment Share on other sites More sharing options...
fixinto Posted October 30, 2013 Share Posted October 30, 2013 If it runs fine, my wager is on the O2 sensor. If its running good ^ secondary O2 prime candidate Link to comment Share on other sites More sharing options...
fixinto Posted October 30, 2013 Share Posted October 30, 2013 (edited) I will get in on That. right bank or "passenger side" bank 1 sensor 2 ftw I have a 96 and thats the one that died on me, its more exposed to the elements coming from the underside of the truck than the driver side one. Edited October 30, 2013 by fixinto Link to comment Share on other sites More sharing options...
96Pathfinder4x4 Posted October 30, 2013 Share Posted October 30, 2013 I will get in on That. right bank or "passenger side" bank 1 sensor 2 ftw I have a 96 and thats the one that died on me, its more exposed to the elements coming from the underside of the truck than the driver side one. Tried to just 'like' it. "You have reached your quota of positive votes for the day" lol! That's the same one that I had to replace recently. Link to comment Share on other sites More sharing options...
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