Fuel Tank Pressure Correction

EVAP Fuel Tank Pressure Correction

This table is active when a Fuel Tank Pressure Sensor is being used to give feedback on the pressure in the vapour line. Default this map has zero for all values. Up to 2D mapping is available.

• Related Articles

• Fuel Tank Pressure Sensor

  A Fuel Tank Pressure Sensor is used to determine the pressure in the fuel tank of a vehicle. The fuel tank pressure sensor is used to detect leaks as part of the EVAP, or Evaporative Emissions, system. On this node, the Fuel Tank Pressure sensor ...

• Why you need a Fuel Pressure Regulator

  A modern port fuel-injected engine has an electric fuel pump that feeds fuel from the fuel tank, up to the front of the car and through the fuel rails (which house the fuel injectors), through the fuel pressure regulator, then back the fuel tank. A ...

• Dual Fuel Tank Transfer

  The Dual Fuel Tank Transfer function enables the transfer of fuel from a secondary fuel tank into a primary fuel tank for dual tank equipped vehicles. Outputs available include the transfer pump, control solenoid and transfer light. Inputs available ...

• MAP Correction

  This table controls additional fuel against Manifold Pressure.  When the Tuning Method is Volumetric Efficiency, the ECU is already compensating for Manifold Pressure and therefore this table is treated as an additional correction. Before tuning ...

• Fuel Tank Pressure Sensor

  A Fuel Tank Pressure Sensor is used to determine the pressure in the fuel tank of a vehicle. This sensor also monitors the vapors in the engine. The information gathered is sent to the Haltech ECU and if there is an issue, then the check engine light ...