How to fix a loose fuel pump relay?
* Remove the FP relay. * Remove the blue terminal locking clip on the side of the sub block. * Using a Terminal release tool, Release the female FP relay terminal pins from the sub block. (Release/repair & re-install one at a time to prevent mis-locating pins)
Where is the fuel pump fuse box located?
The engine’s or the dashboard fuse box is usually a long black box containing a fuel pump relay and various other fuses and relays. For different vehicles, the fuel pump relays can be located in different places.
How many pins does a fuel pump relay have?
The fuel pump relay does often have 4 pins, and in this case, it is often easy. If your relay has more pins and not the same numbers mentioned here, you need to check a wiring diagram. Lift it and check under it for the numbers 30, 85, 86, and 87. If you locate these numbers, you can put the fuel pump relay back.
Why does the fuel pump relay need to be Tip Top?
The fuel pump relay needs to function in tip-top condition if the engine is expected to run without any issues. Therefore, any compromise in the fuel pump relay can directly cause engine problems, such as the stalling of the engine.
Where do you find the fuel pump relay?
When you shut off the ignition, it powers down the fuel pump. In most vehicles, the fuel pump relay can often be found in the fuse box in the engine bay, which is usually a long black box which contains fuel pump relay along with various other fuses and relays.
Why does the fuel pump relay need to be cleaned?
Cleaning the fuel pump relay is a simple maintenance job you should learn, as the relay can get dirty easily in many circumstances. If it’s located inside the engine bay, which can get hot from the engine’s heat, the heat can impede the relay’s performance.
What happens if a fuel pump connection is loose?
Make sure the connection is tight and secure. A loose connection will generate heat at the site of the connection and not supply proper voltage to the pump, which likely will burn the wire and damage the pump, causing your engine to run poorly, if at all.
How do you hook up a fuel pump?
After making sure that the battery is disconnected and the fuse is removed from the fuse box, connect the wires to the appropriate places. The positive wire coming from the fuel pump can now be connected to the positive wire coming from your vehicle’s wiring harness. Make sure the connection is tight and secure.