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TBI 454...Pedal floored, wont rev past about 2500? (video)
Very true, the old dizzy was so corroded that it needed to be replaced anyway. So yes maybe a couple sensors were purchased but in the end I'm just happy that I finally figured it out.- PNDSND
- Post #23
- Forum: Engine Performance + Maintenance
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TBI 454...Pedal floored, wont rev past about 2500? (video)
I jinxed myself, After a few trips the miss returned. I swapped the dizzy for a new Napa brand, no change. I checked the fuel pressure, it was fine. I pulled the TBI apart again thinking maybe something was up with the fuel regulator. It all looked good and I threw in all new seals and...- PNDSND
- Post #21
- Forum: Engine Performance + Maintenance
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TBI 454...Pedal floored, wont rev past about 2500? (video)
I appreciate the feedback, I believe I have found the problem. I swapped the shaft of the new dizzy with the old one. It changed the miss to a different RPM, not sure what was going on with that but whatever, it told me I was on the right track. I then swapped out the brand new coil with the...- PNDSND
- Post #20
- Forum: Engine Performance + Maintenance
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TBI 454...Pedal floored, wont rev past about 2500? (video)
The usual tune up parts you listed are new. I went back and swapped them back out with the old ones and some extra new ones that I have just to see if there was a change. Also have done new distributor, coil, ignition module, temp sensor. I am going today to grab the adapter to test fuel...- PNDSND
- Post #17
- Forum: Engine Performance + Maintenance
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TBI 454...Pedal floored, wont rev past about 2500? (video)
I know this is an old thread but I have tried almost everything. My 1994 dually is doing the same thing. I can watch the injectors shut off and on while it is doing this. It will also do this at a steady throttle around 2000rpm's. I'm at a loss. Just curious if OP ever resolved this issue.- PNDSND
- Post #15
- Forum: Engine Performance + Maintenance
