Automobile designers regulate high current devices or systems, such as the starter or fuel system, with a smaller amount of current controlled through a series of relays or switches. If you changed the fuel pump and relay did you also check the fuel pump fuse. The fuel pump relay is a small electronic device which is easily acquired online or at the nearest spare parts shop. Mar 23, 2015 honda accord sedan 2009 underhood fuse box diagram honda accord sedan 2009 underhood fuse box map fuse panel layout diagram continue reading posted on march 23, 2015. Honda accord 2005 headlight relay location motor vehicle. You can find a number of honda accord fuel pumps in. If the fuel pump is delivering enough pressure, move on to the next step. Fuel pump related no start problems what should you check. How to replace the main relay in a honda accord it still. The gas delivery is pressurized, and it has to deliver enough gas for your honda to start and continue running. Electrical problem 2005 honda accord 4 cyl two wheel drive automatic locate remove and replace main fuel. How to identify a bad main relay on a honda pgmfi this is a 1999 honda accord with an intermittent no start.
How to clean fuel injector honda accord 2005 acura. If your vehicle is equipped with a navigation system, a navigation manual with detailed instructions, settings, and other information is also available. A relay is switch that utilizes an electrical trigger signal to activate. If so the trigger circuit of the relay electrical system is working, if not continue to next step. Once the computer is powered up, it will ground the second relay, which supplies power to the fuel pump. Usually a bad or failing fuel pump relay will produce a few symptoms that can alert the driver of the issues. To test your honda main relay, first connect pin 2 terminal on your relay to the positive terminal on your battery and the negative to pin 1 terminal. The two fuses for the ecm are good, but i can not locate the ecm main relay. New fuel pump main relay fit acura integra 9401 honda civicdel sol 9201. For more information on this topic, i have written a field manual called engine. Where is the main relay sitch in honda accord 2005. If you hear it, you know the relay and the fp are good.
Acording to the chilton manual the fuel pump gets it volta. Often, its not the pump itself that fails to function, but the power that supplies it. Testing the resistance of the fuel injectors on honda civic dx, ex, and lx. Took my accord to jiffy lube to get my oil changed and car has always ran fine with no problems. Now, although its not the most accurate, youll be able to confidently say that the nostart condition of your honda is due to a lack of fuel. Honda fuel pump relay replacement no start or stalling recall fuel pump relay may cause engine no start or stalling. If the fuel pump relay has an issue while the vehicle is operating it will cut off power to the fuel pump, which will. You may actually be getting power to the fuel pump through the functioning fuel pump relay and the good fuse, but the fuel pump itself may have failed you can check by disconnecting the fuel pump electrical connector, and checking for battery voltage when the ignition key is turned to start.
The absolute best way to test the fuel pump is with a fuel pressure gauge, using any other method will probably have you wasting time and money since you wont get an accurate test result you can trust. Honda accord questions 03 accord main fuel relay location. If your accord wont start, then you may have a damaged or broken main relay. How do i test the fuel pump on a 1992 honda accord. The main relay in a vehicle controls the fuel pump and supplies power to the injectors. Mar, 2015 a bad fuel system does not have to cost you your honda accord or civic. Accord doesnt start main fuel pump relay replacement and location honda acura no start rz0088 you can get a relay here. Took it to apple honda, york, pa and they could not find a problem with the car, as it allegedly started each time for them.
Repair manual, service manual, owners manual, navigation manual, users information manual. Never notified me of possible fuel pump relay issue. The first test im gonna explain is the easiest one to do, although its not the most accurate. This can leave you stranded if the relay goes bad or you run out of fuel.
Owners manual 2005 honda accord sedan honda owners site. Most of the time they are replaced by mechanics who figure it must be the fuel pump, when it really isnt. In 20 years of working on hondas, ive replaced four fuel pumps, and two were aftermarket. Symptoms of a bad or failing fuel pump relay yourmechanic. So if you have a honda that doesnt have fuel pressure, look to the main relay and forget about the fuel pump. May 03, 2017 honda accord 2005 fuse box diagram year of production. Electrical problem 2005 honda accord 4 cyl two wheel drive automatic locate remove and replace main fuel relay. How to tell if fuel pump relay is bad while driving. Check in your owners manual for the location of the fuse box, then find the fuse that corresponds to the fuel pump. Typically, the main relay on a honda accord rests behind the dashboard to. I am not seeing a fuel pump relay in the relay box. Bookmark file pdf 2005 acura nsx fuel injector o ring owners manual 2005 acura nsx fuel injector o ring owners manual.
A bad fuel system does not have to cost you your honda accord or civic. Nov 15, 2017 fuel pressure is checked at the fuel delivery pipe at the engine, using a proper pressure gauge. The 1991 honda accord has 12 problems reported for difficulty starting. However, if the relay is faulty, you may notice some problems with the cars performance. Accord doesnt start main fuel pump relay replacement and. Relay and control unit locations engine compartment engine installation starter circuit troubleshooting dtc troubleshooting. The bank angle sensor controls the operation of the engine cut relay by completing the ground circuit. The fuel pump relay helps your vehicle start the car by pressurizing the. Where is the relay and test port for fuel pump psi 2005 xg350l.
