We made best expierences with the ELM-327 chipset.
Following readings are supported (depends on supported readings by your vehicle):
- Speed
- RPM
- MAF
- Equivalence Ratio
- Engine Coolant Temperature
- Fuel Consumptation
- Fuel Economy
- Fuel Level
- Fuel Pressure
- Fuel Type
- Air Intake Temperature
- Air Ambient Temperature
- Barometer Pressure
- Engine Load
- Engine Runtime
- Throttle Position
- Intake Manifold
