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  1. Perovich

    Holley EFI Leaning Out / Drivability Issues

    Definitely meant 33033 - I swear I'm not dyslexic. As for not meeting Holley's ratings, I just matched the part number that came in their kit - I'll double check and make sure I'm not mistaken. Both injectors tested good, at 12.0ohms. Swapped the injectors, problem didn't move. Took the fuel...
  2. Perovich

    Holley EFI Leaning Out / Drivability Issues

    I would hope very slim. I've got new hard and soft lines from the tank to the EFI unit. I'm using two brand-new Wix 33003 filters before and after the pump, and have verified good fuel pressure (59psi on my OTC gauge). No excessive resistance between fuel pump B+ to battery and ground post to...
  3. Perovich

    Holley EFI Leaning Out / Drivability Issues

    Got back to the house. Tried firing it up - fuel is stuck at 35.6% at all times... seems like a hard fuel fault rather than input sensor issue? Disabled Closed Loop operation, no change... tells me the wideband HO2S is probably not to blame - Inspected the barrels of the EFI unit and found...
  4. Perovich

    Holley EFI Leaning Out / Drivability Issues

    Just wanted to check in and see if someone can provide some insight into the Holley Sniper system here -- Over the last two mornings, I've had severe drivability issues with my Sniper EFI system. It starts with dying at idle coming off deceleration in gear, and eventually evolves into failing...
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