O2 mV
05-06-2006, 05:17 PM
#2
Registered User
Join Date: Feb 2006
Posts: 302
Re: O2 mV
Originally Posted by FastLt1
Left O2 mV always lower on start up in open loop. Only about .050 but it is constant. Any ideas?
05-07-2006, 02:38 PM
#3
Administrator
Join Date: Nov 1998
Location: Hell was full so they sent me to NJ
Posts: 70,673
Re: O2 mV
On cold start, both O2 sensors should read about 450mV. As the O2 sensors warm up (assuming you have the AIR pump) the voltage should drop to 0xxmV, and the PCM should kick into closed loop shortly thereafter.