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MMustang-22 replied to the thread Vortec 454 misfire/shudder.Update. Who would have thought that a evap purge solenoid could cause such a problem. Note the pic below. Tried unplugging the evap...
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.Thanks for the reply. I will mention that this misfire / bucking shudder was not present before I touched the injectors and did the cap...
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.Well back to square 1 So finding that short did get my truck to run again, however, back to the misfire/shudder issue. Checked fuel...
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.Thanks to everyone that helped, got it figured out. This won't be one of those threads where you read several pages only to get to the...
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.Thats my next step. Picking up a gauge in the norning What are the odds of having the no start/ no spark issue and the fuel pump failing...
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.Update. Picked up a used coil and ICM from the wreckers. Truck started right up ran great for 15 seconds then started to sputter cough...
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.Doing some research, the tach gets it's signal from the coil. When cranking the tach does not move at all. I'm going to check for power...
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.Removing the number one plug wire and putting a spark plug in it and grounding it to the engine. I'm going to pick up a spark tester...
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.Just hooked up the code reader and cranking rpm is about 115. Is that low ? Or normal ?
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.So an update to this problem. I took the Amazon cap and rotor off and installed a new United Motor Products DCR820x vented cap with...
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.I will check that I put the plug wires back correctly tomorrow, I did double check them but hey, everyone makes mistakes. The cap and...
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MMustang-22 replied to the thread Vortec 454 misfire/shudder.Never changed or moved the distributor body itself, and the rotor has 2 alignment tabs, so can't be out of place. The wires were pretty...
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MSo just did 8 new injectors, new fpr, new cap and rotor new intake gaskets, and now I'm getting what seems like a misfire. When...
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