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Goggle something like this: 1992 Subaru Legacy ECU Codes or 1992 Subaru Legacy failure codes. Including the engine size like 2.2L may help as well. That is the best way to find any engine code.
I would have have the TPS (Throttle Position Switch) tested, it sends a signal to the ECM of where the position of the throttle is so the ECM can determine how much fuel and air and spark to give to the engine. Have you replaced the spark plugs, fuel filter, air filter, spark plug wires? Have the coil tested also to see if it is putting out enough spark. Do you have any Check Engine Light coming on?
There is two Green single wire plugs under the dash, driver side, above your left leg (rh drive) plug them together, engine check light will flash, www.auto-diagnostic-codes.com will help to read codes
Check to see if you have fuel at the fuel rail, if you do, check the injectors to see if they are working. You can use a noid light to see if they have any pulse.
I had the same problem, and the reason was the sensors, will need to change the catalytic sensors
some vehicle have two, they called front and back, get under the car and locate them, they have a
electrical plug and are easy to remove, is like removing a spark plug but some require a special socket
I hope this help
The best way to check for spark is to remove a sparkplug wire from one of the sparkplugs on you engine and then take one of the spark plugs that you replaced and connect it to that plug wire. Make sure the plug is touching bare metal and have someone crank your engine. You should see a spark at the end of the plug. As far as a stuck injector you need to see if your getting spark first. Let me know what you find.
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