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P043F Diagnostic Trouble Code Discussion for February 2021

EVAP System Reference Orifice High Flow

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Trouble Ticket Help Requests for DTC P043F
Help Request Posted
2015 Toyota Corolla LE 1.8L MIL Lamp on VIN: 2T1BURHE0F
... P043F, P2401, P2402 and P2419. All faults are for the evap system. I smoke tested the system for leaks and found a small leak at fuel cap. Replaced the cap and CEL came back on with the same faults. Smoke tested again and ...
February 09, 2021