Getting high idle when stopped and transmission taking long to shift on 1999 Ford Expedition

All this happened just after a rain storm Getting No Codes Hesitating when taking off New IAC installed

by in El Paso, TX on September 12, 2013
1 answer 4 comments
ANSWER by on September 12, 2013
Most likely a throttle position sensor/circuit problem. Scanner can check this rather quickly!!
COMMENT by on September 12, 2013
Thanks for reply .... will be checking that
COMMENT by on September 12, 2013
You bet! Also, this problem may NOT set a code but a scanner can read the TPS to see what it is doing. Trans. shift and idle are VERY dependant on the TPS signal!!!
COMMENT by on September 13, 2013
Thanks for the HELP, it was the TPS You guys are GREAT!!!!
COMMENT by on September 13, 2013
Glad to help! Thanks for the reply.