High Voltage Signal to Rear O2

ONLY for ADVANCED technical discussion about the 240sx!
jg61022
Posts: 24
Joined: Fri May 26, 2006 3:46 pm
Car: 95 240sx
Contact:

Post

Hi. I just took my 95 240sx to a Nissan dealer. They said the voltage signal is too high, 2.55V, which causes the code 77. What can cause a high voltage signal to rear O2? Thanks.


180fan
Posts: 7799
Joined: Sat Dec 14, 2002 12:16 pm
Car: 89 fastback

Post

a bad o2.


Return to “240SX Technical Forum”