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 .

Where is the fuse box on a Honda Pilot?

The interior fuse box is underneath the dashboard on the driver’s side. 2009-2011: Fuel Pump (PGM-FI Main Relay №2), Immobilizer-Keyless Control Unit, Powertrain Control Module (PCM) 2012-2015: Fuel Pump (PGM-FI Main Relay №2), Immobilizer-Keyless Control Unit, Powertrain Control Module (PCM)

How to identify a bad main relay on a Honda?

How to identify a bad main relay on a Honda (PGM-FI) Other symptoms include: stalling, long crank times, surging, bucking, poor transmission shifting. Some quick work with the test light allowed me to zero in on a PGM-FI main relay issue, which was confirmed by a visual inspection on the relay board itself.

How does the pgm-f1 main relay work?

1. Remove the PGM-F1 main relay. 2. Attach the battery positive terminal to the No. 2 terminal and the battery negative terminal to the No. 1 terminal of the PGM-Fi main relay. Then check for continuity between the No. 5 terminal and No. 4 terminal of the PGM-FI main relay.  If there is continuity, go on to step 3.

What is the fuse box diagram for a Honda Pilot?

Honda Pilot (2003 – 2008) – fuse box diagram Year of production: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Passenger compartment Honda Pilot – fuse box diagram – passenger compartment Fuse Box No.1 Rear Accessory Power Socket Relay Interior Light Relay ’03-’05: Front Fog Light Relay ’06-’08: Low Beam Cut Relay

Why does my Honda Civic have no start?

This is video on crank no start issues on a Honda. A crank no start can be caused by many things including a bad PGM-FI (Programmed Fuel Injection) Main Relay. If the main relay goes bad, it can cut off the fuel injectors and the fuel pump. The exact vehicle in this video is a 2000 Honda Civic LX Sedan. Enjoy!

Where is the main relay on a Honda?

So if you have a Honda or Acura that is not starting DUE TO LOSS OF FUEL PRESSURE this is a good place to start. You may be able to repair the main relay normally found under the dash on the drivers side. If this helps great remember me fondly and pass my name along because I just saved you at the very least about $80, at the most $200.

Why does my car not start when I crank the engine?

If the engine doesn’t crank, or makes an unusual noise when cranking, you may have a starting system problem. The car’s security system may have made an error that disabled the fuel or ignition system, or the chip in the key may have failed.

What does it mean when your Honda doesn’t start?

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 . https://www.youtube.com/watch?v=saDns…

What makes a Dodge Ram crank no start?

Discussion in ‘ Engine & Performance ‘ started by NightRider84, Sep 28, 2020 . Checked all fuses and relays all good. Have P0685 and P0688. Both lead to ASD issue. Tested control circuit from relay to ecm and got .3 ohms. Relay powers up when key first turned on. Have 12 vdc at coils and injectors when jumping relay still won’t start.

What to do when jumping relay won’t start?

Have 12 vdc at coils and injectors when jumping relay still won’t start. Have replaced both cam and crank sensors and no change. Fuel pressure good just installed new pump. Tested grounds at ecm. Have 5 v signal at both cam and crank, ground is good and getting signal back to ecm. Not sure what to check next before having to replace ecm.

How to troubleshoot no crank, good starter, any car?

No crank, good starter, how to troubleshoot, any car! (Hyundai) – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.

Can a 5.7 Hemi engine crank no start?

If the voltage returns to 5V while the coolant temp sensor is disconnected then you know the sensor is shorted. Try disconnecting the coolant temp sensor and cranking the engine to see if you have spark at one of the coils. For your question about the extra ground, yes, it is always good to have a soild, reliable ground.

When did Honda Civic del Sol start PGM-FI?

1.5L Honda Civic Del Sol Si: 1993, 1994, 1995. The PGM-FI Main Relay can be easily tested with a multimeter. You can find the tutorial here: How To Test The PGM-FI Main Relay (1992-1995 1.5L Honda Civic). Fuel Injector Circuit Wiring Diagram (1992-1995 1.5L Honda Civic).

How to test and fix a PGM-FI main relay?

To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information. Please try again later. Honda PGM-FI Main Relay Testing (1998 Honda Prelude) How to test and fix a main relay on a Honda or Acura.

What kind of wiring does a Honda Civic have?

