Third cylinder floods with gasoline under boost due to lack of fuel pressure adjustment and AFR monitoring in a custom turbo kit.

The original turbo kit lacks fuel pressure adjustment and AFR reading, making it impossible to diagnose or tune the fuel delivery accurately.

Severity

4High

Willingness to Pay

implied

Added

May 30, 2026

Workarounds Described

tried changing coils, spark plugs, vacuum hoses, injectors without diagnosis
no AFR reading because kit doesn't come with one
no fuel pressure adjustment possibilities

Implied Software Gaps

Turbo-specific tuning software with wideband AFR integration
Fuel pressure adjustment module for aftermarket turbo kits

App Concept

TurboTune AFR & Fuel Controller

An integrated wideband AFR sensor and adjustable fuel pressure regulator module designed for boosted Yamaha Nytro engines. Provides real-time AFR readings and allows fuel pressure tuning via a smartphone app, eliminating guesswork and preventing cylinder flooding.

Key Features

Real-time AFR display and logging
Adjustable fuel pressure regulator with manual or app control
Plug-and-play harness for Yamaha Nytro
Boost-compensating fuel map support
Alarm for lean/rich conditions

Target Users: Owners and mechanics working on boosted Yamaha Nytro snowmobiles with aftermarket turbo kits, especially small shops and DIY enthusiasts.

Revenue Model: $399 one-time hardware cost plus $9.99/mo for premium app features (cloud logging, map sharing).

Existing Solutions Mentioned

compression testchanged coilschanged spark plugschecked vacuum hoseschanged injectors

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