Can a faulty o2 sensor cause one bank to run lean?
10-10-2004, 08:15 PM
#1
Launching!
Thread Starter
Join Date: Nov 2001
Location: St. Louis
Posts: 286
Likes: 0
Received 0 Likes
on
0 Posts
Can a faulty o2 sensor cause one bank to run lean? Just finished the procharged 408 in my ta and it's running really lean on the drivers side bank. If it was the tuning then I would think both banks would be running lean so I'm thinking it could be either an o2 sensor or a dirty fuel injector. The car will sputter and buck at first then clear up after some driving. Any ideas?
10-10-2004, 08:30 PM
#2
12 Second Club
iTrader: (17)
Join Date: Sep 2003
Location: Richmond, VA
Posts: 1,199
Likes: 0
Received 0 Likes
on
0 Posts
yes, a faulty 02 will cause one bank to run lean, have you put a scan tool of some sort to see what the mV are on the 02? That's the best way to find out if it's the 02 or not.
10-10-2004, 09:30 PM
#3
Launching!
Thread Starter
Join Date: Nov 2001
Location: St. Louis
Posts: 286
Likes: 0
Received 0 Likes
on
0 Posts
Cool, I'll try that. I'm getting 2 codes, one is a lean signal on bank one from the o2 and the other is a knock sensor code, obviously from running 2 lean. Thanks. I also noticed that my a/f guage isn't fluctuating from rich to lean like it should be, it's staying pretty stationary on the lean side.
10-11-2004, 07:09 PM
#5
Launching!
Thread Starter
Join Date: Nov 2001
Location: St. Louis
Posts: 286
Likes: 0
Received 0 Likes
on
0 Posts
I'll try that, still trying to get ahold of a scan tool. The car was sitting for 8 months so the gas could have caused the problem. Probably should have drained the tank before I filled it back up.
