Diagnosing intermittent stabilitrak and reduced engine power issues on a 2015 Chevy Impala, with code PO191, after replacing fuel pump, wiring harness, and high fuel rail pressure sensor, but problem persists.

Standard diagnostic procedures (scan tools, component replacement) are not isolating the root cause, requiring guesswork and parts swapping.

Severity

4High

Willingness to Pay

implied

Added

May 5, 2026

Implied Software Gaps

Software that logs real-time sensor data during intermittent events and suggests likely root causes based on patterns

App Concept

DiagFlow Pro

An AI-powered diagnostic assistant that guides technicians through step-by-step troubleshooting for intermittent vehicle issues. It integrates with OBD-II data and vehicle-specific service bulletins to rank likely root causes, reducing guesswork and parts replacement.

Key Features

Interactive step-by-step diagnostic flowcharts for specific trouble codes
Data logging and pattern recognition for intermittent issues
Integration with OEM service bulletins and known fixes
Component test recommendations with probability scoring

Target Users: Auto technicians and mechanics in independent repair shops and dealerships, working on vehicles with intermittent electronic issues.

Revenue Model: $49/mo per user subscription with a free tier limited to basic error code lookup

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