Question about 1991 Subaru Legacy

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Car running like a three legged dog

My 91 loyal drives ike its tied to a tractor trailer i replaced cap wires plugs and rotor button check engine light is on what will make it run like a three ledded dog no power

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Maybe air filter? Low air could cause the o2 sensors to send a code, maybe get the code checked at Autozone, and start there. Maybe Cat Convertor... water in gas, I could guess all night......

Posted on Jun 01, 2009


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Check engine light is on. Runs rough. Read codes???

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It sounds like you may have an intake leaking. You've replaced the major components so now you need to look for a possible vacuum leaking. The intake gaskets is the easiest part to check. Get a can of brake clean. While the engine is running, spray the brake clean on the top center of the engine. The engine may idle up or idle down or may smooth out. Try this and see what you come up with. If this does not solve you problem, let me know and I will help you figure it out.

Jan 05, 2009 | 1991 GMC C1500

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