(A8) Engine Performance
Video links by ASE Content Area. Includes video date, video length, and Halderman rating of Good, Better, or Best.
A. General: Engine Diagnosis (click to expand)
Cylinder Balance Test (Time 7:26) (2020) (Better)
Cylinder Deactivation – Mazda CX-5 (Time 2:08) (2017) (Better)
Cylinder Deactivation (Time 2:35) (2011) (Good)
Cylinder Power Balance Test (Time 2:55) (2020) (Better)
Delphi Tula Dynamic Skip Fire Cylinder Deactivation System (Time 2:45) (2017) (Better)
Ford Ecoboost 1.5L Petrol Engine with Cylinder Deactivation Technology (Time 2:17) (2018) (Better)
GM Cylinder Deactivation (Time 14:14) (2020) (Good)
How to Cylinder Leakdown Test (Time 5:27) (2017) (Better)
How to do a compression Test on Your Engine (Time 4:30) (2017) (Better)
Manifold Absolute Pressure Sensor (MAP) (Time 2:23) (2018) (Best)
Vacuum Testing with a Professional (Time 10:34) (2020) (Better)
Variable valve Timing Explained (Time 3:52) (2014) (Better)
Task 1: Identify and interpret engine performance concerns; determine needed action.
Task 2: Research vehicle service information including vehicle service history, service precautions, and technical service bulletins.
Task 3: Diagnose abnormal engine noises or vibration concerns; determine needed action.
Task 4: Diagnose the cause of excessive oil consumption, coolant consumption, unusual exhaust color, odor, and sound; determine needed action.
Task 5: Perform engine absolute manifold pressure tests (vacuum/boost); determine needed action.
Task 6: Perform cylinder power balance test; determine needed action.
Task 7: Perform cylinder cranking and running compression tests; determine needed action.
Task 8: Perform cylinder leakage test; determine needed action.
Task 9: Diagnose engine mechanical, electrical, electronic, fuel, and ignition concerns; determine needed action.
Task 10: Verify engine operating temperature; determine needed action.
Task 11: Verify correct camshaft timing including engines equipped with variable valve timing systems (VVT).
B. Computerized Controls Diagnosis and Repair (click to expand)
Bad Engine Control Module Symptoms (Time 4:06) (2017) (Good)
CAN Bus Explained (Time 8:41) (2017) (Better)
Check Engine Light? Car Knock Sensor Low Input – Code P0327 P0332 (Time 4:23) (2020) (Best)
Coolant Temperature Sensor – 2006-2013 3.5L Chevy Impala (P0117, P1258) (Time 14:10) (2018) (Better)
Downstream O2 Sensors (Time 6:13) (2016) (Good)
Engine Coolant Temp Sensor Diagnosis (Time 11:18) (2019) (Better)
Five Symptoms of a Bad Oxygen Sensor and O2 Sensor Is Failing (Time 2:23) (2019) (Better)
Fuel Trims Mass Air Flow Case Study Diagnosis (P0171, P0172) (Time 1:08:43) (2017) (Better)
How ECU’s Work (Time 5:33) (2017) (Better)
How the Car Engine Control Unit Module Controls and Works (Time 3:59) (2017) (Good)
How to Identify O2 Sensor Failure (Air Fuel Ratio Sensor) (Time 1:53) (2019) (Best)
How to Read, Understand, and Use a Wiring Diagram (Time 12:18) (2020) (Best)
How to Replace an Oxygen (O2) Sensor (Time 4:42) (2012) (Better)
How to Replace Downstream O2 Oxygen Sensor 06-07 Ford Explorer V8 4.6L (Time 3:40) (2017) (Best)
How to Replace Engine Knock Sensor 00-06 Chevy Suburban SUV (Time 15:51) (2014) (Good)
How to Test a CAN Bus Network with a Meter (Time 16:06) (2019) (Good)
How to Test a MAF Or MAP Sensor with a Multimeter (Time 12:25) (2016) (Good)
How to Test a Throttle Position Sensor with or Without a Wiring Diagram (Time 8:45) (2014) (Good)
How to Use an OBDII Scanner (Time 2:20) (2018) (Best)
Instructor Series: Inputs, Outputs, and PCM (Time 5:04) (2016) (Good)
