How do you check the fuel pressure on a 2002 Hyundai Santa Fe?
Stop the engine and check for a change in the fuel pressure gauge reading….5.
- Disconnect the negative (-) terminal from the battery.
- Connect the fuel pump connector.
- Connect the battery negative (-) terminal.
- Start the engine and measure the fuel pressure at idle. Standard Value: 343 Kpa (3.5 kgf/cm cm, 49.8 psi)
Is the fuel pump on my Hyundai Elantra bad?
The symptoms of a bad fuel pump match a lot of other common problems that can occur in the Hyundai Elantra. Testing the filter and pressure on each side of it are going to be the quickest ways to rule it out.
What are the symptoms of a bad fuel pump?
Also, the symptoms are almost exactly the same as bad/clogged fuel filter. Here are the most common symptoms of a bad fuel pump in your Hyundai Elantra: One of the most common signs that a fuel pump is going bad is a whining sound. The whining sound can indicate that the fuel pump is going out before there are any performance based issues.
What to do if you have a fuel line problem?
Turn the ignition switch OFF. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line”). 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.
How do you check the fuel pressure in a car?
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). Stop the engine, and then check for the change in the fuel pressure gauge reading.
How to check fuel pressure in Hyundai Elantra?
Inspect fuel leakage on connections among the fuel feed tube, the delivery pipe, 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).
Why is my Hyundai Elantra not starting properly?
Difficult to start – When some of the cylinders aren’t getting the right amount of fuel, it can be very difficult for the engine to turn over. It my not even start at all. Idle Issues – With a fuel injector that is not properly atomizing fuel properly, your Elantra is going to have a difficult time idling.
Also, the symptoms are almost exactly the same as bad/clogged fuel filter. Here are the most common symptoms of a bad fuel pump in your Hyundai Elantra: One of the most common signs that a fuel pump is going bad is a whining sound. The whining sound can indicate that the fuel pump is going out before there are any performance based issues.
Why does my Elantra have less fuel mileage?
Less Fuel Mileage – Your Elantra’s engine management computer is constantly adjusting the air/fuel ratio and timing to get optimal combustion. When the fuel injectors aren’t working properly it can’t do that and fuel mileage suffers. Knock/Detonation – Detonation can cause your Elantra’s engine to blow.