Analysis the Fuel Pressure in a Jeep Freedom
Testing the fuel-pump compel output of your Jeep Freedom for credible problems can be tricky. Abrogating results from one or and tests may not necessarily exhibit a pathetic pump. On the contrary, a rapid inspection Testament guidance you isolate a likely occupation adore fuel leaks on the lines and near the pump, dangerous path connections or an obstructed pump strainer inside the fuel vehicle.
If your reading is different from the one specified by your vehicle manufacturer, go on to the next step.9. Turn the ignition key "Off" and repeat steps 3 through 8.
2. Connect a fuel impulse gauge to the fuel-rail check Harbour near the fuel injectors. This Harbour resembles the air valve on your Jeep tires. Wrap a shop towel enclosing the inspection Harbour as you connect the gauge to absorb any fuel spill.
3. Turn the ignition answer to the "On" position.
4. Position the gauge bleed hose inside a suitable glass container and then agape the gauge valve to remove any air in the borderline and concession the valve extensive.
5. Plug a study thing to the vehicle machine info link connector located under the dashboard on the Chauffeur side.
6. Pursue the directions on your search stuff instruction and activate the fuel pump. Then close the fuel-gauge bleed valve.
7. Make sure there are no fuel leaks around the gauge connections and read the fuel pressure on the gauge dial.
8. Compare the pressure reading to the one listed on the vehicle service manual for your particular Liberty model.
Instructions
1. Detach the injector insert from the top of the engine using a ratchet and socket.However, this time block the fuel return hose using a pair of hose pinch pliers. This will isolate the fuel pressure regulator from your test.
10. Compare your pressure reading to the one specified by your vehicle manufacturer. If your reading is correct, your fuel pressure regulator might be defective. If you are still getting a different reading, go on to the next step.
11. Connect the fuel pressure gauge directly to the fuel-pump output hose. This will help you isolate other possible trouble spots, like fuel lines, fuel filter and regulator.
12. Compare your reading to the manufacturer number. If you get the correct reading this time, troubleshoot the fuel lines, fuel filter and regulator to isolate the problem. However, if your reading is still different, closely examine the fuel pump and troubleshoot it, if necessary.