Manifold Absolute Pressure Sensor (MAP) (Time 2:23) (2018) (Best)
MAP or Manifold Air Pressure Sensor (Time 2:04) (2010) (Good)
Most Common Car, Truck, SUV Trouble Codes – Explaining OBDII Codes (Time 6:52) (2020) (Best)
Nvidia’S Vision for the Software Defined Car (Time 13:55) (2020) (Better)
O2 Sensor Diagnostics (Time 49:05) (2014) (Good)
O2 Sensors Is It Upstream Or Downstream? (Time 3:07) (2017) (Best)
OBD2 Explained – a Simple Intro (Time 11:23) (2017) (Better)
OBDII Diagnostic Scan Tool (Time 3:15) (2019) (Best)
Signs of a Bad ECM, ECU, PCM, Car Computer Failure Symptoms (Time 1:55) (2020) (Better)
Six Ways to Wire in Your ECU (Time 9:11) (2015) (Good)
Three Signs of a Bad Map Sensor Failing Symptoms P0105 P0106 P107 P0108 (Time 2:01) (2020) (Better)
TPS (Throttle Position Sensor) Types (Time 7:33) (2019) (Good)
Tuning (Time 11:49) (2018) (Better)
What Is an ECU? Car, SUV and Truck Computer Acronyms Explained (Time 5:29) (2020) (Best)
Why Car Sensors Typically Use 5V Instead of 12V (Time 2:00) (2020) (Good)
Task 1: Retrieve and record diagnostic trouble codes (DTC), OBD monitor status, and freeze frame data; clear codes when applicable.
Task 2: Access and use service information to perform step-by-step (troubleshooting) diagnosis.
Task 3: Perform active tests of actuators using a scan tool; determine needed action.
Task 4: Describe the use of OBD monitors for repair verification.
Task 5: Diagnose the causes of emissions or driveablility concerns with stored or active diagnostic trouble codes (DTC); obtain, graph, and interpret scan tool data.
Task 6: Diagnose emissions or driveablility concerns without stored or active diagnostic trouble codes; determine needed action.
Task 7: Inspect and test computerized engine control system sensors, powertrain/engine control module (PCM/ECM), actuators, and circuits using a graphing multimeter (GMM)/digital storage oscilloscope (DSO); perform needed action.
Task 8: Diagnose driveablility and emissions problems resulting from malfunctions of interrelated systems (cruise control, security alarms, suspension controls, traction controls, HVAC, automatic transmissions, non-OEM installed accessories, or similar systems); determine needed action.
C. Ignition System Diagnosis and Repair (click to expand)
COP Ignition Test- Diagnostic Quick Tips (Time 2:04) (2016) (Better)
Crankshaft Position Sensor (Time 2:55) (2018) (Better)
Discover How to Test Your Entire Ignition System with One Simple Tool (Time 4:51) (2016) (Good)
Distributor Vs Wasted Spark Vs Coil on Plug Vs Monster Coil Near Plug (Time 16:55) (2020) (Better)
Five Signs of a Bad Crankshaft Position Sensor or Is Failing No Start (Time 2:35) (2019) (Better)
Fix Your Distributor Diagnosis and Repair (Time 25:00) (2018) (Better)
How Camshaft Timing Affects Engine Performance (Time 21:35) (2021) (Best)
How Distributorless Ignition System Works (Time 5:56) (2013) (Better)
How Does the Hall Effect Work? (Time 2:20) (2019) (Better)
How Electrical and Ignition Systems Work (Time 1:31) (2014) (Better)
How Ignition Coils Work (Time 3:42) (2019) (Best)
How Is Distributor Ignition System Working? (Time 4:06) (2017) (Good)
How to “Read” Your Spark Plugs (Time 3:26) (2019) (Best)
How to Check, Set Gap, and Replace Spark Plugs (Time 5:38) (2018) (Better)
How to Diagnose Cranking No-Start Conditions (Time 2:00:07) (2019) (Better)
How to Replace Alternator 05-10 Chevy Silverado (Time 12:01) (2019) (Best)
How to Replace an Alternator (Time 3:06) (2019) (Best)
How to Replace Crankshaft Position Sensor 02-06 Nissan Altima L4 2.5L (Time 7:22) (2017) (Better)
