ThatGuywiththeName Posted July 17, 2015 Share Posted July 17, 2015 So using an obd tool i got the code p0051 for my 2004 Legacy (35th Anniversary Edition) and subsequently changed the bank 2 O2 sensor 1. I am now getting a p0151 code which is low voltage for that brand new sensor. Strangely enough, in trying numerous possible solutions (cleaning the mass air filter sensor, checking for leaks, ect) and turning the code off hoping it will stay that way, i sometimes get a p0152 code, which means high voltage for that same sensor. how can i be getting both? and how do i get rid of them? any help would greatly be appreciated. Also since im new here if theres a better place to post this question let me know, thanks folks! Link to comment Share on other sites More sharing options...
Fairtax4me Posted July 17, 2015 Share Posted July 17, 2015 What brand of sensor did you buy? You didn't use a universal sensor did you? The kind that requires cutting and splicing wires. These can sometimes be difficult to get plugged in all the way. Make sure the terminals in the connector are clean and not bent, and make sure the connectors push all the way together until they click. Link to comment Share on other sites More sharing options...
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