STFT (Bank 1): -29 at idle (long post about e30 and trims) - BMW 3 OBDII Scanner Here is a look at the short term fuel trim level on my 2004 GMC Envoy after a fuel pump
Toyota Fuel Trim live data Understanding how to use fuel trim for diagnostics is critical! I offer hundreds of hours of classes just like this one on my website at
From LS-54 Diagnostic Strategies: Ignition & Misfires, As with Part 1 on Air Induction and Part 2 on Fuel Delivery, this course is Kia Rio 2006 LTFT, STFT, O2S1, and O2S2 data stream. After replacing oxygen sensor and fixing vacuum leak. My Rio threw in a Survey*** Your check engine light just came on, your car is running poorly, you've
Short Term and Long Term Fuel Trims Explained STFT deviation issue. Help! | SpoolStreet Forums
This log is showing a huge difference between bank 1 & 2 STFT's. The AFR's are pretty much dead on, but STFT 1 is almost double that of STFT 2 in some spots. In this video I am going to explain how your short and long term fuel trims are calculated, than we'll try to diagnose a problem on a Fuel trims explained (the easy way)
bank 2, bank 1 no code. Appreciate any assistance in STFT B1 S2 is a short term fuel trim for bank 1, sensor 2, which is What Can Cause P0172/P0175 Rich DTC? (Diagnosing to Win with Fuel Trim)
One of the best techniques for diagnosing check engine lights or engine problems especially for lean or rich engine diagnostic Using Short and Long Term Fuel Trims in Diagnostics
Hey guys, Just curious. Has anyone ever had this symptom? It lasted what felt like forever but in reality probably was a couple seconds. Those are the catalyst monitors see where it says B1 S2 that means bank 1 sensor 2 you want to see a high % there as it shows no unburned fuel
How to read short and long term fuel trims Replace bank 1 injectors. Any help would be appreciated. I miss 600awhp.
I cover how to diagnose a failing fuel pump with fuel trim data without using a PRO-level OBD2 diagnostic scanner. If you are SOLVED! - Excessive STFT Issue | GMTNation Log help, huge STFT delta between banks : r/335i
E39 M54B25 Mysterious lean issues How to Interpret Long Term Fuel Trim, Short Term Fuel Trim, O2 Sensor 1 and 2 Data how to diagnose o2 sensors or catalytic converter
Fuel trim a good way to inspect for vacuum leaks #honda #mechanic #mechanictools #mechanicwork So now, the o2 sensor which yesterday worked correctly is in bank 2 and the new one is in bank 1. Started the car, runs fine, stft for both
Short and long term fuel trims, oxygen (02) sensors, open and closed loop explained. #cars #howthingswork #fuel #oxygensensor Causes and Fixes P0170 Code: Fuel Trim Bank 1
Understanding the basics about fuel trims 2007 F150 5.4L STFT Readings for Bank 1 and 2
Beginner Fuel Trim Diagnostics / Vacuum Leaks (Toyota Tundra) How to fix a p0420 without replacing catalytic converter Toyota Fuel Trims and live data diagnosis tips!
Fuel Trims – Where to Begin your Diagnosis For Rich or Lean (p0171, P0172, P0174, P0175) How to read oxygen sensors and short and long term fuel trims. I go alot more into detail about everything. If you have any P0420 diagnosis with scan tool data
How to fix P0170 Code: Fuel Trim Bank 1 Fuel trim is the adjustment made by a vehicle's Engine Control Unit (ECU) to maintain RAM 1500 ECO DISESL (BANK ONE SENSOR ONE) OXYGEN SENSOR LOCATION
Negative Fuel Trim and Fuel Economy | Maintenance Minute "Fuel Trim Know-How"📈🧠Boost Your Diagnostic Skills #autorepair #automotivediagnostics #mechanic
How To Diagnose High Positive Long Term Fuel Trim: Test Bad MAF & Find Vacuum Leak With Smoke Test Huge STFT bank imbalance - help diagnose? Short Term and Long Term Fuel Trims Explained [LIVE]
The fuel trims between bank 1 and 2 are different. Bank 1 reads normal at about 96-97% STFT, 100% LTFT. Bank 2 reads ~106-108% STFT, 90% LTFT. STOP WASTING GAS! How to reset your long term fuel trims.
In this video the Professor will walk you through some very basic tools you will need to learn how to diagnose fuel trim issues and Here's a quick checkup on how the old girl is doing. Want to scan your car or truck? See the end of the video description at the
Uncover the location of the Bank 1 Sensor 1 Oxygen Sensor on a Chevy Tahoe. But here's the twist: this knowledge isn't limited to Diagnosing Lean Conditions
For you hardcore subscribers and advanced enthusiasts who are familiar with fuel trims, O2 sensor data, and rich/lean condition Short Term and Long Term Fuel Trims, Oxygen 02 sensors Explained.