How to Replace Ignition Control Module 96-99 GMC K1500 (Time 4:33) (2017) (Better)
How to Replace Spark Plugs and Ignition Coils 04-07 Subaru Impreza (Time 34:26) (2018) (Better)
How to Replace Spark Plugs, Ignition Coils, and Spark Plug (Time 7:51) (2019) (Good)
How to Test Crankshaft and Camshaft Position Sensors (Time 7:07) (2015) (Good)
Identifying Types of Ignition Systems (Time 12:09) (2020) (Better)
Ignition System Explained (Time 24:20) (2020) (Good)
Ignition Systems (Time 13:30) (2018) (Better)
Ignition Systems COP and Wasted Spark (Time 1:58) (2016) (Good)
Ignition Systems Explained (Time 20:51) (2020) (Good)
No Crank Diagnosis Fundamentals (Starter Testing) (Time 23:34) (2019) (Good)
Primary and Secondary Components on a Waste Spark System (Time 4:00) (2020) (Better)
Signs of a Bad Distributor (Time 2:59) (2021) (Better)
Spark Plug Tester (Time 6:19) (2019) (Good)
Symptoms of a Bad Crankshaft Position Sensor (Time 2:27) (2021) (Good)
Test Spark Plug Wires with Multimeter (Time 6:27) (2017) (Good)
Testing Cam-Crank Sensor Relationship on a Picoscope (Time 14:27) (2018) (Good)
What Makes Coil-On-Plug Modules Go Bad? (Ignition Coil Diagnostics) (Time 4:54) (2016) (Better)
What You Need to Know About Spark Plugs (Time 12:28) (2016) (Better)
When to Replace Your Ignition Coil and How to Check It’s Bad (Time 3:14) (2019) (Better)
Task 1: Diagnose (troubleshoot) ignition system related problems such as no-starting, hard starting, engine misfire, poor driveability, spark knock, power loss, poor mileage, and emissions concerns; determine needed action.
Task 2: Inspect and test crankshaft and camshaft position sensor(s); determine needed action.
Task 3: Inspect, test, and/or replace ignition control module, powertrain/engine control module; reprogram/initialize as needed.
Task 4: Remove and replace spark plugs; inspect secondary ignition components for wear and damage.
D. Fuel, Air Induction, and Exhaust Systems Diagnosis and Repair (click to expand)
An Overview of the Refining Process (Time 4:25) (2017) (Better)
Animation Fuel Filter: Heroes Under the Hood (Time 1:21) (2018) (Best)
Bosch GDI (Time 2:37) (2015) (Best)
Check Engine Light? Mass Airflow Sensor (MAF) Circuit: Code P0102 (Time 5:09) (2020) (Best)
Diagnosing Fuel Leaks in Your Car, Truck Or SUV (Time 8:53) (2020) (Best)
Diesel (Time 11:50) (2018) (Better)
Does Cleaning a Mass Air Flow (MAF) Sensor Really Work? (Time 17:11) (2017) (Better)
Electric Vs Mechanical Fuel Pump (Time 6:43) (2013) (Better)
Electronic Throttle Body Operation and Failure Issues (Time 7:31) (2017) (Good)
Electronic Throttle Body Troubleshooting (Time 13:52) (2020) (Better)
Electronic Throttle Control System Diagnosis (Time 3:29) (2015) (Better)
Ethanol Vs Gasoline (Time 4:13) (2018) (Good)
Ford Fuel Problems (Time 3:22) (2018) (Best)
Ford P0171 P0174 P1101 – Ford Mass Airflow Sensor Diagnosis Video (Time 9:32) (2016) (Good)
Fuel Delivery System Operation (Time 17:40) (2013) (Good)
Fuel Filter Explanation (Time 4:18) (2015) (Better)
Fuel Injectors (Time 10:25) (2018) (Best)
Fuel Octane Ratings Explained (Time 9:03) (2021) (Better)
Fuel Pump Connector Issues (Time 3:07) (2016) (Better)
Fuel Pump Electrical Check ( Time 2:56) (2016) (Better)
Gasoline (Time 6:23) (2018) (Better)
Gasoline Grades (Time 7:18) (2020) (Better)
Gasoline Vs Diesel Four Major Differences (Time 9:26) (2016) (Good)
GDI Engines and Carbon Deposits (Time 13:59) (2017) (Better)
How a Fuel Pump Works (Time 6:22) (2017) (Good)
How a Turbo Works (Time 3:46) (2011) (Better)
How a Turbocharger Works! (Animation) (Time 3:42) (2014) (Better)
