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- (Chapter 1) Misfire ID, Compression Test, Vacuum Leaks, Fuel Trim, Head Gasket, Restricted Exhaust, Low Power, DVOM
- 2002 Ford Escape 3.0 Misfire - ignition coils connected wrong
- Causes of low compression, no start from a stuck closed IAC (part 1) - Toyota/Lexus
- Exhaust Backpressure Testing (known bad compared to known good)
- How to check for a jumped timing chain or belt
- How to perform a compression test with a scope (Picoscope)
- How to perform a compression test with a scope (Verus-Vantage)
- How to quickly identify a vacuum leak using fuel trim and water
- How to test a computer ground circuit (Audi)
- How to test for a bad head gasket
- How to test for a restricted exhaust (catalytic converter)
- Mercury Cougar high idle speed, lean condition P0171, P0174
- Misfire caused by a vacuum leak
- Secondary Ignition Waveforms (common faults)
- System Too Lean (P0171, P0174) - Vacuum Leak Quick Test - Ford 5.4
- (Chapter 2) Switch Inputs, digital signals, module communication, hall effect testing
- (Chapter 3) Transistors, Solenoids, Computer Controlled Output Testing
- How to test a computer controlled solenoid (energizing the circuit manually)
- (EVAP) Vent Solenoid Control Circuit P0449 repair - GM
- 2012 Dodge Caliber P0441 EVAP Purge System Performance
- EGR Closed Performance P1404 with new EGR valve installed (GM)
- EVAP leak P0455 (vacuum cut valve-bypass valve test) - Nissan
- GM EVAP Vent Solenoid Testing
- Honda VTEC System Testing (P1259 trouble code)
- How to test a computer controlled solenoid (circuit ID with voltmeter)
- How to test a computer transistor driver (with a scan tool)
- How to test a computer transistor driver (without a scan tool)
- How to test a purge solenoid (Mazda P0443, P0455)
- How to test Intake Valve Control Solenoids (codes P0028, P0082) - Subaru
- How to troubleshoot a starting system (bad ignition switch) - Dodge Neon
- Intake/Exhaust Camshaft Actuator Solenoid test (P0010, P0011) - GM 2.4
- (Chapters 4 and 5) Fuel Trim and Oxygen Sensor Testing
- Engine runs rich P0172, P0175 from a blown O2 heater fuse (Jeep)
- Honda Oxygen Sensor quick tests (bias voltage)
- How to simulate a rich & lean O2 signal (PCM response testing)
- How to test an oxygen sensor on a Honda (scope vs voltmeter)
- How to use Fuel Trim to identify the cause of a P0171 and P0174 code
- Leaking Fuel Pressure Regulator (symptoms and testing)
- O2 Sensor wiring quick tests (Ford with no bias voltage)
- Oxygen Sensor Slow Response test (P0134) - Nissan
- P0133 O2 Slow Response (reversed O2 connectors) - Hyundai
- P0506 IAC System RPM below expected (vacuum leak) - Ford
- Using Fuel Trim to identify type of misfire (can it be done?)
- What can cause an O2 sensor to read near 5 volts? (Chrysler bias voltage)
- What is Oxygen Sensor Bias Voltage? (an SD Premium video)
- Wideband O2 sensor testing, P1130 (Lexus RX-300) - Part 2
- Wideband O2 sensor testing, P1130 (Lexus RX-300) part 1
- (Chapter 6) Temperature Sensor, Thermistor Circuit Tests
- (Chapter 7) Potentiometer-position sensor tests TPS, EVP, APP, VAF etc
- Chapter 7 (Potentiometers) - an SD Premium preview
- Hesitation and idle problems from a bad TPS (OBD1 Eclipse)
- How to test TPS wiring with a scan tool (any car)
- P0123 TPS Voltage Higher than max limit - Jeep
- Scan tool data graph vs Lab Scope waveform (should I buy a scope?)
