2002 Dodge Ram 1500 Q&A

2002 Dodge Ram 1500 Question: why is my truck surging when parked it races between 8-11rpm and why does my tru

my truck jumps forward when put into gear -
Answer 1
Its idling to high ,its sucking air under throttle body gasket or a bad IAC motor. -
Comment 1
iac motor where is it what does it look like -
Comment 2
Its on the side of the throttle body,idle air controller ,or its the throttle position sensor ,if u have a scanner ,u can monitor these component s And see if there working properly ..or u can take a gamble and change both ,just my opinion. -
Answer 2
Do you hear a vacuum leak, at the back and bottom of the plenumn is a vacuum port that goes to the oil filler, that hose does rot and create a bad vacuum leak. The IAC is next to the TP switch. -
Comment 1
thanks i will check it out first thing tomm -
Comment 2
If u spray starting fluid around area or over air lines and it idles down ,you'll find your leak but be careful . -