When does a main relay need to be replaced?
If tapping the main relay does have the car startup, the main relay is going bad which needs to be repaired or replaced. Replacing the relay isn’t much difficult but repairing it will require electrical expertise. If you are unable to get your get running after checking all the basic things to check,…
Where is the main relay on a car?
It can be difficult for a common car owner to diagnose such issues but there are still a few basic things owners and drivers can check to rule out common problems. The main relay is usually located underneath the dashboard, inside the fuse-box of the car but it also depends on the make and model of the car: 1. The engine does start
How can I tell if my main relay is bad?
If you can start your vehicle, you’ll notice a check engine light on the dashboard if you have a bad main relay. To verify that the engine light is for the main relay, you’ll need to connect an OBD II scan tool and read what the code is for, though.
How to check the Honda main relay in your car?
Attach the battery positive terminal to the No. 4 terminal and the battery negative terminal to the No. 8 terminal of the main relay. Then check for continuity, using a circuit tester or multimeter, between the No. 5 terminal and No. 7 terminal of the main relay. If there is continuity, go on to Step 3.
If tapping the main relay does have the car startup, the main relay is going bad which needs to be repaired or replaced. Replacing the relay isn’t much difficult but repairing it will require electrical expertise. If you are unable to get your get running after checking all the basic things to check,…
Where is the battery negative terminal on Honda main relay?
Consult your owner’s manual or vehicle repair manual and remove the main relay. Attach the battery positive terminal to the No. 4 terminal and the battery negative terminal to the No. 8 terminal of the main relay.
If you can start your vehicle, you’ll notice a check engine light on the dashboard if you have a bad main relay. To verify that the engine light is for the main relay, you’ll need to connect an OBD II scan tool and read what the code is for, though.
Can a bad main relay cause a car to not start?
Diagnosing a bad main relay can be difficult since a lot of factors need to be taken into account when the problem of the car not starting arises. From fuel to air to the fuel pump and spark plugs, any of these things can disrupt the normal working of a car.
Why is my Honda PGM-FI main relay not working?
This feature is not available right now. Please try again later. http://www.vehix411.com Honda no start is a common problem with pgm-fi main relay going bad the car can start sometimes and can die out on the middle of the road go to http://www.vehix411.com for detailed diagnostic help. fuel pump not working or no power to engine computer .
What should I do if I have a bad main relay?
You should still rule out other more likely problems like a dead battery or bad starter before jumping straight to a bad main relay. If you’ve verified that your battery has enough power, you can turn the key to different ignition spots and listen for a click from the fuse box.
How much does it cost to replace a main relay in a car?
If you are not able to get your car going after checking all the basic things, the main relay is probably defective or there is an electrical problem that could have fried the main relay. The average cost of replacing the main relay can be over $200 depending on the car model and brand.
It can be difficult for a common car owner to diagnose such issues but there are still a few basic things owners and drivers can check to rule out common problems. The main relay is usually located underneath the dashboard, inside the fuse-box of the car but it also depends on the make and model of the car: 1. The engine does start
What happens if the fuel relay is bad?
As mentioned above, the main relay controls the fuel system. If the relay is faulty, it will not provide the power with the fuel system needs, and if the car gets no fuel, the car will not start.