Timing advance issue

After a week of troubleshooting and after replacing the TFI twice, it turned out to be a bad TFI. The 1st replacement I had ordered with the original and I guess they were both in a bad batch. Truck is running great! Now on to the tuning…


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ASAP said:
After a week of troubleshooting and after replacing the TFI twice, it turned out to be a bad TFI. The 1st replacement I had ordered with the original and I guess they were both in a bad batch. Truck is running great! Now on to the tuning…


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How did you test or verify that it was the TFI module? Just part swap out or were you able to actually test it determine it was bad?

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Stinger guided me through a series of troubleshooting tests on the spout wires (pin2) at the TFI harness. In the end, it was either a bad resistor in the ecu or bad TFI. I replaced the TFI once and it did the same thing. So we were all set to send the Pimp back but I wanted try replacing it one more time before I did. Glad I did…


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