I started my car this morning and after i rolled out of the driveway and pressed on the gas, the car hesitated and sputtered, spit up a check engine light and went straight into limp mode where i'd have to put the pedal down half way just to accelerate slowly. I turned the car off, turned it back on, and the car operated normal with my normal throttle response and power levels.

The codes it put out are these

p0223: Throttle Position Sensor Circuit High Input
p1234: Sub Throttle Position Sensor Plausibility

I have no idea what these mean. I did a visual inspection and every connection is solid.

for what its worth, my mods are Injen Intake and UICP, ETS Extreme exhaust & ETS test pipe, AMS downpipe, cobb 3 port, and an open source tune on 93 to 300 awhp on a mustang dyno.

anyone have experience with these codes?

 

Anyone?? It did it again today. Went into limp, turned it off, started again, and now I'm running normal

 

Contact your tuner and see what can be done.