New automotive A/C technician struggles to diagnose whether a failing compressor or expansion valve is causing poor cooling on a Cat loader, lacking clear diagnostic guidance.

Existing diagnostic guides and forums are not tailored to specific equipment (cat loader) or provide step-by-step decision trees for similar pressure readings.

Severity

3Medium

Willingness to Pay

implied

Added

May 25, 2026

App Concept

AC-Diag Pro

A mobile app that guides technicians through A/C diagnostics with step-by-step flowcharts based on pressure readings and equipment type. Uses a knowledge base and rule engine to suggest probable causes (compressor vs. expansion valve) and next tests. Saves time and reduces misdiagnosis.

Key Features

Enter vehicle/model and ambient temperature
Input high/low side pressures
Receive differential diagnosis with probabilities
Step-by-step guided troubleshooting workflow

Target Users: Junior automotive and heavy equipment A/C technicians in repair shops and mobile service.

Revenue Model: $9.99/month subscription or $49.99/year, with a free tier for 5 diagnoses per month.

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