Thread: check engine light on....97 grand marquis

View Single Post
  #2 (permalink)  
Old 05-01-09, 11:01 AM
DBMSTNG's Avatar
DBMSTNG DBMSTNG is offline
I fantasize about it being BIG!
  
Join Date: April 2002
Location: not quite here
Posts: 3,918
if you know anyone with an Xcal or Livewire, just have them monitor/datalog the O2 sensor. you'll be able to tell by the reading if it is bad.
Reply With Quote