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  1. TL;DR: Add a 22uF capacitor to your CAN-Lambda, as close as humanly possible to the device. Nasty problem with my CAN-Lambda. On startup, watching the runtime values "ECU Status" tab, Lambda 1 box: Before startup, it's OK/diagnostic/waiting for rpm. After startup it cycles. Calibration Heating Error After heating code 33 Open circuit APE-IPE code 16 Heated too long While heating, the temperature very rapidly rises to 500-600c (2-4 seconds depending on exhaust gas temperature) before the code 16. What I've tried: Carefully inspected wiring harness on o2 sensors. No issues. Carefully inspected wiring harness on CAN-Lambda. No visible issues, but I couldn't disassemble the pins to verify the crimps on APE and IPE wires (lack special tool or understanding of connector). Replaced o2 sensor with a brand new one from Amazon. Exactly the same behavior. Allowed the engine to reach operating temperature with mixed low and high idle. Verified 0 CAN 1 Receive Error Counter. Verified 0 CAN 1 Transmit Error Counter. Verified 0 ECU Fault Codes Verified operating battery voltage 14.2v Log file is attached. Observe parameters Lambda 1, Lambda 1 Error, Lambda 1 Status, Lambda 1 Temp to see the cycle. It's the same with both LSU 4.9 sensors I've tried. Pclr is attached for 4age 20v engine. It's a work in progress. Log 2017-02-16 9;36;52 pm.llg 4age 20v.pclr
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