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Old 09-07-2009, 10:32 AM   #1 (permalink)
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Default 1998 Forester randomly dies, then AT OIL TEMP light flashes after restart

Appreciate any help i can get on this problem.

I have a 1998 forester and while driving we loose power and the car dies. This has happened several time, both while warm and cold - both miles and just blocks from our house. When i try to restart it doesn't start. Engine will turn over, no power issues, battery and alternator seem fine. If we wait a few minutes and restart it starts up and drives fine, but the AT OIL TEMP lights will flash until we turn the car off again. I don't believe that this is an AT overheating issue, and really don't know where to start. Would love to take this to a shop, but cant afford it right now... Any ideas?
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Old 09-07-2009, 10:39 AM   #2 (permalink)
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also, already checked the ATF, and it is at proper fluid level
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Old 09-07-2009, 10:51 AM   #3 (permalink)
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You should manually check the temp of the transmission fluid immediately after the light turns on. Use a meat thermometer or any probe designed for high temp operation. Not sure what the specs are for a 98 sub but I remember an old Ford I once worked on had a limit of 258 fahreheit or higher. If your temps are significantly lower than this, you probably just have a faulty sensor and not a tranny problem. On the other hand...if your temps are near or higher than this...you may want to get that trans looked at.
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Old 09-07-2009, 10:56 AM   #4 (permalink)
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thanks for the direction. I will check the temp. What sensor would you guess to be the faulty one?
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Old 09-07-2009, 11:29 AM   #5 (permalink)
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Quote:
Originally Posted by giessen View Post
thanks for the direction. I will check the temp. What sensor would you guess to be the faulty one?
There could be a variety of things causing that light to come on...you should check the codes to see if a code was stored that might indicate what the problem is. But at least taking the temp will let you know right away whether you are about to fry your AT or not.

Not sure where you are located but AutoZone stores will usually check codes for free.

Here is a list I think of Subaru trans codes:

DIAGNOSTIC TROUBLE CODES DIAGNOSTIC TROUBLE CODE
DTC Faulty Component
11 Engine speed signal circuit
27 ATF temperature sensor
31 Throttle position sensor
33 Front vehicle speed sensor
36 Torque converter turbine speed sensor
38 Torque control signal circuit
45 Intake manifold pressure signal circuit
71 Shift solenoid 1
72 Shift solenoid 2
73 Low clutch timing solenoid
74 2-4 brake timing solenoid
75 Line pressure duty solenoid
76 2-4 brake duty solenoid
77 Lock-up duty solenoid
78 Sports shift solenoid
79 Transfer duty solenoid
86 VDC communication
93 Rear vehicle speed sensor
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Old 07-16-2011, 02:39 PM   #6 (permalink)
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I have the same problem, tthe AT Oil temp blinking and then engine wont go!! plus e CEL is on, I scan the forester and the only code was "oxygen sensor" PLease Help!!!!! Help me too!!!
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