How to test the fuel pump in Honda Civic?
The following wiring diagram will help you locate the fuel pump fuse: Fuel Pump Circuit Wiring Diagram (1993-1995 1.5L Honda Civic). CASE 2: If the fuel pressure gauge registered 30 to 45 PSI: This fuel pressure gauge result lets you know that the fuel pump is working and delivering enough fuel to the fuel injectors.
Why does my Honda Civic engine not start?
CASE 1: If the fuel pressure gauge registered 0 PSI. This confirms that the cause of your 1.5L Honda Civic engine’s no start problem is caused by a lack of fuel. Now, I usually take one more precaution, before condemning the fuel pump as bad and this is to check that the fuel pump is getting 12 Volts as the engine is cranking.
What is the PGM-FI main relay on a Honda Civic?
The PGM-FI Main Relay is the relay that supplies power to the fuel injection system on your 1992-1995 1.5L Honda Civic and Civic Del Sol. It can be easily tested on the car to find out if it’s bad or not. In this tutorial I’ll explain how to do it.
What to do if your fuel pump is bad?
If your car has a bad fuel pump check valve, the biggest issues you’ll notice are your car will run poorly, stall, or it won’t start at all. Replace the fuel pump check valve with one that meets the specifications of your vehicle. You will need to refer to the owner’s manual.
What happens when the fuel pump goes out on a Honda Civic?
There are physical signs that you can feel when your Civic’s fuel pump is going out. Before taking anything apart, check to see if your engine’s computer has any trouble codes saved in it. The engine may throw a P0087 trouble code. This trouble code detects that the fuel rail/system pressure is too low.
What to do if your fuel pump does not work?
If the fuel pump still does not work, keep testing down the wiring harness toward the fuel pump. If there is no continuity, replace the relay and retest.
Where does the fuel pump go in a car?
In modern fuel injected vehicles, the fuel pump sits right in the fuel tank and “pushes” the gasoline to the fuel rail (s). It is in the fuel tank because “pushing” fuel to the fuel rail is easier than “pulling” the fuel, which is what an inline pump would do.