Automotive RepairDiagnostics & Troubleshooting4HighOwner$ implied
Coolant system builds pressure and leaks through the reservoir relief valve only at highway speeds, despite normal coolant temperature, and the root cause is unknown.
Existing scan tools show no relevant coolant codes and temperature data appears normal, but the pressure issue remains unexplained; no accessible diagnostic procedure exists for this specific symptom pattern.
44
0
Opp. Score
44
Severity
4High
Willingness to Pay
implied
Added
May 18, 2026
App Concept
CoolantLeak Detective
A mobile diagnostic app that uses OBD-II data plus optional pressure sensor to pinpoint intermittent coolant pressure issues. It logs speed, temperature, RPM, and pressure in real time, then runs a pattern recognition algorithm to identify the most likely cause (e.g., head gasket failure, blocked return line, faulty cap).
Key Features
- Real-time data logging of speed, coolant temp, RPM, and custom pressure sensor
- Pattern recognition to flag pressure events linked to driving conditions
- Step-by-step guided diagnostic tests (e.g., cooling system pressure test, combustion leak test)
- Cloud sync for sharing logs with mechanics
Target Users: DIY car owners and independent mechanics diagnosing intermittent cooling system issues on modern diesel vehicles
Revenue Model: $9.99 one-time app purchase; optional $4.99/month for cloud storage and advanced analytics
Existing Solutions Mentioned
scan toolfuel filter changeMAF sensor cleaning
Part of App Idea
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