P0139, medical resident needs some help!
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Joined: Feb 2020
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From: Georgia
P0139, medical resident needs some help!
Hey Guys,
Back at it again with my M5. 150K mileage. Wife has been driving and all of sudden the car dies. CEL P0139. I'm assuming its probably not the 02 sensor in this case. What should I do here? I'm fairly savvy but need some direction. Can someone walk me through how to diagnose this? I am about ready to replace all of the fuel injectors, both 02 sensors, PCV valve and hose, manifold gasket, spark plugs, and motor mounts, just to try and attack this on all fronts. Engine idles rough. Can someone comment on a better diagnostic approach?
Back at it again with my M5. 150K mileage. Wife has been driving and all of sudden the car dies. CEL P0139. I'm assuming its probably not the 02 sensor in this case. What should I do here? I'm fairly savvy but need some direction. Can someone walk me through how to diagnose this? I am about ready to replace all of the fuel injectors, both 02 sensors, PCV valve and hose, manifold gasket, spark plugs, and motor mounts, just to try and attack this on all fronts. Engine idles rough. Can someone comment on a better diagnostic approach?
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