Not only does this result tell you that the fuel pump is ok but that the following components, that supply the fuel pump with power, are ok too. Unlike aftermarket units, oem fuel pumps are designed to produce a precise level of pressure in the fuel system at any given rpm. In honda accords manufactured between 1986 and 1997, the main relay serves as the middle man helping other devices to control the ignition and fuel system. Once activated the relay connects an electrical supply to a particular accessory. A faulty ignition coil, cap, rotor, or wires can cause your engine to stall. Usually the pump fuse is located in the fuse box inside the car. The good news is that replacing a fuel pump is a relatively straightforward job. Jan 10, 2017 if you changed the fuel pump and relay did you also check the fuel pump fuse. When you turn the ignition to on, you should hear the fuel pump run.
Three things you may want to check out next in your problem diagnosis. This article applies to the honda accord 19902002, and civic 19922000. All the guidance i have seen is it is under the driverside dash. In older vehicles with mechanical fuel pumps, the pump moves as your camshaft spins and fuel is drawn through a line using suction. Ry152 fuel pump relay gas new for honda accord prelude 19881990. Your cars fuel pump relay may be able to supply enough power to the vehicle to allow you to drive it. Replacing fuel injectors on project rsx resurrection the og 2005 acura nsx is a blast to drive in one of our. If the fuel pump still does not work, keep testing down the wiring. If you have a honda with a fuel pump relay, you probably know that the relay only energizes the fuel pump when the motor cranks.
How to tell if fuel pump relay is bad and how to replace it. This test is done with a can of starting fluid being sprayed down. Honda crv 2002 2003 2004 2005 honda repair manuals. Replace your wornout or faulty component with this quality replacement from wve. However, the main relay is more likely to fail than the fuel pump. How to replace the main relay in a honda accord it still runs. Where is the relay and test port for fuel pump psi 2005.
Often, the problem is with a fuse, main relay, or ecm preventing the main relay and fuel pump from operating properly. Dec 22, 2012 when testing the fuel pump with a fuel pressure gauge, youll usually see one of two results. Then check that there is continuity between the no. Buy a 2005 honda accord fuel pump relay at discount prices. One of the first symptoms of an issue with the fuel pump relay is an engine that suddenly stalls. The fuel pump pulls gasoline from the fuel tank to the fuel injectors in your honda accord. Besides that fuse the ignition would have different fuses that feeds it power and also the ignition switch feeds different fuses. The fuel system in your honda accord and civic consists of many working parts. Honda accord fuel pump removal sending unit testing duration. Read online 2005 acura nsx fuel filter owners manual. The relays you can see only indicate fan controls, frost. This product is designed and tested to ensure the ultimate in durability and functionality. The consumer stated he was having problems with the vehicle starting and there was a delay. Change the fuel pump on any honda im gonna show you how to replace the fuel pump on this honda crv, but this method applies to just about.
Pin 6 to ecmpcm connector a11 and a24 for fuel pump. View and download honda accord repair manual online. Cranking the engine to fill empty carbs can drain your battery dead before the carbs fill. Now check for continuity between pin 5 and pin 4 of the pgmfi relay. There are three conditions that will cause the computer to activate the fuel pump half of the main relay. Step 4 once the relay has been identified, gently grasp or touch the relay in question, have a helper turn the ignition key to the on position, then crank the engine over, the relay should click in one of the ignition switch positions. These accessories can range from the main computer pcm powertrian control module, radiator fan, fuel pump, door locks etc. Verify that the problem doesnt stem from the fuel pump, ignition or any other source. Honda accord main relay repair fuel pump dan martel.
Honda accord sedan 2009 underhood fuse box diagram honda accord sedan 2009 underhood fuse box map fuse panel layout diagram continue reading posted on march 23, 2015. This is a 1999 honda accord with an intermittent no start complaint. Replaced the metal high pressure fuel line, when doing so i broke both rear brake lines trying to pry off the protective cage that covered all the rear brake and fuel l. We have 12 honda accord manuals available for free pdf download. I have a 94 honda accord, the fuel pump is good the 15 amp fuse is good and the main relay is good. If your car starts to slow down while you are driving, it may be a sign of a bad fuel relay. The most common cause of this lack of fuel is an inoperative fuel pump. And, when you buy a genuine honda replacement, you can rest assured your fuel system will perform as expected day in and day out. When the key is turned on, the computer will run the fuel pump for two seconds. You can find a number of honda accord fuel pumps in the case that you need a replacement. Notice when testing pgmfi fuel pumps, always disconnect the ecm connector to prevent possible damage to the ecm. If your honda acccord, prelude, civic, crx, odyssey, or acura isnt starting, your fuel pump main relay is most likely bad. Location of fuel pump relay under the drivers side dash in honda accords. The fuel pump run continuously with your engine, delivering.
I replaced the relay under the dash, and replaced the fuel pump. According to the shop manual, fuel pump operation is difficult to hear. How to identify a bad main relay on a honda pgmfi youtube. Honda accord coupe questions fuel pressure cargurus. The fuel pump relay is a small electronic device which is easily acquired online or. If the fuse pump fuse looks good and it has been popped out and tested with a ohms meter or youve tried a new fuse then you. Oct 04, 2015 honda accord main relay repair fuel pump dan martel. There are three conditions that will cause the computer to activate the fuelpump half of the main relay. Honda accord 2005 fuse box diagram year of production. Knowing how to test a honda main relay can help you. Accord cranks but wont start 972002 fuel pump relay duration.
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