Page 1-4 Dirty MAF Sensor Case Study https://youtu.be/Hmt_LNJ9GkI How to test for a restricted exhaust (catalytic converter) https://youtu.be/9TlygJMxTps Page 1-5 How to find a vacuum leak with water https://youtu.be/cuod8-zFSQ4 Page 1-7 Secondary Ignition Waveforms (common faults) https://youtu.be/SUShO72Grq8 How to determine which cylinder is misfiring (cylinder drop test) https://youtu.be/5ewJIBS9L98 Misfire troubleshooting using exhaust gases https://youtu.be/Uzmoyo00VpE How to test for a bad head gasket https://youtu.be/TDd0B7dSsTk Page 1-9 How to perform a compression test with a scope (Verus-Vantage) https://youtu.be/WKdZsWU2ZmI How to perform a compression test with a scope (Picoscope) https://youtu.be/spkpkRvQPHY How to check for a jumped timing chain or belt https://youtu.be/pKic89CIPlM 2002 Ford Escape 3.0 Misfire - ignition coils connected wrong https://youtu.be/XfOkTAJOi74 Page 1-13 Poor running, flashing CEL, no codes (bad computer ground) - Toyota https://youtu.be/44dP6X3QS5A Page 1-14 How to test for a restricted exhaust (catalytic converter) https://youtu.be/9TlygJMxTps Exhaust Backpressure Testing (known bad compared to known good) https://youtu.be/Lafv2c4szZY Page 2-3 How to test Intake Valve Control Solenoids (codes P0028, P0082) - Subaru https://youtu.be/Lo2OmuIZ2rE Switch Input Identification Variables https://youtu.be/5MGaB7gqnGw How to test computer controlled door locks - Subaru https://youtu.be/_nhlqRGNHzo Honda VTEC System Testing (P1259 trouble code) https://youtu.be/vTis29MQC4U Page 2-4 How to test a crank sensor with a voltmeter https://youtu.be/yp_kK6U8a64 How to test a cam sensor with a voltmeter https://youtu.be/irHVjFTq4LE Page 2-8 How to test a GM 3-wire crank sensor (hall effect type) https://youtu.be/IzZNlPosGSY Camshaft Position Sensor Circuit Quick Test https://youtu.be/0xP4lMCdO6w Page 2-12 How to test a crank sensor on a GM 3800 engine (3x and 18x signals) https://youtu.be/jACyNHl_L1g How to test an igniter on a Toyota/Lexus https://youtu.be/VG3EZJlyjl8 Page 3-2 Ford EGR Flow Testing (P0401, P0402, P0405) https://youtu.be/pH_kjRwD-Xw How to test a computer controlled solenoid (circuit ID with voltmeter) https://youtu.be/pkcwNkkNWYA Page 3-4 How to test a computer controlled solenoid (energizing the circuit manually) https://youtu.be/ZEYMg-7J1dg How to test for EGR flow problems (GM electronic EGR test) - P0401 https://youtu.be/QYtYSgglJoY Ford EGR Flow Testing (P0401, P0402, P0405) https://youtu.be/pH_kjRwD-Xw Page 3-6 How to test a computer transistor driver (with a scan tool) https://youtu.be/MOSH8XLKrLc How to test a computer transistor driver (without a scan tool) https://youtu.be/8FnYllf5D9E Page 3-8 How to test an Idle Air Control (IAC) valve - Nissan/Infinity https://youtu.be/Wt_zTJWbDzs How to test a purge solenoid (Mazda P0443, P0455) https://youtu.be/ZqWIwBByBHE Page 3-13 GM Fuel Pump Relay Testing https://youtu.be/McnXLcJNVfI Page 3-15 Ford Taurus Cam Synchronizer Diagnosis and Replacement https://youtu.be/oUQpngRn-ag Page 4-4 Understanding Short Term and Long Term Fuel Trim (a SD Premium video) https://youtu.be/oRX2V6_a3dc Page 4-6 Low fuel pressure causing a P0171 and P0174 trouble code https://youtu.be/nYN-RoFVwAA P0506 IAC System RPM below expected (vacuum leak) - Ford https://youtu.be/Sqpelz3aTNQ Page 5-1 How to test an oxygen sensor on a Honda (scope vs voltmeter) https://youtu.be/uYMGnvtgi8w Page 5-2 Leaking Fuel Pressure Regulator (symptoms and testing) https://youtu.be/6pb2jt8tabM Chevy 4.8 Oxygen Sensor Test (fixed rich signal P0172, P0175) https://youtu.be/H6lY42u19VM Page 5-3 Using Fuel Trim to identify type of misfire (can it be done?) https://youtu.be/G_89r12vZFw Page 5-6 How to quickly test an oxygen sensor circuit (GM bias voltage) https://youtu.be/adkFTSoxM6Q What can cause an O2 sensor to read near 5 volts? (Chrysler bias voltage) https://youtu.be/v8XrM-7BuOg System