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Old 02-21-2000, 09:30 AM   #1
aross
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Unhappy Legacy Check Engine Light

Hi everyone,

I have a 90 Legacy with a check engine light on - only when warm and restarting it usually clears it. Dealer thinks to change all the ignition module$$. Does anyone here know it this is true and know of a cheaper source?

Thanks

aross - newbie
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Old 02-21-2000, 09:47 AM   #2
Miller3339
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check your O-2 sensor first.
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Old 02-21-2000, 09:50 AM   #3
aross
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Question

Miller,

Where should I get it from.. Dealer said it was not that piece!!

Aross
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Old 02-21-2000, 10:33 AM   #4
Miller3339
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did he check it?? I know that the Check light is fed from a few different sources.

Jamie, do you have Mike at Smart services E-mail??

Miller
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Old 02-21-2000, 11:36 AM   #5
Subie Gal
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aross -
go to http://www.smartservice4u.com

email Mike - the owner/operator with your problem and ask him for a diagnosis... he will not mis-lead u and will know if the others are...

good luck!!
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Old 02-21-2000, 06:47 PM   #6
Shik
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aross, what exactly is the car doing differently, if anything? The main causes for "check engine" lights on the early Legacys were water temp sensors and cpc solenoids, neither being too big of a deal. It could be many other things but these are the most common.

What are these "igniton modules" this guy is talking about? The only things I could thing of are the coil pack, igniter, and/or crank and cam angle sensors. chances are you would surely notice driveability problems with the first two and the second two, the car is unlikely to start( sometimes it will, sometimes it won't).

I would definately check around before you let this cat go changing things...at your expense!
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Old 02-21-2000, 07:04 PM   #7
aross
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Thumbs down

Shik,

That is what I thought. Drivablity is not changed much if I continue to drive with the Check Engine light on.
I was told that it may not start or stall if I do not replace the components.
Can anyone recommend a repair location in the Toronto Area!!

Aross
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Old 02-22-2000, 12:01 AM   #8
Ben
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Aross, try Downtown Subaru at 601 Easten Ave. Tell Conway that Ben Send you there and he may give you discount on those repair or check!!
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Old 02-22-2000, 07:14 AM   #9
Paisan
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Usually the O2 sensor.

-mike
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Old 02-22-2000, 05:25 PM   #10
AlpineSport
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Had same symptoms on 94 Legacy...,didn't come on 'till warm. Turned out to be dead anti-knock sensor. Could tell because car "dogged" it pulling long uphills, evidently timing retards when knock sensor malfunctions??? May or may not help. Good luck!
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Old 02-23-2000, 07:09 AM   #11
aross
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Smile

Took it to Downtown Subaru as per Ben's recommendation, Conway replaced the CPC valve?? No check engine light!!!!

Gave discount and great service.
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Old 02-23-2000, 09:36 AM   #12
Submerk
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I think Shink is right. Do you have aftermarket air intake? Go to the shop that has computer diagnostic. It is better than guessing. I had the same problem, so I went to the dealer. They told me to change the water temp and throttle position sensor. And the problem is gone.
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Old 02-23-2000, 10:43 AM   #13
PerformanceAutoSolutions
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DO ME A FAVOR--GO BACK TO THE DEALER AND
GET THE CODE FROM THE SELECT MONITOR-DEALER
SCAN TOOL-AND I WILL TELL YOU WHAT IT IS.
THERE IS NO CODE IN THAT SYSTEM FOR A
IGNITION MODULE.
DAVE
M.S.P.T
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Old 02-23-2000, 02:53 PM   #14
Shik
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aross, glad to hear you got it straightened out. Just for the record, I have yet to see a bad CPC solenoid cause the car to stall or not start( not to say it can't ever happen but...). Just to be safe, I'd stay away from that first guy you took it to. Thank goodness for the Legacy Forum!
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