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94 legacy wagon problems still


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Had a friend with a postal wagon that would do the same thing. He could drive all day with it but there was one hill he would make it up halfway and it would start misfiring. Stop, let it wait 5 mins, it would fire back up and make it the rest of the way up the hill. Fuel pressure was good, filter was clean, no codes, so we threw parts at it off my pile of spares. A different coilpack solved it. Apparently the coil was marginal and it would overheat and open under heavy load. They don't go bad very often, so grab a coil off a manual transmission car. Coil should say "diamond" on it, they're supposed to be better.

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A '94 should have an OBD 1 computer control system. OBD 2, which standardized codes among manufacturers, started in '96. This means that your onboard diagnostics can be read by Subaru compatible code readers. You don't have to go to Subaru. Stop in at your local full service auto parts store and see if they can read your trouble codes. If you have to buy a suitable code reader, it should be in the $100 range. Make a few calls to NAPA, etc, and ask what they recommend. Read the codes before you drive it off a cliff.

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