CourseBeginner
Change a Wheel & Roadside BasicsSwap a flat wheel safely on your own, anywhere.
4.92318 reviews·5 modules · 1h video
$15
E-Book · Diagnostics
OBD-II Diagnostics Without Guessing
Read live data like a dealership tech
What you'll be able to do: Turn a check engine light into a confirmed fault.
4.81163 reviews184 pagesBeginner
Stop throwing parts at a check engine light. Learn fuel trims, freeze frame, mode 6 and the decision trees that turn a code into a confirmed fault.
What's inside
- What a P-code actually tells you
- Short and long term fuel trim reading
- Freeze frame and mode 6 data
- Misfire counters and cylinder isolation
- Sensor vs wiring vs mechanical faults
Also in the shop
E-BookBeginner
Oil & Filter Change at HomeDo a full oil service yourself in under an hour.
4.81740 reviews·96 pages
$19
E-BookBeginner
Batteries, Jump Starts & ChargingDiagnose, jump and replace a car battery with confidence.
4.7986 reviews·88 pages
$17