jj scott Posted July 25, 2017 Share Posted July 25, 2017 i have a 2011 subaru forester i had the front o2 senser changed and it will not rev up past 3000 rpm by the time i got back to the shop it had no power at all and would not rev past 2000 rpm anyone have any ideas Link to comment Share on other sites More sharing options...
forester2002s Posted July 25, 2017 Share Posted July 25, 2017 Fuel-filter partially blocked? Link to comment Share on other sites More sharing options...
jj scott Posted July 25, 2017 Author Share Posted July 25, 2017 It ran fine to the shop without a o2 senser when it was put in it started doing this Link to comment Share on other sites More sharing options...
rocketman Posted July 25, 2017 Share Posted July 25, 2017 What codes is throwing? Link to comment Share on other sites More sharing options...
jj scott Posted July 25, 2017 Author Share Posted July 25, 2017 None Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted July 25, 2017 Share Posted July 25, 2017 did this happen in the same day or 2? did a dealership do the work? if not, what brand part was used? any other work done? miles on car? Link to comment Share on other sites More sharing options...
jj scott Posted July 25, 2017 Author Share Posted July 25, 2017 Same-day as soon as I left bosh part local garage 129000 Link to comment Share on other sites More sharing options...
jj scott Posted July 25, 2017 Author Share Posted July 25, 2017 No other work has been done Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted July 25, 2017 Share Posted July 25, 2017 some folks report problems with non-oem sensors. why was the part replaced? Link to comment Share on other sites More sharing options...
Rooster2 Posted July 27, 2017 Share Posted July 27, 2017 Was the new 02 sensor wiring spliced onto your old 02 wiring? If so, that can be the source of the problem. I have found that to be a problem in the past, and now won't install an 02 sensor that requires wiring splice. 1 Link to comment Share on other sites More sharing options...
heartless Posted July 27, 2017 Share Posted July 27, 2017 yeah, get one that has a plug already on it and there should be no problems... I have used Bosch O2 sensors on a couple of my Subarus, but ALWAYS the one with a plug already installed - NEVER the splice versions. 1 Link to comment Share on other sites More sharing options...
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