Elektronica kits STAG 300-4 QMAX PLUS LPG ECU for 4-cylinder MPI

Details

STAG 300-4 QMAX PLUS Electronic LPG Controller for 4-Cylinder Engines with Multipoint Injection – OBD and Bluetooth Ready

Next-generation LPG ECU for efficient autogas performance
The STAG 300-4 QMAX PLUS is a high-tech LPG ECU from the Q-Generation series, designed for 4-cylinder engines with multipoint injection. Built by STAG’s most experienced engineers, this controller ensures seamless fuel transition and optimal engine adaptation under all driving conditions.

Key features

• Suitable for 4-cylinder multipoint injection engines

• OBD auto-adaptation based on real-time engine data

• Bluetooth connectivity for wireless access via mobile apps

• ISA3 proprietary self-adaptation system

• CAN and K-LINE support with full OBD2/EOBD compliance

• Optional automatic DTC deletion

• Fuel overlap feature for smooth petrol-LPG transitions

• Fuel level and pressure emulators included (FLE-FC, FL-JC, FPE-A)

• 90-pin straight connector for easier wiring

• Full support for both engine banks

Benefits of Q-Generation ECUs

• No external OBD tools needed

• Smartphone-based diagnostics and monitoring

• Quick configuration and parameter recording

• Stable and reliable in cold starts and variable driving environments

R115

For this LPG kit, R115 certification is available for Mercedes, Volkswagen, Audi and Porsche (only for engines with 4-cylinder multipoint injection). You can find the complete list of approved vehicles via this link:

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