After doing a search, I came up with a few different part numbers for a Throttle Position Sensor for an '05 GT.
Some of the results are:
3L5Z-9B989-AA, 6L2E-9E928-AA, Motorcraft DY1116, 6L2Z- 9B989-A, and Motorcraft DY1049.

I have been told that there is an "old one" that is round, and was prone to fail/send bad signals which puts the car into safe mode, causes the car to stumble on accel, pops throttle position codes, and check engine lights, which is what my car does at times and has the round one.

I've heard the new one is more square shaped, and fixes these issues. But I just want to make sure I get the right part number for ordering.

Thanks!

 

i have no idea lol. someone else is going to have to chime in. i havent looked at the one on my 05 in a loooooong time.

 

part# 3L5Z-9B989-AA (DY1024) is for the following vehicles:
2005/2006 Crown Vic 4.6L
2005/2006 Grand Marquis 4.6L
2003/2004 Lincoln LS 3.0L & 3.9L
2003/2005 T-Bird 3.9L

part# 6L2Z-9B989-A (DY1049) is the original part# on our car, it has a engineering part# of
6L2E-9U515-AA on it
part# 6L2Z-9B989-C (DY1116) is the latest update for our cars, it has a engineering part# of
6L2E-9U515-AC on it.

engineering part# 6L2E-9E928-AA which crosses to oem part# 6L2Z-9B989-B Fits the following:
2007/2009 Navigators & Expeditions with a 5.4L
2009 Econolines with a 5.4L or 6.8L
2005/2008 F250/F350/F450/F550 with a 5.4L
2007/2008 Crown Vic & Grand Marquis with a 4.6L
2004/2006 Explorers & Mountaineers with a 4.0L & 4.6L
2007/ Sport Tracs with a 4.0L & 4.6L

 

Thanks, you are the Man!!!