Unable to determine whether a faulty throttle body or PCM is causing intermittent engine stalling in a 2010 Ford Escape, leading to costly guesswork in part replacement.

No accessible, affordable diagnostic tools that can definitively pinpoint the root cause between throttle body and PCM failure without swapping parts.

Severity

4High

Willingness to Pay

implied

Added

May 4, 2026

Workarounds Described

disconnecting battery for a few seconds to reset engine cycle
cleaning throttle body to no effect

Implied Software Gaps

Automated diagnostic tool that interprets trouble codes and live data to recommend specific tests, avoiding part swapping.

App Concept

PartDetect Pro

A mobile diagnostic app that guides DIY mechanics through step-by-step tests with live OBD-II data and manufacturer-specific procedures to differentiate between throttle body and PCM faults. Uses AI to analyze trouble codes and freeze-frame data, providing a definitive diagnosis with a confidence score, eliminating part swapping guesswork.

Key Features

Guided diagnostic workflows for common PCM and throttle body issues
Live OBD-II data graphing and freeze-frame analysis
AI-powered fault tree based on vehicle make/model/year
Confidence score for each likely failed component
Integrated part lookup and ordering

Target Users: DIY car owners and independent auto repair shops working on 2000-2020 Ford, GM, and Chrysler vehicles with intermittent drivability issues.

Revenue Model: Freemium with $9.99 per single diagnostic report or $19.99/month unlimited use subscription.

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