Excessive pressure in the cooling system causing hoses to burst and coolant loss, unresolved after cylinder head gasket replacement.

No specific diagnostic tool or method mentioned to pinpoint cause of overpressure; mechanic reused old parts instead of replacing them as standard practice.

Severity

4High

Willingness to Pay

implied

Added

May 7, 2026

Workarounds Described

reuses old water pump and thermostat after head gasket repair
took cylinder head to a machinist for inspection

Implied Software Gaps

Diagnostic tool that would flag reuse of high-failure parts and recommend replacement
Guidance system for systematic cooling system troubleshooting after head gasket job

App Concept

CoolSys Diag Pro

A diagnostic software and sensor kit for automotive cooling systems that measures pressure, temperature, and flow in real-time, identifies root causes of overpressure (e.g., head gasket leak, blocked radiator, faulty water pump). It provides step-by-step repair guidance and a checklist of parts to replace for common failure patterns, preventing reuse of suspect components.

Key Features

Real-time pressure and temperature logging with Bluetooth sensors
Diagnostic algorithm for overpressure root cause (combustion leak, thermostat failure, etc.)
Parts replacement recommendation engine based on fault pattern
Integration with vehicle OBD-II and cooling system service history

Target Users: Independent auto repair shops and DIY car enthusiasts working on European vehicles

Revenue Model: $29/mo per user SaaS subscription with a $49 hardware sensor kit purchase

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