P0488 as the only code...is my throttle body / plate shot? - Ford Powerstroke Diesel Forum
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Old 06-17-2014, 07:58 AM
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P0488 as the only code...is my throttle body / plate shot?

Hey all. After 6 years of ownership, I have pulled my very first legitimate code. I am getting the P0488 code, with the wrench. I do not have reduced power as suggested by the manual, but that may be because the truck is tuned.

It has been intermittent from various start (truck is a DD), but the past 2 days it has stayed on the entire time.

I tried swapping tunes, etc, with no luck.

When mixed with other codes research shows it is usually EGR related, but in this case as the only code, is it safe to assume that the throttle body/plate is stuck or sticking and needs to be replaced? Looks like the part ranges from dealer to dealer for 250-400 bucks.

Truck is extremely low miles, but does see some idle time. 35k total miles, so im surprised to see something like this failing. I do live in beach area and there is a high proportion of salt in the air (and this piece isnt far downstream from the filter.

Anyway...any thoughts or suggestions would be great. I look forward to the feedback!

Thanks!!!
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