How to check for fuel leak in Kia Optima?

How to check for fuel leak in Kia Optima?

Inspect fuel leakage on connections among the fuel feed tube, the high pressure fuel pump, and the SST components with IG ON. 4. Measure Fuel Pressure. Start the engine and measure the fuel pressure at idle. If the fuel pressure differs from the standard value, repair or replace the related part (Refer to the table below).

What kind of fuel does a Kia Optima use?

Kia Optima: Fuel requirements. Your new Kia vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher.

How to check fuel pressure in Kia Sorento?

Start the engine and measure the fuel pressure at idle. If the fuel pressure differs from the standard value, repair or replace the related part (Refer to the table below). Stop the engine, and then check for the change in the fuel pressure gauge reading.

Can a Kia Seltos be used with unleaded fuel?

Your new vehicle is designed to obtain maximum performance with UNLEADED FUEL, as well as minimize exhaust emissions and spark plug fouling. Never add any fuel system cleaning agents to the fuel tank other than what has been specified.

Inspect fuel leakage on connections among the fuel feed tube, the high pressure fuel pump, and the SST components with IG ON. 4. Measure Fuel Pressure. Start the engine and measure the fuel pressure at idle. If the fuel pressure differs from the standard value, repair or replace the related part (Refer to the table below).

How can I relieve fuel pressure on my car?

If the fuel pump is accessed from underneath, be sure the vehicle is secured on the jack stands before crawling underneath and locating the fuel pump assembly. Unplug the fuel pump electrical connector on the sending unit/pump assembly. Start the engine and let it idle until it stalls. Then turn off the ignition switch.

What to do when fuel pressure test fails?

When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of “Release Residual Pressure in Fuel Line” work. 2. Install the Special Service Tool (SST).

Start the engine and measure the fuel pressure at idle. If the fuel pressure differs from the standard value, repair or replace the related part (Refer to the table below). Stop the engine, and then check for the change in the fuel pressure gauge reading.

If the fuel pump is accessed from underneath, be sure the vehicle is secured on the jack stands before crawling underneath and locating the fuel pump assembly. Unplug the fuel pump electrical connector on the sending unit/pump assembly. Start the engine and let it idle until it stalls. Then turn off the ignition switch.

What to do if you don’t have gas in your Kia Spectra?

Disconnect the electrical connection. Start the Kia Spectra and let the engine run until it stalls from lack of gasoline. Turn off the ignition, reconnect the pump’s electrical connection and disconnect the negative battery cable. Disconnect the fuel pressure sensor vacuum hose. Check for fuel in the line.

What happens to your car when your fuel pressure is low?

Low fuel pressure will also make it hard for you to ignite your car’s engine. You might feel it takes longer to start your car or maybe takes more than one try for a successful ignition. Other than that, you might feel some backfire from your engine. 3. Stalling Engine

What to do if your fuel pump is not working?

In order to relieve the pressure in your fuel system, you will need to run the vehicle without the fuel pump functioning for a short time. In order to prevent the fuel pump from turning on with the engine, you will need to locate the fuse box that contains the fuel pump fuse.