Engine idle surges and dips repeatedly, especially with AC on, despite replacing engine and multiple parts.

No diagnostic tool or app exists that can systematically guide through troubleshooting an intermittent idle surge without expensive or specialized equipment, nor one that integrates vehicle data and repair history.

Severity

4High

Willingness to Pay

implied

Added

Jun 4, 2026

App Concept

IdleFix Pro

IdleFix Pro is a mobile diagnostic assistant that guides car owners and DIY mechanics through step-by-step troubleshooting of idle-related issues. It integrates OBD-II data, repair history, and symptom patterns to pinpoint root causes like sensor faults or electrical gremlins, reducing guesswork and parts swapping.

Key Features

OBD-II live data monitoring and logging for idle speed, throttle position, and sensor readings
AI-driven diagnostic tree based on common vehicle-specific idle issues
Repair history tracking and comparison with current symptoms
Step-by-step guided tests (e.g., vacuum leak check, IAC valve test)

Target Users: DIY car enthusiasts and small auto repair shop owners working on Ford F-150 and other domestic trucks with idle problems.

Revenue Model: $9.99/month subscription or $49.99 one-time purchase per vehicle

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