Troubleshooting ECM P140700
Hello everyone,
For a couple of months now I'm getting the ECM P140700 code with CEL on my V40 XC D3 2015 (5cyl engine). As I have read that this code is frequently hiding other issues and is NOT necessarily caused by the EGR itself AND by the fact that my car has been running on highway for over 80% of it's mileage, I'm reluctant to believe the EGR is the culprit. The code usually takes 2 to 3 drives to come back. I have tried testing the MAP / MAF & exhaust pressure sensors using VIDA, and also redid both the EGR and the differential exhaust pressure sensors adaptations. However the code keeps coming back. Details of the code https://i.imgur.com/j7NFTWI.jpg https://i.imgur.com/hTIlcbM.jpg Checking behavior of the EGR https://i.imgur.com/epzGzbb.jpg Checking MAP/MAF and boost https://i.imgur.com/G7q7ZMj.jpg https://i.imgur.com/Yym3o23.jpg https://i.imgur.com/Ut4fKxP.jpg https://i.imgur.com/NdDYJgl.jpg Temperature sensors also give accurate readings https://i.imgur.com/9YWSYDC.jpg https://i.imgur.com/0Nz5pIQ.jpg I also coudn't find any hole or problem on any boost pipe, but wasn't able to inspect all of them so thoroughly. What next steps would you take to troubleshoot further? Appreciate any help you could provide here! |
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