Tuner help please....
Thread Starter
Pro
Joined: Jul 2002
Posts: 718
Likes: 3
From: Mason Mi
Tuner help please....
Got 30 minutes away from my tuners shop with the new mods and tune and I'm getting the following codes:
P0140 Heated O2 sensor circuit insufficient activity Bank 1 Sensor 2-B
P0160 Heated O2 sensor circuit insufficient activity Bank 2 Sensor 2-B
Any ideas would be greatly appreciated....
P0140 Heated O2 sensor circuit insufficient activity Bank 1 Sensor 2-B
P0160 Heated O2 sensor circuit insufficient activity Bank 2 Sensor 2-B
Any ideas would be greatly appreciated....
Le Mans Master
Joined: Aug 2001
Posts: 7,064
Likes: 18
From: Arizona
I have had these codes before.. The issue is that the o2's are not seeing proper temperature due to the lack of cats. Its either that or the o2's are not switching properly with the sims in the rears. One last thought is that you cooked your o2's...
When I had long tubes and no cats and ran n2o, I would go through a set of front o2's every 6 months since I was running rich.
When I had long tubes and no cats and ran n2o, I would go through a set of front o2's every 6 months since I was running rich.
Le Mans Master
Joined: Jul 2002
Posts: 7,370
Likes: 8
From: Slave to the evil empire
Cruise-In V Veteran
St. Jude Donor '04
What are your "new" mods?
Is this after installing the long tubes or the nitrous or the Mag?
Or did you just install all of these?
The sensors that are faulting are both back O2 sensors, the fronts are not faulting so if your not running cats maybe your sims are screwed.
Is this after installing the long tubes or the nitrous or the Mag?
Or did you just install all of these?
The sensors that are faulting are both back O2 sensors, the fronts are not faulting so if your not running cats maybe your sims are screwed.
Melting Slicks
Joined: Mar 2003
Posts: 3,116
Likes: 10
From: Macomb MI
Basically the the PCM look at the qty of rich/lean transistions for a given period of time. Often when doing exhaust mods etc the o2 transitions will slow thus throwing the codes. Easily disabled with tuning sw just keep track of the #s
Phil
Phil
Racer
Joined: Jul 2004
Posts: 431
Likes: 0
From: Browns Mills NJ
Aftermarket cats huh? Get your tuner to fix it. It's the rear O2 sensors that are not seeing the proper number of transitions in the specified amount of time. Common codes to see with aftermarket cats.
Jersey
Jersey
Thread Starter
Pro
Joined: Jul 2002
Posts: 718
Likes: 3
From: Mason Mi
Originally Posted by RoadRebel
Basically the the PCM look at the qty of rich/lean transistions for a given period of time. Often when doing exhaust mods etc the o2 transitions will slow thus throwing the codes. Easily disabled with tuning sw just keep track of the #s
Phil
Phil
Keep track of what #'s...
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