Too Rich P0172, P0175 from a blown O2 heater fuse (Jeep) https://youtu.be/SEuGtggZAvo Page 5-7 Honda Oxygen Sensor quick tests (bias voltage) https://youtu.be/nLhqTG0iBVU Page 5-10 What can cause an O2 sensor to read near 5 volts? (Chrysler bias voltage) https://youtu.be/v8XrM-7BuOg Page 5-12 How to simulate a rich & lean O2 signal (PCM response testing) https://youtu.be/7MDtYzHl6AY O2 Sensor wiring quick tests (Ford with no bias voltage) https://youtu.be/djyyKlIVeMI Page 6-5 How to test a fuel gauge (tank sending unit) P0463 - GM https://youtu.be/SIR-quUzZwY Page 7-5 Scan tool data graph vs Lab Scope waveform (Throttle Position Sensor Testing) https://youtu.be/nfnkT0Iki8s Hesitation and idle problems from a bad TPS (OBD1 Eclipse) https://youtu.be/8RB7BlLnTiw How to test a throttle position sensor (P0121, P0122) GM wiring integrity https://youtu.be/h17kYyFrExE Throttle Position Sensor Test (voltmeter and scope) https://youtu.be/8KfKfImoIXg How to test throttle position sensor wiring with a resistor (any car) https://youtu.be/oZiroWQRgEc Page 7-8 EGR Closed Performance P1404 with new EGR valve installed (GM) https://youtu.be/HT4OnP4U0to Page 8-4 Power Steering Pressure Sensor Testing (applies to all psi sensors) - Toyota (P0550) https://youtu.be/WLLxcfC-zeQ How to troubleshoot an EVAP Pressure Sensor problem P0452 - GM https://youtu.be/CkgrMasd57s Page 8-5 Ford EGR Flow Testing (P0401, P0402, P0405) https://youtu.be/pH_kjRwD-Xw How to test for proper EGR flow (restricted intake passage) - Ford https://youtu.be/znw-gjLE0fk Page 9-2 1996 Jeep No Start Case Study Part I https://youtu.be/a-d6-jrGidA 1996 Jeep No Start Case Study Part II https://youtu.be/jLwNcgtv9z0 1996 Jeep No Start Case Study Part III https://youtu.be/dCZdv-FYwxw Page 12-3 Low fuel pressure causing a P0171 and P0174 trouble code https://youtu.be/nYN-RoFVwAA Dirty MAF Sensor Case Study https://youtu.be/Hmt_LNJ9GkI Low power, lean conditions (cracked air intake tube) GM https://youtu.be/-5L5tp4NDq0 Page 12-4 How to test a MAF sensor using a Picoscope - GM https://youtu.be/h5KAHv47viw How to test a GM MAF Sensor (Part 1) https://youtu.be/p2QLxxstRn8 How to test a GM MAF Sensor (Part 2) https://youtu.be/E8sBg7kMbOw Dirty MAF Sensor Case Study https://youtu.be/Hmt_LNJ9GkI Page 13-3 No Start No injector pulse (shorted injector) part 1 https://youtu.be/KF9viLxwJNc No Start No injector pulse (shorted injector) part 2 https://youtu.be/3gTLY6vsxMg GM 3300 Intermittent no start rough idle (shorted injectors) part 2 https://youtu.be/vmutNjx7QDY Page 15-6 Ford Electronic Returnless Fuel System Diagnosis (Part 1) - Ford https://youtu.be/Rwve6lXriO4 Ford Electronic Returnless Fuel System Diagnosis (Part 2) https://youtu.be/u342IRRJ5bk Page 16-2 Low power, lean conditions (cracked air intake tube) GM https://youtu.be/-5L5tp4NDq0 How to test for a restricted exhaust (catalytic converter) https://youtu.be/9TlygJMxTps Dirty MAF Sensor Case Study https://youtu.be/Hmt_LNJ9GkI Page 16-4 Testing for a leaking, ruptured, fuel pressure regulator diaphragm https://youtu.be/AKtR_yF7bi8 How to identify and repair a leaking fuel pressure regulator (GM CPI system) part 1 https://youtu.be/09_wQ9yQ85A How to identify and repair a leaking fuel pressure regulator (GM CPI system) part 2 https://youtu.be/dAAFM3zlJME Page 16-5 Low Fuel Pressure from a bad fuel pump ground (Ford Ranger) https://youtu.be/rQ7tvIxQSt0 Fuel Pump Relay Problem https://youtu.be/CEjmo_qT4yQ How to test an electric fuel pump - using a test light https://youtu.be/Q3ZiTsKCdO8 GM Fuel Pump Relay Testing https://youtu.be/McnXLcJNVfI Page 18-2 How to test a fuel injector circuit with a noid light https://youtu.be/FAipVwCdwSQ Page 18-4 How to test a fuel injector (open winding) Nissan https://youtu.be/mmRhcVkJdeQ Stuck Open Fuel Injector (how to fix) https://youtu.be/jsl531-6q-A No Start No injector pulse (shorted injector) part 2 