Quote:
Originally Posted by Voodoosmooth
1997 Ford 7.3 Powerstroke - Pretty nuch stock engine (Cali model) with the Hydra. It had been running great for a few months, then a few weeks ago Truck died on me while driving. I was able to get it to the stock position and the truck ran again. Happened again yesterday while driving and switching tunes on the Hydra. Engine literally quit and I had to manhandle it it coast into a parking lot. Switched the tuner back to stock and it started again. Any ideas?
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I'm sorry to hear that you're having an issue. Hopefully it's a simple fix.
In nearly every case of a vehicle cutting out while driving, there is ultimately a connection issue between the chip and the PCM. It could be from over-cleaning or under-cleaning the PCM connector causing an issue, or there could be a vibration that causes the chip to wiggle a little and lose contact.
I would suggest:
- Disconnect the PCM Connector to kill power to the PCM
- Removing the parking brake assembly
- Remove the chip from the PCM
- Take a piece of Scotch Brite and lightly buff the contacts on both sides
- Wipe contacts with alcohol and a paper towel
- Blow out the connector on the chip just to make sure there's no silicone in there
- Reinstall the chip in the PCM
- Rock the exposed part of the chip back and forth slightly (in this case, left and right) to help seat the contacts
- Use vinyl duct tape to fasten the chip to the PCM (this prevents vibration)
- Reattach the parking brake assembly
- Make sure that all cables are routed smoothly and not pinched anywhere
- Reconnect the PCM connector
This should most likely clear up any issue you are having with the stalling.
If you have any further questions, please let us know.
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