Jet performance programmer

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Rockclutch

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Installed the performance program for premium fuel, works fine

04 expedition eddie bauer 5.4
112k mi

Program to adjust for oversized tires, now my expedition is a paperweight.

Hopefully the dealership can flash the PCM and life can be back to normal.

Friday joy

Anybody else ever have issues with Jet?

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06 Eddie

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So you adjusted it for oversized tires and the expedition doesn't run? If so why not just try customer service or see if a local tune shop can get you fixed up.
 
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Rockclutch

Rockclutch

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So you adjusted it for oversized tires and the expedition doesn't run? If so why not just try customer service or see if a local tune shop can get you fixed up.
Hi Eddie,

Tried that, unfortunately the system can't communicate with anything. Errors out with "invalid configuration name" I spent a couple of hours with Jet support guys and they eventually gave up. Their opinion was that "maybe" the dealership could get it to talk and flash it.

Jet and the dealership both agreed that it is fried.

Love it hear of any other options.

Ordered a replacement PCU from pro tech, should arrive Monday.
Hoping for a good resolution.

Jet agreed to get me a refund for the tool as they think it's probably defective. I'd sent it back last month because it was not working properly. Gas mileage went to 8 mpg with the program. It seemed to be fine after it was serviced. Went to calibrate for the tires and all went down hill from there.

Buddy told me a while back "never mess with the PCU!" Lesson learned....

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06 Eddie

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I'm not too familiar about JET but on a Ford I have and never would mess with anything side from a SCT handheld with a reputable company handling the tune. Never had any problems using a tune. I'm sure with your situation the PCU had it's issues unrelated to the device but that will probably never be known.
 
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Rockclutch

Rockclutch

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I'm not too familiar about JET but on a Ford I have and never would mess with anything side from a SCT handheld with a reputable company handling the tune. Never had any problems using a tune. I'm sure with your situation the PCU had it's issues unrelated to the device but that will probably never be known.
Hi Eddie

Thanks for the feedback.
I agree that it may have had issues unknown prior to this episode. I am the second owner of the truck, so it's anybody's guess.
Jet has been super helpful in trying to get me back on the road.

The replacement PCU arrived and is installed. All seems to be working perfectly.

I'll need to get the calibration for the tires done next.

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