Car idle problem persists after fixing idle air control, and user is unsure if idle screw has been tampered with, seeking advice before adjusting it.

No software tool provides verified idle screw position history or guided diagnostics for DIY car owners.

Severity

3Medium

Willingness to Pay

none

Added

May 12, 2026

Workarounds Described

posts photo of idle screw to subreddit for human confirmation
uses trial and error bleeding cooling system to fix surging

Implied Software Gaps

Software that archives idle screw position images and provides automated adjustment detection
Guided diagnostic wizard that cross-references symptoms with possible fixes

App Concept

IdleFix Assistant

Mobile app that records idle screw position via photo analysis and guides DIY mechanics through throttle body and IAC diagnostics with step-by-step troubleshooting.

Key Features

Photo-based idle screw position recording with historical comparison
Step-by-step diagnostic flow for idle issues (IAC, coolant bleed, throttle body cleaning)
Integration with OBD2 scanner for live idle RPM and sensor data
Community knowledge base for car-specific idle screw specs

Target Users: DIY car owners and hobbyist mechanics working on older or project vehicles

Revenue Model: Freemium with $4.99/month premium tier for unlimited diagnostics and stored history

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