loping idle

[JUAN2333]

My cars idles is not steadyI have no cel no vacuum leaks the only thing i notice is my o2 sensor reading on my palm piolt is 0 at idle any ideas any body

 

[duck95]

You may have a bad O2 sensor. In closed loop mode after being full warmed up, it should cycle. Check this link for idle problems.

http://www.dsm.org/how-tos/tttt/tttt3.html

 

[diablos991]

It is also never a bad time for a boost leak test.

You would be suprised at how many problems can result from a boost leak.