2003 Lincoln Aviator 4.6L P0420 Fault: TID $10 CID $11 Diagnosis Using Torque Tool
I own a 2003 Lincoln Aviator with a 4.6L V8 engine and am currently troubleshooting a persistent P0420 catalytic converter efficiency fault using the Torque diagnostic tool. In Mode 6 of the Torque software, I'm seeing the following test results: - TID: $10 (Test ID) - CID: $11 (Component ID) - Maximum threshold: 44 - Test result value: 47 - Status: Fail The P0420 code indicates that the catalytic converter is not achieving sufficient efficiency. While I understand that this typically points to a failing catalyst or upstream oxygen sensor issues, I'm struggling to interpret what TID $10 and CID $11 specifically mean in the context of my vehicle. I've taken my car to a Ford dealership, but their technicians have never encountered these specific codes before. After searching online, I can't find detailed explanations for these values related to the 2003 Lincoln Aviator's emissions system. Can anyone clarify what TID $10 and CID $11 represent in this diagnostic context? Are they indicating a specific test or sensor configuration? Any insights into potential causes or solutions would be greatly appreciated.
The P0420 code indicates catalytic converter efficiency is below the threshold. This typically means either a failing catalyst, faulty upstream oxygen sensor, or an issue with engine air-fuel ratio control. Check for vacuum leaks and ensure proper fuel trim operation. For more detailed troubleshooting, refer to common causes and fixes in this forum's trouble codes section.