Question about 1994 Acura Legend

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How to fix the fuel pump on a 1994 acura legend coupe

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6ya6ya
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Posted on Jan 02, 2017

freetek
  • 5568 Answers

SOURCE: Acura Legend 1994 fires, but won't start

'Fires' implies that you have spark and fuel; I think you mean that it cranks with the starter. Checking these separately is not difficult, you need to remove one spark plug lead and insert a screwdriver, then position the wire and the 'extension' so that the shank of the screwdriver is close to, but not touching some metal related to ground. This is about any exposed metal on the engine. When cranking, during each revolution you should see a healthy blue spark between 1/4" to as much as an inch. This tells you that the system supplying the high voltage is at least working. Of course that alone doesn't tell you that each plug is getting spark but to do that, you would need to remove each plug wire from the plug in succession and test them individually. Generally, if you have a single failed plug wire or plug, the engine will start but miss noticeably and it isn't not likely that all plugs and wires fail at the same time.
Checking the fuel supply depends a little on the delivery system. I think your car does have fuel injection so look for a fuel 'rail' that runs parallel to the engine. This is a length of pipe to which the injectors are attached and delivers gas to them. Most of the fuel rails will have a pressure relief valve on them that looks similar to a tire valve. After cranking for a few seconds, depressing the center pin should result in gasoline squirting from it. If it doesn't, you may have a failed fuel pump or a severely clogged inline filter. A bad fuel pump is more likely.
There are other points of failure such as a defective ignition switch but these will not normally fail instantly but become unreliable first.
When a recently run engine refuses to start, it is sometimes due to too much fuel in the cylinders (flooding) and this can cause plugs to fail to fire and can be alleviated by depressing the accelerator pedal completely to the floor and leaving it there; don't pump. This causes more air to enter the engine without causing additional fuel to flow and will, after cranking for 30-60 seconds, dry the plugs out and allow them to fire again.

The fuel pump in your car may be fused so I would check the fuse box for any visibly blown fuses too.

Posted on Nov 17, 2008

  • 14036 Answers

SOURCE: 91 acura legend will not start

check all ignition fuses and pcm fuses.if all is good check .check the igniter unit .all plugs wires and plugs and coils.if every thing check out good.scan it to make sure the computer is working.

Posted on May 07, 2009

  • 137 Answers

SOURCE: 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

Posted on Jun 17, 2009

  • 118 Answers

SOURCE: how to replace fuel pump on 1992 acura legend

Remove and check for a access door under the back seat.

Posted on Jul 19, 2009

fingaz22
  • 1068 Answers

SOURCE: 1994 Acura Legend check engine light is on. When

turn the ignition key to the acc or lock position with the odometer reading showing.

while holding the trip/reset button turn the ignition to the on position. light should flash and go out!

reset done. if you have any more issues plese ask. good luck

Posted on Sep 25, 2009

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1 Answer

Fuel Pump Not Receiving Gas


This issue can be different things. This can be an electrical problem, Fuel pump may not be getting electricity continuously, Fuel filter may be clogged, or Fuel Pump is defective.

Apr 03, 2014 | 1991 Acura Legend

2 Answers

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

0900c1528008be04.jpg enlarge_icon.gifenlarge_tooltip.gif

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.

Mar 11, 2013 | Cars & Trucks

1 Answer

1994 acura legend wont crank after you kill it


Test fuel pressure and voltage at fuel pump.

Jan 14, 2013 | 1994 Acura Legend

1 Answer

How to install a fuel filter for a 92 acura legend coupe



Under hood, center, upper firewall, mounted in fuel line.

Be sure to slowly release thr fuel pressure by holding a rag over the filter.

Jul 30, 2011 | 1992 Acura Legend

1 Answer

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

Oct 01, 2010 | 1993 Acura Legend

1 Answer

Acura


do u have spark??

Jul 28, 2009 | 1994 Acura Legend

2 Answers

Car ill not start


you need the electrical part of the ignition switch this is a common problem on this model.

Mar 21, 2009 | 1994 Acura Legend

1 Answer

Hi, I have a 93 Acura Legend. I tried to start it a few days ago and it would turn over but wouldn't start. After some time the car did finally start but stalled on the way home. We got the car started...


may need to take a good look at your fuel filter itself...... may look ok ....but check the line as far as you can trace it........and all relays related to the fuel and ignition system .....you'd be surprised! Exspecially the fuese.....under hood and kick panel! I have found that fuses youd think would not effect much ....turn out to be nacessaties for these exurberatated works of head turnin art.............on my third one ........even had a coupe...5speed...I know where to get a six speed...for dirt cheap.. but LUV the sedan! good luck!

Dec 08, 2008 | 1994 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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