Check injectors

1. Run the engine at idle.
2. Check with a stethoscope work of each individual valve. Clicks indicate opening and closing the valves of injectors.
3. If the stethoscope is not available, you can the same operation to hold with your finger or a screwdriver.
4. If you encounter any unusual sounds or noises did not show up, check the voltage, resistance and tightness of injectors.

1. Check the voltage. For this disunite sockets of injectors and connect between the two wire contacts diode test lamp. Turn the starter (assistant). The LED should blink.
2. If the LED is blinking, the problem may be in the wire or in the control unit.
3. Turn the ignition off.
4. Attach each injector ohmmeter between terminals and measure the resistance. If any injector resistance differs, replace it.