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Old 09-26-2000, 08:16 AM   #1
cdanders
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Member#: 2321
Join Date: Sep 2000
Location: Omaha, NE USA
Question Touring Wagon problems

I own a 1993 Legacy Touring Wagon "Turbo". My wife and I love the car except....

There is an intermitant problem with the car. Occasionaly it either dies or cuts out. Usually it happens when the vehicle is warm and you attempt to accelerate. It will act like it is starving for fuel and occasionally it will back fire when you are attempting to revive it.

If it happens on the highway you can usually bring it back to life by coasting and restarting or simply taking your foot off the accelerator and being patient.

The check engine light does not come on and our generic mechanic can find no computer error codes.

Items we have tried:

Replaced the fuel filter
Replaced O2 sensor
Stopped using alcohol enhanced fuel
Used strictly 91 plus octane fuel
Checked fuel pump

Any suggestions would be welcome. I am stumped. I would hate to trade this vehicle because of this problem.
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Old 09-26-2000, 10:28 AM   #2
Shik
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Join Date: Jul 1999
Chapter/Region: Tri-State
Location: Central PA
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2006 GT Ltd 5spd sdn
2015 WRX 6spd CWP

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Cdanders, there are a few things that it could be. A good guess would be the air flow meter since 99 percent of the time they do not throw a code when they go bad. Also, does it act abnormally when just idling or only when you attempt to accelerate as you mentioned.

Knock sensors can cause the car to stumble and hesitate when they are bad but they usually trigger the check engine light. Same goes for the throttle position sensor. When was the last time you changed you plugs(what kind) and wires? Neither of which will cause a check engine light to come on( in the 1st gen Legacys anyway) but both can make a Subaru act like it's posessed, especially bad wires.



[This message has been edited by Shik (edited September 26, 2000).]
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Old 09-26-2000, 11:32 AM   #3
DLC
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Chapter/Region: RMIC
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I agree with Shik on all counts.

The TPS should give a CEL and code but not necessarily. Also replace the Cooltant Temperature Sensor as it can cause wierd things and is ~$20.
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