code 25

  1. SoCalBruiser

    1991 Land Cruiser Code 25 and 26 after rebuild

    I have been reading every 3FE code 25 and 26 thread on this site, and after 4 weeks of troubleshooting I'm bringing this one to the community. Background: (TLDR: total engine rebuild after overheating, getting code 25/26 after ~30 mins of driving around neighborhood) In the summer of 2022 I...
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