Thread: Curiousity about the preheating on the Oxy sensor??
View Single Post
  #2  
Old 10-27-2009, 09:29 AM
retroguybilly retroguybilly is offline
Registered User
  
Join Date: Mar 2008
Posts: 98
The O2 sensor's pre-heat voltage is pulse width modulated by the ECM in order to prevent overheating it.
Reply With Quote