NHTSA Document - Explains the FORD/Whipple calibration hold.

[GrabberB]

Recently stumbled across the following document from NHTSA (See below). Appears obvious this is why Ford put the brakes on the Whipple calibration. The document shows the Ford Performance Powertrain Engineering team discovered the cause for the hold on August 20th of this year. Read the document for details.

I don't recall seeing this posted anywhere. If I'm wrong then apologies for old news.

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[robvas]

That information came out before

Would be nice for a simple explaination of a real world example of what it was actually doing wrong

 

[roket]

That information came out before

Would be nice for a simple explaination of a real world example of what it was actually doing wrong

here is an explanation based on what i understand from the document.
the PCM has a program running on it that makes sure the commanded throttle and actual throttle position are the same, with some small tolerance (program 1). this helps prevent a stuck throttle situation. Ford also has another program (program 2) that runs and checks to make sure program 1 is actually working. the issue with the supercharger kit is that, for some reason, the tune disables or breaks program 2, and in a scenario where program 1 has stopped working plus the throttle becomes stuck, then the vehicle could become out of control

 

[GrabberB]

I have a FP/Whipple Stage 1 SC on my Mustang (self installed). Given that, I'm invested if you will in the reason for the calibration hold. I chose the self install route because I prize my Mustang (It's my Ferrari if you will). Unfortunately, the price difference between the two draws a clear and distinct *"level of care" line between them during service. I'm not knocking Ford or their techs.(It's a money thing). Long story short, I don't want anyone other than myself working on my Mustang. I have other vehicles that I allow to be serviced by dealers service depts. (Value of time choice).

The paragraph above is wordy - The self install part is relevant to my concerns.

My concern - Had the reason for the calibration hold turned into something more that could potentially cause engine damage I would be SOL due to self installation/warranty gone. This at no fault of my own.

FYI - I've not had any issues with the FP/Whipple SC including installation.

*To me, *level of care" equates to what I like to call the "give a $hit factor". Seems a lot of workers today have a very low "give a $hit factor".

Public release of vehicle safety issues by agencies such as the NHTSA is out of the hands of auto manufactures. Quality issues which can cost consumers can be tucked under the sheets. In other words, if there is more to this story that is not safety related we will likely never know.

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