truck idles but dosent accelerate, changing out the tps didnt change anything. on 2000 Ford F-350 Super Duty

all the codes comeup as the tps is bad changed it out for a new one, samething, same code, reset the pcm still the samething im at a lost here??? It idles just fine, does move but to go 25miles at idle does take awhile

by in Tucson, AZ on July 08, 2013
1 answer
ANSWER by on July 30, 2013
what code is setting? have replaced a lot of accel pedal assemblies for same concern, but have seen wiring harness rub above shift lever at bottom of steering column also.