Bank 2 showing over rich condition. Pulling out 15% to 20% fuel at worst. Using O2 Sensor Data in Diagnostics Secret of Engine Problem Diagnosis- Fuel Trims Pt.1
Fuel trim difference between bank 1 & 2 : r/ECU_Tuning How To Fix A Vehicle That Runs Lean.
In this video i explain fuel trims in a easy and simple way. For subscribing to DDTSB visit DDTSB.COM For business inquiries (not Please like comment and subscribe. What are fuel trims in OBD2 #obd2 #obd2scanner
How to fix P0171 and P0174 System Running Lean Bank 1 and Bank 2 If you're experiencing P0171 and P0174 system running STFT reads opposite of LTFT (after repair fuel trim data) In this video, we explain Short Term Fuel Trim (STFT) and Long Term Fuel Trim (LTFT), essential concepts for diagnosing engine
Free vehicle support at It is important to have a good understanding of Fuel Trim. This video shows Smoke machine: I am an Amazon Associate. As an Amazon Associate, I earn from qualifying purchases.
Use ENGINE FUEL TRIMS to confirm vacuum leak ajustes de combustible fuel trims asi de facil verificamos fuga de aire Understanding Short Term and Long Term Fuel Trim (a SD Premium video)
Negative Fuel Trim Indicators | Ron Bilyeu | Tech Tip P0171 and P0174 System Running Lean Bank 1 and Bank 2 "Checking Fuel Trims" This is a ScannerDanner Premium video recorded during my class at Rosedale Technical College. The rest of this series on
How to read short term fuel trim numbers and what it means. In this video I explain normal range and out of normal range. A Toyota master diagnostic technician explains Toyota fuel trims both short term and long term. Also does a demonstration of real
Like Shawn said check for air leaks. Then, swap O2 sensors across banks. Then, swap injectors across banks. March 29th, 2010 #5 · samh_08. STFT B1S2 99.2% – Submit Your Question HERE – Ask Scotty
In this video I locate and repair a vacuum leak. Then I will show you how to use fuel trim numbers to determine whether or not the What can cause P0172/P0175 Rich DTC? The Delphi Training Series breaks it down for you. To see the whole webinar, visit
+50% STFT bank 1 during idle only?? P0171 SHORT TERM FUEL TRIM #kevinnadeau #gmcenvoy I made this video to explain the basics of fuel trims.
🚗 Chevy Tahoe, Silverado, Suburban, GMC Sierra - Bank 1 Sensor 1 O2 Sensor Location & OBD2 Codes 🔍 How to Fix / Bypass P0420 P0430 Code Cheap! #viral #shortsvideo #howto #cars #mechanic #car
How to Diagnose a Failing Fuel Pump with Fuel Trim data / Pro OBD2 Diagnostic Scanner NOT Required Long Term Fuel Trim Explained HOW TO READ SHORT TERM FUEL TRIM NUMBERS AND I EXPLAIN NORMAL RANGE NUMBERS
In this live demonstration, I break down the relationship between short-term fuel trim and long-term fuel trim and how they adapt to Subscribe to see full videos @PhillipsVision. Today I show you how to reset your long term fuel trims, which allows the ECU to relearn the fuel trims.
Check out Hands On Auto Training If some one would have explained it like this to me 25 years ago I would not have struggled P0171 P0174 Fuel Trim System Lean FIX! Chevrolet Silverado 4.3
On this episode of Fear No Fix, Chris and Jordan break down the various things you'll want to investigate if you're getting Fuel Trim Diagnostics [an SD Premium class] #fueltrim
how to quickly and properly diagnose a faulty O2 sensor or catalytic converter these tests must be performed after the vehicle is Customer states check engine light and P0420 code Using oxygen sensor data you can quickly get an idea of catalytic converter STFT B1/B2 S2 99.2%, is this normal? **PIC** - Ford F150 Forum
What do you do when a vehicle has no codes but exhibits bad fuel economy? Andrew Markel details the situation with a 2004 how to read 02 sensors, short and long term fuel trims
STFT B1S2 means Short Term Fuel Trim Bank 1 Sensor 2, which is the downstream 02 sensor from the catalytic converter. 02 Silverado 1500 5.3 Long Term Short Term Fuel Trim #obd2 #silverado1500 #Z71 #vortec #truckrepair Bank 1 or 2
Links Below: Datalogging indicates high Long Term Fuel Trim (LTFT) @ +15%. New Custom Tuner Shop hesitates making Short Term and Long Term Fuel Trims Explained [Easily] I had a good opportunity to show you what fuel trims shouldn't look like so I show that here. It even threw 2 codes for both banks
My car is showing a huge STFT imbalance between bank 1 & 2. Bank 1 is adding up to 20% fuel while bank 2 is in the 5% range - which bank 1 has been on previous Simple Fuel Trims Explanation (STFT and LTFT)
Full video: ------------------------------------------------------------------------------------------- Use an OBD Understanding Fuel Trim by Ross-Tech
Test Your Lean Condition P0171 / P0174 Diagnostic Skills!