SpecFast Posted January 30, 2016 Share Posted January 30, 2016 This has now been the second time I've had this code appear. P0172 which is a bank 1 running too rich code. My wideband sensor is currently not working. Could this be the cause? Or something else? Sent from my SM-G925V using Tapatalk Link to comment Share on other sites More sharing options...
Max Capacity Posted February 2, 2016 Share Posted February 2, 2016 Google the code and replace the bad O2 sensor. I think that may be the front O2. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
SpecFast Posted February 2, 2016 Author Share Posted February 2, 2016 Google the code and replace the bad O2 sensor. I think that may be the front O2. I'll start with that. Not completely fond of just slapping parts on my cars and hoping that solves it. I've also read that cleaning the iat sensor could solve the problem as well as cleaning the maf. Sent from my SM-G925V using Tapatalk Link to comment Share on other sites More sharing options...
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