Question about 1991 Acura Legend

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91 acura check engone light is on code 1an3 what could be the pro

I Have 91 acura legend and my check engine light is on
and it flashing 1 and 3 what do they mean

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  • 350 Answers

I'd go get a reading from an auto parts store!
Advance Auto Parts will usually do this for free!
Are you having any noticeable problems besides the code lights?
Hope this is helpful!
Good Luck!

Posted on Jan 20, 2009

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D4 light flashing, speed off by 10 and check engine light is on....1994 acura legend


When my D4 light started blinking means VSS (Vehicle Speed Sensor) or Trans wrong: DIY Transmission Service (Filter + Drain)

Hope helps.

May 23, 2011 | 1994 Acura Legend

1 Answer

Is there an ALDL port on a legend ...to plug in a scan tool


There is a connector but it is not like the connector used in the newer 1996 OBD2 cars, your year uses OBD1, here is how you check for codes in this car.

Acura OBD1 Codes Retrieval
Acura vehicles 1986-95 obd1 code retrieval
There are a few different ways to retrieve the codes for "check engine light" for Acura vehicles. One method is to use a led light (sometimes 2 led lights) on the computer or controller box itself. If it has 2 led lights, the color is red and amber. The red is used for flashing the codes whereas the amber is used for adjustment. If you have only a single led light indicator, then that is used for flashing the code.
The controller box can be found by lifting the carpet of the passenger side front foot well or floorboard. You can see the led lights without removing the controller. On other models, you can find the controller under the driver or passenger front seat.
The second way to get the code is using a jumper wire on the diagnostic connector located on the kick panel at the front passenger side. You then watch the codes being flashed at the dash panel after you turn the key on. To read the code being flashed is easy. Example: Code 23 is 2 long flashes followed by 3 short flashes. A longer pause separates the next code that follows.
Here are Acura vehicles 1986-95 general codes:
Code 0 Electronic control unit (ecu)
Code 1 02 (oxygen) sensor
Code 3 and 5 map sensor
Code 4 Crank angle sensor
Code 6 Coolant temperature sensor
Code 7 Throttle angle sensor
Code 8 Crank angle sensor (TDC)
Code 9 Crank angle sensor (CLY)
Code 10 Intake air temperature sensor
Code 12 EGR system fault
Code 13 Atmospheric pressure sensor
Code 14 Electronic air control valve
Code 15 Ignition output signal
Code 16 Fuel injector fault
Code 17 Vehicle speed sensor
Code 21 Spool solenoid valve
Code 22 Valve timing oil pressure switch fault
Code 23 Knock sensor
Code 41 Oxygen sensor heater fault
Code 43 Fuel supply system

Nov 30, 2010 | 1990 Acura Legend

2 Answers

Check engine light is flashing "fix"


When the CHECK ENGINE light turn ON, one sensor in your vehicle is advise about an code fault. i suggest scanning for know what code is in there and solve it.

Good luck.

Mar 23, 2010 | 1988 Acura Legend

2 Answers

My 91 Legend idles funny when I start it up it will rev high or maybe it will rev low and stall. Also the engine light will come on and the green square around my D4 indicating my transmission position...


the port is probably under your steering wheel, like above where your feet and legs sit. you need an OBD1 (on board diagnostic) scanner. Some places do it free, some charge, or you can buy the cheaper one at auto zone for like 50 bucks. or the nice one for like 300. call around and see who will do it for free :)

Mar 11, 2010 | 1991 Acura Legend

1 Answer

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

Sep 25, 2009 | 1992 Acura Legend

2 Answers

89 acura legend check engine light is always on


IF YOU LOOK UNDER DRIVERS SEAT FROM BACK PASSENGER SEAT YOU'LL SEE THE CARS ECU IS MOUNTED THERE. THERE WILL BE A SMALL LITTLE "WINDOW"ON BACK EDGE THAT WHEN YOU TURN THE KEY INTO THE ON POSITION ANY TROUBLE CODES WILL CAUSE A RED LIGHT TO BLINK IS THIS WINDOW. THE SERIES OF FLASHES(LONG FLASH=10 SHORT=1) WHICH TRANSLATE INTO DTC . EXAMPLE TWO LONGS FOLLOWED BY 3 SHORTS ==DTC 23. IF THERE ARE MORE THAN ONE DTC STORED THERE WILL BE LONG PAUSE BETWEEN EACH SERIES OF FLASHES

Jun 18, 2009 | 1994 Acura Legend

1 Answer

Where is plug for check engine light? 1994 acura Legend


IT IS LOCATED BEHIND THE GLOVEBOX. JUMP THE CONNECTOR AND COUNT THE FLASHES OF THE CHECK ENGINE LIGHT. HOPE THIS HELPS, LET ME KNOW. BEST OF LUCK TO YOU.

Apr 29, 2009 | 1994 Acura Legend

1 Answer

No brake lights/lamps on 91 acura legend


Check for bad wiring at the 3rd brake light. You may find frayed or broken wiring there.

Mar 01, 2009 | 1991 Acura Legend

1 Answer

Engine wont engage


recheck the starter alignment and make sure the starter mounting bolts have been tightned. If that doesn't do it I would be checking to make sure the starter bendix andthe flywheel teeth are the same, since you have just changed engines.
Bill

Nov 04, 2008 | 1991 Acura Legend

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