Question about 1994 Acura Legend

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Acura Hello, I have 1994 Acura Legent , for some reason it won't start , we checked fuel pump , main relay , but still won't start , could it be crankshaft sensor , or .... ? Thank you

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  • orlandbest Jul 28, 2009

    yes I do , but electricyti is not coming to them.....

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Do u have spark??

Posted on Jul 28, 2009

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1 Answer

Fuel pump relay location


i believe it is under the dash on the driver side, its actually a main relay for more than the fuel pump of the vehicle. The same relay is used in many honda vehicles.

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Show me a picture where the fuel pump relay is located on 1994 Acura Legend?


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Acura Coupes and Sedans 1994-2000 Repair Information

PGM-FI Main Relay

Print
This relay is located behind the dashboard's lower cover. It consists of two individual relays. One is energized whenever the ignition is ON , thus supplying battery voltage to the Powertrain Control Module (PCM). This relay also supplies voltage to the fuel injectors, and power to the second relay. The second relay is energized for two seconds, when the engine is turned ON , to power the fuel pump.
See Figure 1

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Fig. Fig. 1: Schematic of the PGM-FI relay
Testing
If the engine starts and continues to run, the PGM-FI relay is working and does not need to be replaced.
See Figure 2

0900c1528008be05.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: PGM-FI relay terminal numbers

  1. Remove the relay.
  2. Apply battery voltage to the number three terminal.
  3. Ground the number two terminal.
  4. Check for continuity between terminals five and two.
  5. If continuity is detected, proceed to the step 7.
  6. If there is no continuity, replace the relay.
  7. Connect the number four terminal to the positive side of the battery.
  8. Ground the number two terminal of the relay.
  9. Check for continuity between the number five terminal and the number two terminal of the relay.
  10. If there is continuity, the relay checks out "OK". If the fuel pump still does not work, test the harness.
  11. If there is no continuity, replace the relay and retest.

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check your computer or the ignator or coil in the dizzy

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Check to see if your plugs are getting fire, if not check the ignition module and crankshaft sensor. Check your fuel pressure, if no fuel could be bad pump, if not enought could be fuel pressure regulator. Hope this helps.

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Where is fuel pump relay on acura legend 89 i dont know if i need a fuel pump or fuel filter


where is the fuel pump located on my 1994 acura legend and how to check the relay and where is it located

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1990 Acura Legend, location of main relay for fuel pump


looked it up online, looks like its in the underhood fuse box but couldn't get a good diagram that shows which relay number it is. the website i use is sort of dependent on the manufacturer, apparently acura did not feel like sharing that info. hope that helps

Jun 17, 2009 | 1993 Acura Legend

1 Answer

Acura Legend Sedan 3.2 lts 1994


replace de ignition module first.. if still wont start good chances is the crank sensor is located behind the timing belt.. my 94 legend use to do the same thing until i replace the crank sensor.. and also if u can afford i will suggest u to replace the main fuel relay too... all this is after u are 100 pcnt sure that ur fuel pump is working....

Sep 26, 2008 | 1994 Acura Legend

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