Where is the fuel pump connector on a jeep?
Unplug the fuel pump connector at the back of the fuel tank. It will be easy to find and has four wires in the connector. Use a circuit tester and test the harness side for power as your helper turns the key on and off.
What to do if your Jeep Cherokee stops running?
If the Jeep Cherokee has stopped running or will not start and you feel that the fuel pump has failed, then this is the proper way of diagnosing the problem before replacing an item that may not be needed. Starting from the basics, take off the fuel cap and listen closely for the fuel pump to come on as a helper turns on the ignition key.
What should I do if there is no power on my fuel pump?
Remember that there will be power for only 2 seconds, so have your helper cycle the key on and off as you check the terminals, allowing 5 seconds between cycling for the computer to reset. If there is power, the fuel pump took a dump and needs to be replaced. If there is no power, there is an open in the harness to the pump from the fuse block.
Why do I need a new fuel pump for my Jeep Cherokee?
A broken fuel pump affects those dynamics by causing the engine to surge, sputter or not start at all. You need a fuel pump replacement for Jeep Cherokee from AutoZone to get your Jeep back to driving up to standard. Your Jeep Cherokee fuel pump uses pressure to feed gas through a line from the fuel tank to the engine.
Which is wire is which on a fuel pump?
Pump is brand new. This is actually the 3rd one I’ve put into the Jeep in the last 2 months. I actually had a whole thread about how I got to this point: I’m pretty sure it’s a ground as that’s all that is left that it could be. Any idea which of those wires is the ground so I can eliminate that first off?
What to do if your fuel pump goes out?
1.check the clips by the tank and see if its getting power to it. more or less just run from the back of your tank all the way to the front of your fuse panel before cutting wires. i just finished up mine. and it could be something really just as simple as the pump went out. Pump is brand new.
What happens if you reset your fuel gauge?
Electronic and software malfunctions may cause the fuel gauge in your automobile to inaccurately measure or display the amount of fuel remaining in the gas tank. If this happens, reset your fuel gauge. Each make and model of car has its own specific instructions on how to reset the fuel gauge, but the process is basically the same. Step 1
What happens if your fuel pump is failing?
The fuel pump feeds fuel to the engine at a reliable rate; without this pump, your fuel would just sit in your tank, useless and inert. If you’re attentive, you can catch the symptoms of a failing fuel pump and have it repaired or replaced before it leaves you stranded on the side of the road.
What happens to spark plugs when fuel pressure is low?
A low-pressure fuel system will destroy the spark plugs that ignite the fuel in an engine’s cylinder. If by chance you are replacing them and you find they are worn out before their time, you might be looking at a problem with your fuel system. Fortunately, the fuel system in a car requires only needs minor tweaks.
What are the symptoms of a bad fuel pressure regulator?
The symptoms are very noticeable, too. You may notice a very rough idle, rough acceleration, slow acceleration, and vibrations from the engine. There are also many causes of engine misfires. It can be a problem in the spark plug or the ignition coil.
Can you swap fuel injectors in a Jeep ZJ?
With this in mind, I have found 703/784 injectors to work best with the Jeep 4.0. This swap can also be done to any ZJ or WJ that has the 4.0L. Once you have 6 injectors, clean them up (a simple Google search will give more detail) and make sure to have new o-rings and micron filters.