Idle Surging but does not shut off?

[BigWil86]

Hey im new to the site, but anywho i trying to see if yall can give me a heads up as to why my wifes car has a surge while its ilding! 2001 nissan altima with the KA24DE and Auto transmission. The mas air flow is new, the plugs and wires are new, the knock sensor is new, put on new tps didnt change a thing so i took it back! pls help cause im almost ready to turn it into a target for my 12 gauge pump!!! Thanks, BigWil!

[Infinitiguy19]

Are there any Check Engine Light codes?

[wade001]

could be a cracked vacume line, that will definately cause surging.check to see if they look good and make sure theyr all connected.