Question about 1997 Subaru Legacy

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What would cause check engine light to flash rapidly and cooling fans cycle on and off with key on and engine not running

1997 subaru legacy 2.2 engine auto transmission rhd

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Hi, mine did the same thing, it was the mass air flow sensor. I also changed the thermostat.

Posted on May 19, 2014

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There is a diagnostic connector under the dash board that is supposed to be left disconnected (green) if you connect then it forces it into diag mode.....

Posted on May 18, 2014

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1 Answer

98 legacy instrument panel lights keep going on and off, won't shut off, runs the battery down


There's a pair of connectors, green, under dashboard on left. They should be left unplugged. When they are plugged together, they cause the lights and fans to cycle on and off for diagnostics.

Feb 13, 2013 | 1998 Subaru Legacy

2 Answers

Hi..my question to you is why would a 1997 subaru outback legacy overheat if the fans are working?


This can be a leaking cylinder head gasket (common on this Boxer engine).

Dec 27, 2010 | 1997 Subaru Legacy

1 Answer

I have a 99 legacy 2.5 gt...137,000 mile...i traded into this car ..it runs like a top!! unfortanaty in North Carolina we have emmisions testing..here is my problem..My check engine light is flashing at...


replace eletric part of ignition...as u turn the key on it puts its shelf threw a test cycle as it is supos to do but it is sticking in this mode so to speak.....if that dont fix then its the computer and of course i am assuming u have checked grounds.....

Nov 25, 2010 | 1999 Subaru Legacy

2 Answers

Head and tail lights won't turn off when key is removed.


wires must have been trapped,shorted when engine was removed, check loom for damage

Jul 05, 2010 | 1997 Subaru Legacy

2 Answers

1997 Subaru legacy cooling fan


No if it is stiff to turn,it is bad,replace it,and make sure there is not a blown fuse on top of the cooling fan being bad.

Apr 16, 2010 | 1997 Subaru Legacy

1 Answer

97 subaru outback 2.5- just checked the trouble codes after check engine light went on. what could be causing radiator fan problem?


Faulty cooling fan relay, faulty coolant temperature sensor, or the fan assembly itself is defective.

Feb 23, 2010 | 1997 Subaru Legacy

1 Answer

97 Subaru Legacy, Question on Electrics Fan operation


Q1) The fans do turn on independently on need. Q2) The noise might possibly be the exhaust not being attached properly. I would have them check all connections. A poorly working exhaust will make the vehicle run poorly and may cause O2 sensors to not work right. Make them check the car and you have the right to have the vehicle the way you want. Be mindful that you are the customer. Good luck and have a nice day.

Mar 23, 2009 | 1997 Subaru Legacy

1 Answer

Common fault codes for subaru legacy


replace the coolant temperature sensor (2 pins)... im not sure but i think is brown...

Jan 07, 2009 | 1997 Subaru Legacy

3 Answers

Overheating


The 97-99 2.5L DOHC Subaru engines were notorious for this problem, blown head gasket is very likely the cause. It is possible to test for the presence of exhaust gas in the coolant to verify. The reason the car seems to be overheating then cools down quickly when shut off is that the hot exhaust gas displaces the coolant at the top of the engine where the sensor is. If it happens consistently you will need to deal with it, I have worked on an engine that was run many miles under this condition and it damaged the block beyond repair. If you are a decent shade-tree mechanic, it is possible to do the work with the engine still in the car, you will have to raise it up an inch or two to get sufficient access. I have personally done 3 engines with this problem, a 98 and 2 99's.

Oct 21, 2008 | 1999 Subaru Legacy

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