Fuel injection system for 1.3 liter engines Hyundai Accent 1
Description of the repair procedures for the fuel supply system for 1.3-liter fuel-injected engines of Hyundai Accent cars of the first generation from 1994 to 1999.
Specifications of the fuel supply system Fuel tank capacity 45 l Fuel pump Integrated in fuel tank driven by electric motor Throttle position sensor (TR) Resistor Resistance 0.7-3.0 kOhm Output voltage at idle...
Troubleshooting recommendations Note. The numbers in the table indicate the order of the check. ECM - engine control module.
Checking the fuel injection system The following situations should be considered: 1. The engine starts with difficulty or does not start. 2. Intermittent idle speed. 3. The engine does not develop full...
Malfunction Indicator Lamp (MIL) The on-board diagnostic lamp comes on to alert the driver that there is a problem with the vehicle. However, if the fault condition ceases, the lamp goes out....
Self-diagnosis of the fuel supply system Note 1) If the battery voltage is low, diagnostic trouble codes cannot be read. Check battery voltage and condition before testing. 2) Diagnostic codes are cleared if...
Checking the idle speed Note. Before servicing, check that the spark plugs, injectors, idle speed control mechanism, compression, etc. in normal condition. Verification conditions Engine...
Fuel filter replacement 1. Reduce the internal pressure in the fuel lines through the following operations. Disconnect the electrical cable from the fuel pump after removing the rear seat...
Checking the operation of the fuel pump 1. Turn off the ignition. 2. Connect battery power to the fuel pump connector to make sure the pump is working. Note. Since the fuel pump is located in the fuel tank, it...
Fuel pressure check 1. Reduce the internal pressure in the fuel lines with the following operations. Disconnect the electrical cable from the fuel pump after removing the rear seat cushion....
Location of injection system components 1. MAP sensor 2. Inlet air temperature sensor 3. Engine coolant temperature sensor (ECT sensor) 4. Throttle position sensor (TP sensor) 5. Camshaft position sensor (CMP...
Throttle body — removal and inspection Withdrawal Warning. The throttle body cannot be removed. Remove the throttle position sensor. Note. The position sensor must not be removed except for replacement....
Fuel tank — removal, inspection and installation Withdrawal 1. Remove the rear seat cushion. 2. After reducing the pressure in the fuel line, first start the engine, then disconnect the fuel pump electrical connector....
Engine management — removal, inspection and installation Withdrawal 1. Remove the grommet and the accelerator cable from the side of the accelerator lever. 2. After disconnecting the throttle switch connector, 'loosen' the...