Thread: 89 Chevy c1500 Oxygen Sensor Problems??
View Single Post
Old 02-06-2016, 11:23 AM   #3
j cAT
AF Fanatic
 
Join Date: Oct 2007
Location: EVERETT, Massachusetts
Posts: 10,898
Thanks: 8
Thanked 432 Times in 431 Posts
Re: 89 Chevy c1500 Oxygen Sensor Problems??
disconnect the O2 sensor see if it fails exactly the same if so then the circuit is open. make sure the wire is not shorting out or pin damaged.

could be a bad O2 . when the engine is running you should get .5 volts approx.
j cAT is offline   Reply With Quote