Sharpenly
Lessons

Bilingual lessons built for the shop floor.

A growing library of short, interactive lessons across the ASE areas and the customer-facing skills nobody teaches in school. English and Spanish, side by side.

21
Study categories
168
Lessons
A1 to A9
Plus L-series, C1, G1
EN + ES
Side by side, every lesson
A taste of the library
Engine A1

Reading compression like a story

What a cranking compression test is really telling you, and how to tell rings from valves without guessing.

Brakes A5

Why the pedal feels wrong

Spongy, hard, or sinking: match the pedal feel to the likely cause before you pull a wheel.

Electrical A6

Voltage drop, made simple

The one test that finds bad grounds and tired connections fast, with a real circuit walkthrough.

Performance A8

Fuel trims without the headache

What short and long term fuel trims mean together, and how to read a lean bank on the scanner.

HVAC A7

Reading the manifold gauges

High side, low side, and what the needles say about a TXV, a clog, or a low charge.

Diagnostics L1

A scan-tool game plan

A repeatable order of operations so a hard drivability complaint stops feeling random.

Service advisor

The estimate conversation

How to explain a repair and a price so the customer says yes without the hard sell.

Tires

Wear patterns talk

Read tread wear to spot alignment, inflation, and suspension problems at a glance.

Lessons you tap through, not read at

Flashcards

Quick concept cards you flip to check yourself. Built for a phone, between cars.

Hotspots

Tap parts of a real image to learn what they are and what they do.

Sequences

Put the steps of a procedure in the right order until it is muscle memory.

Scenarios

Work a realistic shop case from symptom to fix, deciding as you go.

Start with today's five.

The first quiz is free, no signup. Study a little every day and watch it add up.

Start studying freeFor shops