- Throttle Position Sensor Test (voltmeter and scope)
- (Chapter 8) Pressure Sensor Testing, MAP, BARO, DPFE, fuel tank and rail pressure sensors
- (Chapters 9, 10 and 11) The 5v Reference and Signal Circuit Quick Tests
- 1996 Jeep No Start Case Study Part I
- 1996 Jeep No Start Case Study Part II
- 1996 Jeep No Start Case Study Part III
- How to test a knock sensor - GM (low power condition)
- How to test a knock sensor (P0328) - Nissan
- How to test a throttle position sensor (P0121, P0122) GM wiring integrity
- How to test throttle position sensor wiring with a resistor (any car)
- Intermittent stalling, no start from a shorted vehicle speed sensor
- (Chapter 12) Mass Airflow Sensor Testing
- Dirty MAF Sensor Case Study
- How to identify and clean a dirty MAF sensor (Subaru)
- How to test a GM MAF Sensor (Part 1)
- How to test a GM MAF Sensor (Part 2)
- How to test a MAF sensor using a Picoscope - GM
- Low power, lean conditions (cracked air intake tube) GM
- MAF sensor code P0102 from a bad engine computer - (Chevy van)
- MAF sensor trouble code (P0102) caused by a bad ground (GM 3100)
- (Chapters 14, 15,16) Fuel Delivery and Fuel Pressure Testing
- Ford Electronic Returnless Fuel System Diagnosis (Part 1)
- Fuel psi less than 50 psi = no start (GM CPI Vortec)
- Fuel Pump Electrical Circuits Description and Operation
- Fuel Pump Relay Problem
- GM Fuel Pump Relay Testing
- How to identify a leaking fuel pressure regulator on a GM CPI system (part 1)
- How to identify a leaking fuel pressure regulator on a GM CPI system (part 2)
- How to test an electric fuel pump
- How to verify and troubleshoot a no fuel pressure problem - Jeep
- Low fuel pressure causing a P0171 and P0174 trouble code
- Low Fuel Pressure from a bad fuel pump ground (Ford Ranger)
- No start troubleshooting (fuel pressure, injector pulse, spark) - GM OBDI
- Testing for a leaking, ruptured, fuel pressure regulator diaphragm
- (Chapters 17, 18 and 19) Fuel Injector Testing
- GM 3300 Intermittent no start rough idle (shorted injectors) part 2
- How to identify injector flow problems (Toyota 1.8L) part 1
- How to identify injector flow problems (Toyota 1.8L) part 2
- How to test a fuel injector (open winding) Nissan
- How to test a fuel injector for flow problems (GM)
- How to test and fix a PGM-FI main relay - Honda/Acura
- How to test for injector flow problems (Dodge, Chrysler)
- How to test for shorted fuel injectors (1987-1994 GM Cars)
- How to test fuel injectors with a labscope - Chrysler 3.0
- Misfire from a sticking fuel injector (no fuel misfire)
- No Start No injector pulse (shorted injector) part 1
- No Start No injector pulse (shorted injector) part 2
- Stuck Open Fuel Injector (how to fix)
- (Chapter 20) Idle Speed Problems and Testing
- How to test an Idle Air Control (IAC) valve - Nissan/Infinity
- Causes of low compression, no start from a stuck closed IAC (part 2) - Toyota/Lexus
- Ford Idle Air Control (IAC) valve test (how to adjust minimum idle speed)
- Honda-Acura Surging Idle Speed (case study)
- How to test an idle air control valve (IAC) using a Picoscope - Ford
- MAP Sensor Code P0106 caused by a dirty throttle body
- Mercury Cougar moaning, humming, howling sound at idle (bad IAC valve)
- P0507 Idle Control System (RPM Too High) - vacuum leak - GM
- (Chapter 21) Ignition inputs, cam and crank
- How to test a GM ignition module (crank sensor bypass test) - VRS
- 1997 Dodge Neon no start, crank sensor problems
- 2005 Impala setting a false crank sensor DTC (shorted cam sensor wiring)
- Camshaft Position Sensor Circuit Quick Test
- Dodge/Chrysler 3.3L cam/crank correlation problem (incorrect cam gear)
- Ford Taurus Cam Synchronizer Diagnosis and Replacement
- How to test a cam sensor with a voltmeter (All Chrysler models)
- How to test a crank sensor on a GM 3800 engine (3x and 18x signals)
- How to test a crank sensor with a voltmeter (All Chrysler models)
- How to test a GM 3-wire crank sensor (hall effect type)
- Intermittent stall, no start - P0320, P1391 cam, crank sensor testing (Jeep)
- Misfire caused by a misadjusted crank sensor (rubbing on flywheel)
- (Chapter 22) No Spark Troubleshooting, Ignition Coil & Module Testing
- 2002 Chevy Cavalier No Start (a direction based approach)
- 2004 Saturn Ion 2.2 misfire, no spark from one coil, bad ignition module
- 2005 Trailblazer 4.2 #6 cylinder misfire diagnosis (spark and fuel test)
- 99 Honda Civic No Spark Diagnosis with a Test Light
- Basic Ignition Description, Operation and Testing (any car)
- Ford 5.4 shorted coil primary winding and bad computer driver
- Honda Civic, misfire, stall, hard start, weak spark (bad igniter)
- How to determine which cylinder is misfiring (cylinder drop test)
- How to find a shorted coil on a Ford 5.4 engine (misfire diagnosis)
- How to test an igniter on a Toyota/Lexus
- How to test for a shorted ignition coil (Honda Distributor)
- How to troubleshoot a no spark condition with a test light (Subaru)
- Operation and testing coil over plug ignition (4 wire) - Toyota/Lexus
- (Chapter 24) EGR Flow and System Tests
- 2009 Chevy Silverado 2500 3" lift kit install
- ScannerDanner "Tried To Diagnose...Can't"
- Silverado 2500 lift kit install - control arms, shocks, axles, front diff (part 2)
- Silverado 2500 lift kit install - front diff lowering kit and install (part 3)
- Silverado 2500 lift kit install - install control arms, axles, shocks, torsion keys (part 4)
- Silverado 2500 lift kit install - rear block install, final pics (part 5)
- Silverado 2500 lift kit install - torsion bar keys (part 1)
- Starting, Charging and Battery system problems
- Other Automotive Repair
- Picoscope Basics
- Ground circuit problems
- Non-Repair Videos
- HVAC and Cooling systems troubleshooting
- EVAP System Testing
- RV Maintenance and Repair
- 95 Jeep Cherokee flat tow prep
- Engine Performance Diagnostics
- About Us
- Terms & Conditions
- Privacy Policy
- FAQ
- SD slideshow