Question about 1991 Subaru Legacy

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How to retreive a check engine light from a 1991 subaru

Need to get codes from ecu from a 1991 subaru legacy

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  • subarudad Jan 14, 2009

    I can't figure out which plugs to attach to get the error codes. I need a picture or a diagram.

  • Anonymous Mar 27, 2014

    90 chassis 91 engine ecu throws codes 11 and then 21

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  • Subaru Expert
  • 196 Answers

Read the info in the link it has a step by step http://legacycentral.org/library/literature/codes.htm

Posted on Dec 18, 2008

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1 Answer

Where do i find the list of codes for a subaru for find out the problem


Goggle something like this: 1992 Subaru Legacy ECU Codes or 1992 Subaru Legacy failure codes. Including the engine size like 2.2L may help as well. That is the best way to find any engine code.

Oct 24, 2017 | Subaru Cars & Trucks

1 Answer

How do I remove and replace the speedometer on a 1991 suburu legacy wagon I have a code for VSS2 which is the speedo speed sensor


The speed sensor is located on the transmission output . I don't think the problem is in the dash. Go to YouTube and type in where is the speed sensor on a 1991 subaru legacy and it will bring up all related videos. Hope you find this useful.

Feb 13, 2015 | 1991 Subaru Legacy

2 Answers

Free wiring diagrams


google it my good man

Aug 25, 2014 | 1991 Subaru Legacy

1 Answer

Will a 1991 subaru justy fuel line fit on a 1991 subaru legacy


As long as its of the same construction, length, inside diameter, looks the same, and isn't cracked it should work. I hope this helps.

Jul 31, 2011 | 1991 Subaru Legacy

2 Answers

I have a 1991 subaru legacy wagon. I just went to


Yes you do need them. It is the transmission cooler. No you will not be able to use the new radiator.

Jan 18, 2010 | 1991 Subaru Legacy

1 Answer

Legacy lacking power and using lots of fuel


Are you sure its the transmission ecu that is the problem ?
Are you getting any engine ecu error codes ?
Sounds to me like its going into limp home mode.....
Crankshaft sensor ?
Camshaft sensor ?
Engine ecu ?
Thats where I would be looking ........
Looking forward to your reply.

Jun 29, 2009 | 1993 Subaru Legacy

1 Answer

Diff ratio on the back axle on a subaru legacy


Look for the option code sticker in the glove box and look up the codes on the net or call the subaru dealer and ask them what the opton codes are on your lagacy. Good luck.

Apr 06, 2009 | 1991 Subaru Legacy

1 Answer

I cant find my ecu on 1991 rs liberty-legacy


ECU is in the front passenger footwell, high on the right. Its clear that you have no manuals, but you'll need one if you want to do more than stare at it. Unless you install a battery with the polarity reversed, which does destroy the ECU, its is not likely to be the problem on these cars. If its "dead", and the battery is good, the lights come one, the strater turns the motor over, but no fuel no spark then check the fuses in the box on the upper left of the driver's footwell and the ones in the box in the engine compartment in front of the left front wheel. If it isn't totally dead, get the Hayes manual at the local ato parts store and read how to get the ECU codes w/o a tool and go from there.

Mar 25, 2009 | 1991 Subaru Legacy

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