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.
Technical characteristics of the fuel supply system
Fuel tank capacity 45 l Fuel pump Built into the fuel tank, driven by an electric motor Throttle Position Sensor (TP) Resistor Resistance 0.7-3.0 kOhm Output voltage at...
Fuel tank capacity 45 l Fuel pump Built into the fuel tank, driven by an electric motor Throttle Position Sensor (TP) Resistor Resistance 0.7-3.0 kOhm Output voltage at...
Troubleshooting Recommendations
Note: The numbers in the table indicate the order of testing. ECM — Engine Control Unit.
Note: The numbers in the table indicate the order of testing. ECM — Engine Control Unit.
Checking the fuel injection system
The following situations should be considered: 1. The engine starts with difficulty or does not start. 2. Inconsistent idle speed. 3. The engine does not develop full...
The following situations should be considered: 1. The engine starts with difficulty or does not start. 2. Inconsistent idle speed. 3. The engine does not develop full...
Malfunction Indicator Lamp (MIL)
The on-board diagnostic lamp lights up to warn the driver that there is a fault in the vehicle. However, if the fault condition ceases, the lamp goes out. Immediately...
The on-board diagnostic lamp lights up to warn the driver that there is a fault in the vehicle. However, if the fault condition ceases, the lamp goes out. Immediately...
Self-diagnosis of the fuel supply system
Note 1) If the battery voltage is low, the diagnostic trouble codes cannot be read. Check the battery voltage and condition before testing. 2) The diagnostic trouble...
Note 1) If the battery voltage is low, the diagnostic trouble codes cannot be read. Check the battery voltage and condition before testing. 2) The diagnostic trouble...
Checking the idle speed
Note: Before servicing, make sure that the spark plugs, injectors, idle speed control mechanism, compression, etc. are in normal condition. Verification conditions...
Note: Before servicing, make sure that the spark plugs, injectors, idle speed control mechanism, compression, etc. are in normal condition. Verification conditions...
Replacing the fuel filter
1. Reduce the internal pressure in the fuel lines by performing the following operations. Disconnect the electrical cable from the fuel pump after removing the rear seat...
1. Reduce the internal pressure in the fuel lines by performing 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 ensure the pump is working. Note: Since the fuel pump is located in the fuel tank, it is...
1. Turn off the ignition. 2. Connect battery power to the fuel pump connector to ensure the pump is working. Note: Since the fuel pump is located in the fuel tank, it is...
Checking fuel pressure
1. Reduce the internal pressure in the fuel lines by performing the following operations. Disconnect the electrical cable from the fuel pump after removing the rear seat...
1. Reduce the internal pressure in the fuel lines by performing the following operations. Disconnect the electrical cable from the fuel pump after removing the rear seat...
Location of injection system components
1. MAP sensor 2. Incoming air temperature sensor 3. Engine coolant temperature sensor (ECT sensor) 4. Throttle position sensor (TP sensor) 5. Camshaft position sensor...
1. MAP sensor 2. Incoming air temperature sensor 3. Engine coolant temperature sensor (ECT sensor) 4. Throttle position sensor (TP sensor) 5. Camshaft position sensor...
Injectors and injection unit — removal, inspection and installation
Removal 1. Release excess pressure from the fuel line to prevent fuel spillage. Warning: Cover the ends of the hoses with rags to prevent fuel spillage. 2. Remove the...
Removal 1. Release excess pressure from the fuel line to prevent fuel spillage. Warning: Cover the ends of the hoses with rags to prevent fuel spillage. 2. Remove the...
Throttle body — removal and inspection
Removal Warning: The throttle body must not be removed. Remove the throttle position sensor. Note: The position sensor should not be removed except for replacement....
Removal Warning: The throttle body must not be removed. Remove the throttle position sensor. Note: The position sensor should not be removed except for replacement....
Fuel tank — removal, inspection and installation
Removal 1. Remove the rear seat cushion. 2. After the fuel line pressure has been reduced, first start the engine, then disconnect the fuel pump electrical connector....
Removal 1. Remove the rear seat cushion. 2. After the fuel line pressure has been reduced, first start the engine, then disconnect the fuel pump electrical connector....
Engine control — removal, inspection and installation
Removal 1. Remove the bushing and accelerator cable from the accelerator lever side. 2. After disconnecting the accelerator switch connector, 'loosen' the accelerator...
Removal 1. Remove the bushing and accelerator cable from the accelerator lever side. 2. After disconnecting the accelerator switch connector, 'loosen' the accelerator...
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