Sale ends todayGet 30% off any course (excluding packages)

Ends in 6 hours

Member Login

Courses

EFI Tuning
Motorsport Wiring
Engine Building
Diesel Tuning
Suspension and Car Setup
Driver Training and Improvement
Fabrication and Design
Electric Vehicles

VIP Package Most Popular

Starter Packages

Best Value
VIP Package
Instant access to EVERY course (including all future courses), free t-shirts and more.
Tuning Package
Wiring Package
Engine Building Package
Diesel Tuning Package
Fabrication Package
Track Day Package

Free Lessons

EFI Tuning
Engine Building
Motorsport Wiring
Motorsport Wheel Alignment
GM Tuning using HP Tuners
3D Modeling & CAD

Webinars

Forum

Podcast About Us Blog Articles Contact Us

Member Login

High Performance Academy

see more results...

A reminder for the webinar has been added to your dashboard

A reminder for the webinar has been removed from your dashboard

Home > Forum > Practical Reflash Tuning > Unstable crazy STFT GM ECU

Unstable crazy STFT GM ECU

Practical Reflash Tuning

Jump to Category:

Forum Posts

Courses

Blog

Tech Articles

Discussion and questions related to the course Practical Reflash Tuning

Unresolved Threads

= Resolved threads

Author

961 Views

Masoud

Masoud Sadeghi

Community Member

12 Posts

Iran

Hi,

What can cause unstable STFT? It have a constant second o2 sensor error that can't be removed.

The logging video attached.

Attached Files

20191102_220836.mp4

Attachments may only be downloaded by paid Gold members. Read more about becoming a Gold member here.

November 3, 2019 at 7:02 AM

Member Sign in

Please enter your details below to sign into your account

Password

Your details are safe with us

Don't have an account? Register here

I've lost my password

Not sure if this course is right for you?

Our courses are expertly designed to:

Master the core principles

Appeal to both beginners & experts

Be fun and easy to understand

If you're still unsure, enrol anyway. If it's not for you, simply tell us and we'll quickly refund every cent. It's that easy

OK, GOT IT

Ssshhhhh... Unlock exclusive FREE content just for our subscribers

Join our newsletter for exclusive FREE content including
live webinars, video lessons and discounts on courses.

No spam, ever. Unsubscribe anytime

Join an exclusive FREE class on your favourite topics

Choose your class below for more information and to register.
A range of dates and times are available.

Engine Building EFI Tuning Dyno Tuning Motorsport Wiring Wheel Alignment

WIN

JE Ultra Series Pistons

Piston Kit For Your Engine + Ultimate Training Package

Draw closes in

9 days, 7 hours, 23 mins and 26 secs

Name

Email Address

No, Thanks

By clicking 'Enter Giveaway' you agree to our terms and conditions. See our Privacy Policy.

Congratulations!

You're In the Draw

Your Entries: 0

Earn Bonus Entries

Entry Confirmed

Like JE Pistons on Facebook

Listen to this episode of the Tuned In Podcast

Follow JE Pistons on Instagram

Like High Performance Academy on Facebook

View all the specs of the JE Ultra Series Pistons

Subscribe to JE Pistons on YouTube

Follow HPA on Instagram

Check out the Practical Engine Building course

Watch a FREE Engine Building Lesson Here

Exit

192,990 students from 175 countries trust HPA to develop and improve their tuning, wiring and engine building skills

Endorsed by leading performance manufactures

Learning
Online Courses
Tech Articles
Interactive Forums
Webinars

Membership
Pricing & Plans
Become a member
Upgrade to Gold

Support
Terms & Conditions
Privacy Policy

About Us
About HPA
Our Team
Blog and News
Contact Us

Name

Email Address

$50 OFF
Just for you.

Your friend has given you $50 off
your first course! No coupon needed.

Want $50 OFF
Your Next Course?

Send this link to your mates to get $50 OFF their first course.
If they enroll we will email you a discount too.

We usually reply within 12hrs (often sooner)

Need Help?

Need help choosing a course?

Experiencing website difficulties?

Or need to contact us for any other reason?

We've built a new garage,
just for you!

Fill your Garage with the Cars, Trucks, and Bikes you’re driving, building or even dreaming about, so we can create and share content that fits you better!

ADD YOUR FIRST VEHICLE

I don't have any vehicles to add yet

*pick one of the above options to close window

Title

Text