https://youtu.be/3gTLY6vsxMg Page 18-5 How to test fuel injectors with a labscope - Chrysler 3.0 https://youtu.be/KArRIqMiGt8 GM 3300 Intermittent no start rough idle (shorted injectors) part 2 https://youtu.be/vmutNjx7QDY No Start No injector pulse (shorted injector) part 1 https://youtu.be/KF9viLxwJNc Page 18-13 2005 Trailblazer 4.2 #6 cylinder misfire diagnosis (spark and fuel test) https://youtu.be/3CTuRW27n_Q How to test for injector flow problems (Dodge, Chrysler) https://youtu.be/SsYMi3yl0T4 How to test a fuel injector for flow problems (GM) https://youtu.be/K7STocr9FBI Page 19-1 No Start No injector pulse (shorted injector) part 1 https://youtu.be/KF9viLxwJNc GM 3300 Intermittent no start rough idle (shorted injectors) part 2 https://youtu.be/vmutNjx7QDY How to test for shorted fuel injectors (1987-1994 GM Cars) https://youtu.be/ssxuR5At6Io Page 19-2 2002 Chevy Cavalier No Start (a direction based approach) https://youtu.be/z5DpsRwHTfo Page 19-3 How to test a fuel injector (open winding) Nissan https://youtu.be/mmRhcVkJdeQ Page 20-4 EGR Closed Performance P1404 with new EGR valve installed (GM) https://youtu.be/HT4OnP4U0to Page 20-6 Ford Idle Air Control (IAC) valve test (how to adjust minimum idle speed) https://youtu.be/ayjhL9jpFH8 Page 20-7 MAP Sensor Code P0106 caused by a dirty throttle body https://youtu.be/4C075DS2Ud4 Page 20-10 How to test an Idle Air Control (IAC) valve - Nissan/Infinity https://youtu.be/Wt_zTJWbDzs Page 20-11 How to test an idle air control valve (IAC) using a Picoscope - Ford https://youtu.be/WoFt3uzQd44 Page 20-13 Causes of low compression, no start from a stuck closed IAC (part 1) - Toyota/Lexus https://youtu.be/sg3J4ibMkWc Causes of low compression, no start from a stuck closed IAC (part 2) - Toyota/Lexus https://youtu.be/9c1YSic7ejs Page 21-8 How to test an ABS Wheel Speed Sensor (VRS type) https://youtu.be/bPdPhGcZOe0 Page 21-9 How to test a GM ignition module (crank sensor bypass test) - VRS https://youtu.be/fra26yyyc-I GM Bypass Ignition System Operation (part 1) https://youtu.be/mxPdxGqRWvc Page 21-10 Misfire caused by a misadjusted crank sensor (rubbing on flywheel) https://youtu.be/ws59zXvr1SM Page 21-11 1997 Dodge Neon no start, crank sensor problems https://youtu.be/xwh3XM1Nl4k How to test a crank sensor with a voltmeter https://youtu.be/yp_kK6U8a64 How to test a cam sensor with a voltmeter https://youtu.be/irHVjFTq4LE How to test a crank sensor on a GM 3800 engine (3x and 18x signals) https://youtu.be/jACyNHl_L1g Page 21-12 How to test a GM 3-wire crank sensor (hall effect type) https://youtu.be/IzZNlPosGSY Camshaft Position Sensor Circuit Quick Test https://youtu.be/0xP4lMCdO6w Page 21-13 How to test a crank sensor on a GM 3800 engine (3x and 18x signals) https://youtu.be/jACyNHl_L1g Page 22-4 Ignition coil-module test with test light https://youtu.be/jJmqdhhduVc How to troubleshoot a no spark condition with a test light (Subaru) https://youtu.be/YBE7c7lfmnY Page 22-5 Ford 5.4 shorted coil primary winding and bad computer driver https://youtu.be/y4r5OcHN5Lg Page 22-7 How to find a shorted coil on a Ford 5.4 engine (misfire diagnosis) https://youtu.be/6kvYjYT1_mM Page 22-10 Honda Civic, misfire, stall, hard start, weak spark (bad igniter) https://youtu.be/eoodIVGgGyw Page 23-1 How to check for a jumped timing chain or belt https://youtu.be/pKic89CIPlM Page 24-3 How to test for EGR flow problems (GM electronic EGR test) - P0401 https://youtu.be/QYtYSgglJoY EGR Closed Performance P1404 with new EGR valve installed (GM) https://youtu.be/HT4OnP4U0to How to test for EGR flow problems (GM electronic EGR test) - P0401 https://youtu.be/QYtYSgglJoY Page 24-5 Ford EGR Flow Testing (P0401, P0402, P0405) https://youtu.be/pH_kjRwD-Xw How to test for proper EGR flow (restricted intake passage) - Ford https://youtu.be/znw-gjLE0fk Ford Ranger EGR Flow Trouble Code P0401 (DPFE fault) https://youtu.be/RUmH4lwTLKs