5.0 idles up and down when warm

[Unit 5302]

Originally Posted by westridez

anyone know why it would be ideling up and down when its warm motor is pretty much stock 88 5.0 i deleted the polution pump cats tabs ect and i left the egr plugged in and plugged the vacuum line off and its non mass air

Idle surge is fairly common on the SD cars. Make sure your tps is set right, and your IAC is clean. Check your vacuum lines running to the MAP sensor, and other parts of the engine.

[westridez]

Originally Posted by Unit 5302

Idle surge is fairly common on the SD cars. Make sure your tps is set right, and your IAC is clean. Check your vacuum lines running to the MAP sensor, and other parts of the engine.

whats is the iac?and how do i set my tps?