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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1998 Ford Escort ZX2 lost power/shakes

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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perhaps you should 've checked the spark plug wire spark plug itself and the wiring going to the coil,there some many things that can cause a particular coil not to work.

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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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Sounds like you may have a bad spark plug and or wire, check the wires and plugs, if it's been more than 30,000 miles sence your last tune up, you should do a tune up anyway it may fix your problem.

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