chessy56
05-27-2022, 19:52
2017 L5P: I've gotten a couple of P040B and P041B (EGR Temp circuit "A" and circuit "B"sensors). No CEL has been set; but the Warm ups w/o Emissions Malfunction counter is reset to "0". I'm having difficulty determining exactly where these sensors are located. I'm making the assumption that these are 2 distinctly located sensors. Since the information I'm seeing on the web doesn't specifically state they are related to the EGR Cooler, I'm thinking somewhere in the exhaust stream before and after the EGR valve itself.
I'm seeing one sensor that is located between the EGR valve and the intake (after the throttle body) and I believe there is another on the right side (passenger side) manifold (before the "up pipe" to the EGR valve). Am i close in my assumptions and if so, which one is "A" and which is "B"? Or, am I all wrong to begin with?
Any advice is always appreciated. Thanks!
I'm seeing one sensor that is located between the EGR valve and the intake (after the throttle body) and I believe there is another on the right side (passenger side) manifold (before the "up pipe" to the EGR valve). Am i close in my assumptions and if so, which one is "A" and which is "B"? Or, am I all wrong to begin with?
Any advice is always appreciated. Thanks!