Fuel injection system of motorcycle Harley V-Rod VRSCA (2002-2006)

Fuel injection specifications
Table 9-1. Spark specifications IGNITION DATA Idle speed 1200±50 rpm Spark plug size 12 mm Spark plug gap 0.035 in. 0.89 mm Spark plug type Harley-Davidson No. 10R12A (no substitute) Ignition coil primary resistance at room temperature 0.3-0.5 ohms...

Electronic fuel injection: EFI
The engine management system consists of the following components: Electronic control module (ECM). Crank position sensor (CKP). Manifold absolute pressure sensor (MAP). Intake air temperature sensor (IAT). Engine coolant temperature sensor (ECT)....

Electronic control module: ECM — removal and installation
General The electronic control module (ECM) is mounted under the left side cover. Refer to the VRSCA Electrical Diagnostic Manual for information on the function and testing of the electronic control module. Note. The electronic control module...

Throttle position sensor: TP — removal and installation
General Refer to the VRSCA Electrical Diagnostic Manual for information on the function and testing of the throttle position sensor (TP sensor). Removal 1. Remove airbox and air filter. See 1.4 Airbox and air filter . Caution! If airbox is not to be...

Intake air temperature sensor: IAT — removal and installation
General Refer to the VRSCA Electrical Diagnostic Manual for information on the function and testing of the intake air temperature sensor (IAT sensor). Removal Warning! To protect against shock and accidental start-up of vehicle, remove the maxi-fuse...

Engine coolant temperature sensor: ECT — removal and installation
General Refer to the VRSCA Electrical Diagnostic Manual for information on the function and testing of the engine coolant temperature (ECT) sensor. Removal Warning! To protect against shock and accidental start-up of vehicle, remove the maxi-fuse...

Idle air control: IAC — removal and installation
General Refer to the VRSCA Electrical Diagnostic Manual for information on the function and testing of the idle air control (IAC). Removal Warning! Before IAC can be removed, throttle body must be removed from vehicle. Heat must be applied to IAC...

Manifold absolute pressure sensor: MAP — removal and installation
General Refer to the VRSCA Electrical Diagnostic Manual for information on the function and testing of the manifold absolute pressure sensor (MAP). Removal 1. Remove airbox and air filter. See 1.4 Airbox and air filter . Caution! If airbox is not to...

Fuel rail and fuel injectors — removal, installation, disassembly and assembly
General Warning! Gasoline is extremely flammable and highly explosive. Always stop the engine when refueling or servicing the fuel system. Do not smoke or allow open flame or sparks near the work site. Inadequate safety precautions could result in...

Fuel pressure test
General The fuel pump is located in the fuel tank. It delivers fuel to the fuel metering assembly. The fuel metering assembly contains the fuel injectors and the pressure regulator, where the system pressure is controlled. Excess fuel pressure is...

Intake leak test
General Danger! Propane is an extremely flammable liquid and vapor. Vapor may cause flash fire. Keep away from heat, sparks and flame. Keep container closed. Use only with adequate ventilation. Warning! Read all directions and warnings on propane...