Question about 1990 Subaru Legacy

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1990 subarru legacy 4 door car 2.0

The engine was shaking badly and has a check engine light on and has no power changed the plugs and that reduced the problem some but still not running the same

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Have you checked the knock sensor? This is a common issue with the older models it will give a rough idle and reduced gas mileage.

Posted on Dec 18, 2008

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My check engine light blinks quickly 3 times on my 1990 legacy wagon


It is a signal that the Fuel filter
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2001 Legacy Wagon Idles rough and has no power when in gear. Changed all the plugs, changed the exaust sensor. Check engine light still on after all that.


1 you need to get the code. 2 sounds like the catalitic converter is bad. If the code was for the exhaust sensor, the catalitic converter will pop this code.

May 24, 2011 | 2001 Subaru Legacy

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The fuel filter should be replaced every 2 years. It is easy to do since it is on the firewall. You don't even have to get under the car. Low fuel pressure can cause the issues you described. A dirty air filter can do this as well as bad spark plug wires. These cars are picky about the type of spark plugs you use as well. None of the gimming (+2, +4, splitfire) plugs should be used. I've had best luck with Motorcraft and Autolite plugs.

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I have a 1990 Subaru Legacy no spark on 3&4 changed ecm and icm still no spark on those two coils


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Feb 24, 2010 | 1990 Subaru Legacy

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Jul 22, 2009 | 1990 Subaru Legacy

1 Answer

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I would have the coil tested again. May have a bad ground. Also check all major grounds, body and motor.

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Engine is shaking, reduced power to engine, service engine light on, all of a sudden, car was driving fine


Could be anything you need to give more info. Have the cars computer scanned for codes, It may help identify the problem or help lead you in the right direction.

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