How Biodiesel Is Made (Time 2:05) (2015) (Better)
How Does a Fuel Delivery Module Work? (3D Animation) (Time 3:16) (2020) (Best)
How It Works: Electronic Throttle (Time 6:41) (2018) (Better)
How to Clean and Replace an MAF Sensor (Mass Air Flow Sensor) (Time 2:40) (2018) (Best)
How to Clean Fuel Injectors Like the Pros (Time 5:58) (2019) (Best)
How to Diagnose a Failed Car, Truck and SUV Fuel Pump (Time 4:14) (2020) (Best)
How to Diagnose and Replace a Fuel Pump (Time 13:57) (2016) (Good)
How to Diagnose, Test and Clean Dirty, Clogged Or Bad Fuel Injectors (Time 17:21) (2016) (Good)
How to Fix Intake Manifold Runner Control (Time 8:50) (2019) (Better)
How to Replace Fuel Injectors – GM 3.1L 3.4L Engine (Time 10:58) (2019) (Good)
How to Replace Fuel Injectors 04-08 Dodge Ram (Time 10:13) (2016) (Better)
How to Replace Fuel Injectors 97-04 Ford F150 (Time 7:43) (2017) (Best)
How to Replace MAF Sensor 04-13 Mazda 3 (Time 4:43) (2018) (Best)
How to Replace MAF Sensor 07-13 Chevy Silverado (Time 3:59) (2018) (Best)
How to Replace MAF Sensor and Housing 04-06 Nissan Altima (Time 6:08) (2017) (Best)
How to Replace Mass Airflow Sensor 07-12 Nissan Altima (Time 2:46) (2019) (Better)
How to Replace Your Vehicle’s Fuel Filter (Time 4:25) (2018) (Best)
How to: Change Your Vehicle’s Air Filter (Time 1:49) (2018) (Best)
How Turbocharger Works (Time 2:45) (2015) (Better)
How We Make Biodiesel (Time 5:39) (2018) (Better)
Intake Manifold Problems (Time 4:26) (2019) (Best)
Intake Manifold Runner Control (Time 12:04) (2010) (Better)
Is There Such a Thing As Better Gas (Time 9:40) (2018) (Better)
Lag, Hard Start, Stall? Diagnose Car and Truck Low Fuel Pressure! (Time 19:30) (2020) (Best)
Making Bio Fuels (Time 4:46) (2019) (Better)
No Fuel Pressure Troubleshooting Basics (Time 16:49) (2016) (Good)
P2293 High Pressure Fuel Pump Diagnosis – 2006 2.0T VW Jetta (Time 18:24) (2020) (Best)
Procedures for Depressurizing the High Side of a GDI System (Time 1:49) (2015) (Good)
Purpose of a Turbocharger (Time 2:23) (2011) (Better)
Replacing Rusty Leaking Fuel Lines so You Can Drive with Confidence (Time 5:06) (2019) (Good)
Rough Running? Bad Mileage? How to Diagnose Car and Truck Fuel Injectors! (Time 5:41) (2020) (Best)
Symptoms of a Bad Fuel Pump Not Starting but Crank (Time 2:14) (2019) (Better)
Throttle Body Relearn When Should I Reprogram My Car’s Throttle Body? (Time 2:42) (2020) (Best)
Trouble Shooting Fuel Pumps Voltage Drop Test (Time 6:18) (2013) (Good)
Turbo Lag (Time 3:07) (2011) (Better)
Turbochargers Vs Superchargers (Time 9:15) (2018) (Better)
Two Signs of a Bad Fuel Pressure Regulator Failing Symptoms Leaks (Time 2:16) (2020) (Better)
Understanding Gasoline Direct Injection and Fuel Quality (Time 3:28) (2015) (Good)
What Does a Mass Air Flow Sensor Do in a Car, Truck, SUV? (Time 12:15) (2020) (Best)
What Is Biodiesel? (Time 5:04) (2020) (Better)
What Is E85? | the Build Sheet (Time 6:54) (2020) (Better)
What Is The Structure of Intake Manifolds? (Time 2:08) (2017) (Best)
What’s the Best Fuel for Your Car? (Time 4:40) (2021) (Better)
Why Do Fuel Injectors Clog? (Time 1:21) (2017) (Better)
Why New Cars Are Using Both Direct and Port Fuel Injection (Time 12:06) (2019) (Better)
Why You Need a Fuel Pressure Regulator (Time 3:52) (2019) (Better)
Task 1: Diagnose (troubleshoot) hot or cold no-starting, hard starting, poor driveablility, incorrect idle speed, poor idle, flooding, hesitation, surging, engine misfire, power loss, stalling, poor mileage, dieseling, and emissions problems; determine needed action.
