Thread: 1996 W202 CEL-p0411
View Single Post
  #2  
Old 12-30-2004, 05:57 PM
manny manny is offline
Registered User
  
Join Date: Feb 2003
Location: Ontario, Canada
Posts: 3,160
If I understand this correctly, during " secondary air injection ", the ECU is monitoring the oxygen sensor output, looking for a " lean " signal.
I would back-probe the O2 sensor & observe the voltage reading during & after secondary air injection.
__________________
2007 C 230 Sport.
Reply With Quote