Car has persistent idle surge (P0505) and drivability issues after repairs, with no effective diagnostic solution.

No comprehensive diagnostic tool that integrates historical repair data, fault codes, and vehicle-specific troubleshooting guidance for intermittent idle issues across multiple component replacements.

Severity

4High

Willingness to Pay

implied

Added

May 26, 2026

App Concept

AutoDiag Pro

A diagnostic assistant app that combines OBD-II data with a knowledge base of common repair patterns. It guides DIY mechanics through step-by-step troubleshooting based on vehicle history, fault codes, and symptoms, reducing guesswork and repeat repairs.

Key Features

OBD-II code reader integration with live data graphing
Vehicle-specific troubleshooting trees based on common fixes
Repair history tracker to log replaced parts and symptoms
Community-verified solution database with success rates

Target Users: DIY car owners and weekend mechanics who work on 1996+ vehicles

Revenue Model: Freemium with $9.99/mo subscription for advanced diagnostics and unlimited history

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