Task 2: Check fuel for contaminants; determine needed action.
Task 3: Inspect and test fuel pump(s) and pump control system for pressure, regulation, and volume; perform needed action.
Task 4: Replace fuel filter(s) where applicable.
Task 5: Inspect, service, or replace air filters, filter housings, and intake duct work.
Task 6: Inspect throttle body, air induction system, intake manifold and gaskets for vacuum leaks and/or unmetered air.
Task 7: Inspect, test, and/or replace fuel injectors.
Task 8: Verify idle control operation.
Task 9: Inspect integrity of the exhaust manifold, exhaust pipes, muffler(s), catalytic converter(s), resonator(s), tail pipe(s), and heat shields; perform needed action.
Task 10: Inspect condition of exhaust system hangers, bracket, clamps, and heat shields; repair or replace as needed.
Task 11: Perform exhaust system back-pressure test; determine needed action.
Task 12: Check and refill diesel exhaust fluid (DEF).
Task 13: Test the operation of turbocharger/supercharger systems; determine needed action.
E. Emissions Control Systems Diagnosis and Repair (click to expand)
Check Engine Light? Codes P0446, P0455: What Causes a Car EVAP Code? (Time 5:27) (2020) (Best)
Diagnosing Catalytic Converters (Time 4:34) (2020) (Best)
Exhaust Smoke Types (Black, White and Blue) Causes (Time 11:37) (2019) (Good)
How an Exhaust System Works (Time 21:13) (2019) (Better)
How Car Exhaust System Works (Time 6:16) (2013) (Best)
How the 3-Way Catalytic Converter and Lambda Sensor Work (Time 3:22) (2020) (Better)
How to Diagnose and Replace a PCV Valve (Time 3:09) (2019) (Best)
How to Replace PCV Valve 07-14 Toyota Fj Cruiser (Time 3:51) (2019) (Best)
How to Test a EGR Valve Solenoid (Time 5:42) (2020) (Better)
New VEIP Self Serve Kiosk Tutorial Emission Testing (Time 3:39) (2020) (Good)
PCV Valve Blockages (Time 2:15) (2019) (Better)
PCV Valve Replacement for VW/ Audi 2.0T TSI (Time 7:11) (2014) (Better)
See Through Catalytic Converter (Time 10:24) (2019) (Better)
Three Signs of a Bad PCV Valve Failing Symptoms No Rattle Noise (Time 1:36) (2020) (Better)
Vehicle Emission Basics (Time 28:52) (2020) (Good)
What Are Catalytic Converters (Time 2:45) (2019) (Better)
What Happens When an EGR Valve Sticks Open? (Time 13:47) (2017) (Better)
Task 1: Diagnose oil leaks, emissions, and driveablility concerns caused by the positive crankcase ventilation (PCV) system; determine needed action.
Task 2: Inspect, test, service, and/or replace positive crankcase ventilation (PCV) filter/breather, valve, tubes, orifices, and hoses; perform needed action.
Task 3: Diagnose emissions and driveablility concerns caused by the exhaust gas recirculation (EGR) system; inspect, test, service and/or replace electrical/electronic sensors, controls, wiring, tubing, exhaust passages, vacuum/pressure controls, filters, and hoses of exhaust gas recirculation (EGR) systems; determine needed action.
Task 4: Diagnose emissions and driveablility concerns caused by the secondary air injection system; inspect, test, repair, and/or replace electrical/electronically-operated components and circuits of secondary air injection systems; determine needed action.
Task 5: Diagnose emissions and driveablility concerns caused by the evaporative emissions control (EVAP) system; determine needed action.
Task 6: Inspect, test, service, and replace components of the EGR system including tubing, exhaust passages, vacuum/pressure control, filters, and hoses; perform necessary action.
Task 7: Interpret diagnostic trouble codes (DTCs) and scan tool data related to the emissions control systems; determine needed action.