ALASKANSUBIE Posted July 12, 2017 Share Posted July 12, 2017 So i have just completed redoing the head gaskets on my 05 legacy gt with the DOHC and after a few minutes of driving the engine light comes on. So, i check it with my reader and it was giving me a p2021 (tumble generator valve position sensor) so i pulled/cleaned/ and reinstalled it and the light went off for about 20 minutes of driving. Then, the engine light came back on so i read the new codes and now it is misfiring on cylinders 1, 2 , and 4. It has also not been able to hold a steady idle since before i redid the head gaskets and will stall consistently if my foot is not on the throttle. I am somewhat fed up with the car at this point and am not sure where to even start. Any advice is greatly appreciated. Link to comment Share on other sites More sharing options...
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