Fouled spark plugs and TPS ajustment

[Mike94ZLT1]

Hey guys, I have a 2005 F50TLRD that seems to run excessively rich at idle. Can someone tell me / link the procedure on how to test or adjust the throttle position sensor? Thanks!

[rejesterd]

Take a look on manualslib.com. The service manual for your engine is there. For the TPS, there's no adjustment procedure. You hook up YDIS v1.33 and get the voltage reading. It should be 0.98V. I assume you can also read it with a multimeter, but I've never tried. YDIS is easier and they sell kits on ebay.. not too expensive.

What makes you think it's running rich? What's the bad behavior?