Question about 1991 Subaru Legacy

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Missing on one cylender

Replaced plugs, wires, and cilnoid pack and it is still missing does that mean i have a dead cylender??

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An engine needs fuel, air, and spark. it sounds like you have spark covered. try injector cleaner. if one brand doesn't work try another. at different times i've had luck with techron, seafoam, and lucas, which are about as different as they can be. its also possible that the problem is the injector itself or the wiring, but try cleaning it first. If the air filter or throttle body are dirty, which is rather likely on a '91, change the air filter and use use carb cleaner or seafoam. Also clean/change the PCV valve and clean the idle air control valve.

Posted on Mar 21, 2009

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