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  1. B

    7.3 surging while cruising

    Is the chip bad? Or is a custom tune still an option? Sent from my iPhone using Tapatalk
  2. B

    7.3 surging while cruising

    The tunes are just the garbage canned tunes. Sent from my iPhone using Tapatalk
  3. B

    7.3 surging while cruising

    Billy, Removed the chip and made the same drive the symptoms have occurred during 4 times this week. And seems to have been a miracle cure. Of course more drive time is necessary. But if it holds up to be true what are my options for tuning because my goodness it’s a night and day switch with...
  4. B

    7.3 surging while cruising

    It always seems to happen after the first 5-10 miles. Never right out of the gate. The engine is warm when it occurs. Sent from my iPhone using Tapatalk
  5. B

    7.3 surging while cruising

    I’ll definitely pull the tune and take a look and see abt a pressure tester later in the week Sent from my iPhone using Tapatalk
  6. B

    7.3 surging while cruising

    Recently bought a e99 7.3 224k. Did basics like a ts6, muffler ******, and a 6637 to replace the worn out panel filter. Currently experiencing a random surge after the first few miles. Cruises at the same “power level” typically all the time. Then randomly it’ll just surge and almost pick up...

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