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Old 06-15-2010, 09:15 PM   #1
Scooby Specialist
Member#: 175854
Join Date: Mar 2008
Chapter/Region: SWIC
Location: Pyramid Lake, NV
98.5 Volvo V70 XC
Bleached Sphincter

Default 92 Legacy L 2.2l AWD AT: AC and Engine Issues

1992 Subaru Legacy L 4-door
Automatic Transmission - Full Time 4WD (AWD)
2.2L H4


Hey everyone. A few Issues on this scoob.

The car itself has 241k. Unknown on the engine.

Axles are going, I can fix those.

But the engine runs like crap... sometimes.

On a cold start, or after leaving it sitting for a few hours, the engine starts up fine, and runs like a champ.

On a warm start, after turning it off, going inside for a few minutes or more, the car throws a CEL (Non disernable after trying to do the hook-up diagnostic... the LED on the computer box is busted) and runs rough. The idle goes up and down and up and down, fluctuating between 100 and 1000 RPM, shaking wildly. If I rev the engine above 1500RPM, it runs smooth and fine, but the CEL is still on.

Spark plugs are all new. Belts are all new. Had a 100K service done to it in January, but the problem existed before all of this.

Any ideas?


On that note, my AC Condenser is frozen solid. Other than buying a $300 AC Unit to replace it, what are my options? I currently have the belt off of the pulley (I was eating up belts before hand) and tightened properly to run everything but the AC.

Thanks a bunch!
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Old 06-15-2010, 09:53 PM   #2
Scooby Specialist
Member#: 236927
Join Date: Jan 2010
Chapter/Region: NESIC
Location: Oakville CT
2015 BRZ 93 LEGacy33
1984 BRAT


Rough idle can be the cause of many things. It would help sooo much if you could diagnose the CEL. Check your MAF sensor, make sure it is still in working order. Check your TPS, make sure it is functioning properly. Also check the Idle Air Control Valve located on the left side of the intake manifold. Check all vacuum hoses. Try to get the CEL diagnosed, that will help you out the most. Hope this helps.
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