ok me and my buddy are stumped..he has a 92 ram 1500...currently has a 360 motor in it with mild motor work ( heads ,cam, headers, throttle body) he had this set-up for a couple years...but recently his truck cant keep and idle...we tried most the basic stuff....cleaning the IAC, and even repleaced the TPS..no help..so we need some advice..thanks

 

are you getting any codes?