Car owner cannot diagnose the cause of erratic RPM fluctuations (high RPM when shifting, unstable idle) and seeks a reliable diagnostic solution.

DIY cleaning is a workaround but doesn't provide a clear diagnosis; existing diagnostic tools are either too expensive or require expert knowledge.

Severity

3Medium

Willingness to Pay

implied

Added

Apr 27, 2026

Workarounds Described

cleaned intake, MAF sensor, and throttle body manually to try to fix the RPM issue

Implied Software Gaps

Mobile diagnostic app with OBD-II integration that interprets sensor data and suggests likely causes

App Concept

CarFix Diagnostics

CarFix Diagnostics is a mobile app that guides car owners through a step-by-step diagnostic process for common issues like erratic RPM. It integrates with OBD-II scanners to provide real-time data and suggests likely causes based on symptoms, eliminating guesswork.

Key Features

Guided diagnostic workflow for common symptoms
OBD-II scanner integration for live data
Community-verified fix suggestions
Video tutorials for repairs

Target Users: DIY car owners and weekend mechanics, particularly those with older sports cars (e.g., Corvette C6) who want to diagnose and fix issues without costly mechanic visits.

Revenue Model: Freemium with $4.99/month pro tier (advanced diagnostics, unlimited logs) or $9.99 one-time fee for a diagnostic guide per vehicle.

Existing Solutions Mentioned

manual cleaning of intake, MAF sensor, and throttle body

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