я так понимаю, что имелось ввиду or an external sensor.
надо читать мануал снайпера, может там есть опция подключения внешнего?
ну и я бы проверил подачу вакуума в мап, может там проблема?
То-то и оно, датчик встроен в кирпич, залитый эпоксидкой в троттл-бади. Там точно юзер не расковыряет) Sniper BBD. Внешние датчики - TPS, WBO2, CTS, IAC.
Replacing a Map sensor on a Holley Sniper EFI system generally requires selecting the correct sensor type (e.g., 1-bar, 2.5-bar) in the handheld wizard, as the internal MAP sensor is not typically user-removable. After a sensor change or firmware update, you must re-run the configuration wizard, update the base fuel table, and allow the system to perform new self-learning.
Key Procedures for MAP Sensor/Map Changes:
Sensor Selection: The Sniper EFI internal MAP sensor is built-in and not designed for individual replacement. If upgrading for boost (e.g., to a 2.5-bar), select this option in the handheld tuner.
Re-running the Wizard: If the sensor changes, you must re-run the initial setup wizard to ensure the ECU understands the new voltage-to-pressure scaling.
Base Map Update: After changing MAP, it is recommended to re-run the "Wizard" to create a new base map that matches your engine, or manually verify that the fuel graph is smooth and appropriate for the new sensor.
Self-Learning: New self-learning (closed-loop) will be required to account for the changes in fuel/load reporting.
External Sensors: If using a 2.5-bar (PN 870021) or an external sensor for higher boost, ensure it is properly calibrated in the software.
For detailed tuning and map changes, using the Holley EFI software is recommended to scale the fuel and timing tables appropriately.