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  1. F16Roo

    89550-60100 Emission Computer Calibration

    Just an update. Fan started working fine again. I guess in the process of troubleshooting I must have bumped something that was loose. Checked the wire from manifold temp sensor...it looked OK but I did move it around some. Checked the inline 15A fuse...didn't even take it out, but I did...
  2. F16Roo

    89550-60100 Emission Computer Calibration

    Thanks...I'll let you know. Worse comes to worse I'll just ground it and let it run everytime. But I enjoy learning more and doing stuff myself if I can. I truly appreciate the insights of experts such as yourself.
  3. F16Roo

    89550-60100 Emission Computer Calibration

    Hey thanks. Yep I grounded temp sensor wire after cycling key on and off...fan came on. Does that mean the controller is working and issue is with the sensor? Was thinking the same thing about the fuse. The only reason I didn't change it out is it is not actually easy to get to with two...
  4. F16Roo

    89550-60100 Emission Computer Calibration

    Ok more confused than ever. Fan runs normally jumped to ground. I've read all the threads on carb fan, but still have questions. First of all I have 1981 40. I checked inline fuse and seems intact. It actually has a 15A fuse which corresponds to wiring diagram...guess it's different than 5A...
  5. F16Roo

    89550-60100 Emission Computer Calibration

    FCS has been working fine for several years with direct ground...so I guess it could be computer solder? From what I understand it cracks at connector. Checked engine fuse but still need to check 5A inline fuse for carb fan. Thanks again I'll let you know.
  6. F16Roo

    89550-60100 Emission Computer Calibration

    Wow super informational thread. I have an 81 FJ40 that the carb fan just quit working, Idle solenoid quit some time ago...now wired with direct ground. I'm getting ready to reflow solder on my computer to hopefully fix those issues. As an expert, any advice? Things to look for, potential...
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