Fuel Injector Circuit Wiring Diagram (1992-1995 1.5L Honda Civic). Fuel Pump Circuit Wiring Diagram (1992-1995 1.5L Honda Civic). Ignition System Wiring Diagram (1992-1995 1.5L Honda Civic). Fuel Injector Circuit Wiring Diagram (1992-1995 1.5L Honda Civic).

Where is the main relay on a Honda?

Why does my Honda Accord have no start?

This is a 1999 Honda Accord with an intermittent no start complaint. Other symptoms include: stalling, long crank times, surging, bucking, poor transmission shifting. Some quick work with the test light allowed me to zero in on a PGM-FI main relay issue, which was confirmed by a visual inspection on the relay board itself.

What happens when the Honda Accord main relay goes bad?

The Honda Accord Main Relay can cause you major head aches when it goes bad. It can leave you high and dry at the most inconvenient time or place.

Why does my Honda Accord crank no start?

When bad, the Programmed Fuel Injection main Relay or PGM-FI Main Relay usually causes an intermittent “crank no start” when warm. For example, your Honda Accord starts great in the morning, drive around town, stop a the grocery store or the gas station and the vehicle no longer starts up after a hot soak.

Where is the fuse box on a 1999 Honda Accord?

1999 Honda Accord Driver’s Side under dash Fuse layout The under dash fuse box is located under the left side of the dash Honda Accord Driver’s Side Under Dash Fuse Layout for 4-cyl engine Honda Accord Driver’s side fuse layout FRONT SIDE

How many relays does a Honda Accord have?

This Programmed Fuel Injection main Relay or PGM-FI Main Relay actually contains two individual relays.

How many fuses are in a Honda Accord?

Fuses and relay Honda Accord 2008-2012 Fuse Number Fuse Name Amps Component or Circuit Protected 1 – – Not Used 2 – – Not Used 3 WASHER 15A Windshield Washer Relay 4 WIPER 7.5A Windshield Wiper Relay

This Programmed Fuel Injection main Relay or PGM-FI Main Relay actually contains two individual relays.

When does Honda Accord start in the morning?

For example, your Honda Accord starts great in the morning, drive around town, stop a the grocery store or the gas station and the vehicle no longer starts up after a hot soak.

Where are the relays located on a PGM-FI?

This relay is located at the left side (LHD) or right side (RHD) of the cowl. One relay is energized whenever the ignition is on which supplies the battery voltage to the ECM, power to the fuel injectors, and power for the second relay.

How often does a Honda fuel pump fail?

HONDA FUEL PUMPS HARDLY EVER FAIL. Toyota is pretty much in the same boat. In 20 years of working on Hondas, I’ve replaced four fuel pumps, and two were aftermarket. That should tell you something. So if you have a Honda that doesn’t have fuel pressure, look to the main relay and forget about the fuel pump.

What kind of fuse box does a Honda Accord have?

Honda Accord (1997 – 2002) – fuse box diagram Year of production: 1997, 1998, 1999, 2000, 2001, 2002 Driver’s Under-Dash Fuse box Front View Rear View Number Fuse name A Circuits Protected 1 FUEL PUMP 15 PGM-FI main relay, SRS unit (VA) 2 SRS 10 SRS unit (VB) 3 HEATER CONTROL A/С CLUTCH RELAY COOLING …

How do you replace the main relay in a Honda Accord?

Pull the main relay from its location. You may need to push aside wires or devices or remove devices, such as the cruise control box, that block the main relay. Use your ratchet or wrench to remove any nuts and bolts (ratchet counterclockwise) attached to a device to expose the main relay or any that hold the main relay in place.

Where is the fuel pump relay on a Honda Accord?

Verify that the problem doesn’t stem from the fuel pump, ignition or any other source. Disconnect the battery and find the main relay. Typically, the main relay on a Honda Accord rests behind the dashboard to the right or left of the steering while with accessibility up under the dashboard or behind the steering column access or dash panel.

Where are the fuses on a Honda Accord?

Fuse box diagram (fuse layout), location, and assignment of fuses and relays Honda Accord Mk4 (CB7/CB9) DX, LX, EX & EX-R (1989, 1990, 1991, 1992, 1993). Fuses and circuit breakers protect your vehicle’s electrical system from overloading.

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