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Old 10-24-2000, 06:41 AM   #1
akuhner
Scooby Specialist
 
Member#: 462
Join Date: Oct 1999
Chapter/Region: Tri-State
Location: Westport, CT
Vehicle:
2005 Saab 92x Aero
No more rally car...

Question Check Engine Light?

While at the N-S Smackdown in Camden on Sunday my check engine light came on and won't go off. The car runs and sounds normal. My only thought is that it just passed 78,000 miles that morning so it must be a "time-for-dealer-inspection" light. Does anyone know if our cars use the check engine light to remind us of scheduled maintainance?

Thanks,

Alex
MY98 RS - no engine mods.
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Old 10-24-2000, 06:51 AM   #2
Chuck
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1998 Impreza RS
Brilliant Red

Post

I didn't have a check engine light at 78k. Probably an o2 sensor or something. If one of them dies, it throws a check engine and uses pre-coded fuel maps, so your car runs fine. Just tstop at your dealer and ask if they can read the code. If it is a o2, say thank you, order one from subaruparts.com and put it in. It'll take you 2 minutes to install.
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Old 10-24-2000, 10:36 AM   #3
akuhner
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2005 Saab 92x Aero
No more rally car...

Post

Chuck - Thanks for the info. Anybody know of a good Subaru dealer around the Philadephia area (preferably Center City or Bala Cynwyd)? I work right across from Don Rosen, but he was so bad that SOA took away his Subaru franchise. Could someone like RalliSpec read the code?

Alex
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Old 10-24-2000, 10:38 AM   #4
SRI Performance
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1997 subaru
green and yellow

Exclamation

my check engine came on during a rally and i found out that my Weapon-R intake bracket snapped in half and the vibration probably kicked it on, when i put it back together then it went off, so i thought i was screwed but i guess not and it runs fine
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Old 10-24-2000, 11:08 AM   #5
Subi Chicky
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Post

With no mods, I can almost bet you money that it's an 02 sensor.
Just from work experience (VW/Audi/Mazda/Suzuki) 99% of all check engine lights indicate 02 sensors on non-modded cars.

EDIT: Spelling

[This message has been edited by Subi Chick (edited October 24, 2000).]
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Old 10-24-2000, 03:50 PM   #6
akuhner
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Member#: 462
Join Date: Oct 1999
Chapter/Region: Tri-State
Location: Westport, CT
Vehicle:
2005 Saab 92x Aero
No more rally car...

Smile

Thanks for the advice, guys. I guess I'll just skip to the point and get an O2 sensor. How do I go about ordering and installing one myself? (please remember you are talking to someone who had never taken a wrench to a car before dropping the intake silencer out of the fender ).

Thanks,

Alex
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Old 10-24-2000, 04:55 PM   #7
wac
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2005 Outback 2.5 XT
Champagne Gold Opal

Post

Alex,

Why don't you just call Rallispec? They may even have an extra one on hand.

While you're waiting for your O2 sensor, try resetting your ECU and see if the CE light comes back on.

-WaC
Wayne
97 OBS
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Old 10-24-2000, 05:20 PM   #8
KC
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00 Honda S2000

Post

Ummm did you check the obvious gas filler cap C/E light problem?

3-clicks to close the cap. Any less and it may cause a C/E light.

Reset the ECU and see if it comes on again.

--KC
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Old 10-24-2000, 05:53 PM   #9
Dolphin Overton
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Post

It just so happens I am taking my car to the dealer on friday to get the check engine light taken care of. I have no engine mods and only 4900 miles(only change the oil once). I have heard it is probably the o2 sensor. My dads Audi did the same thing at about the same mileage. I tried resetting the ECU but it comes back on about two days afterward.
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Old 10-25-2000, 06:42 AM   #10
akuhner
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Member#: 462
Join Date: Oct 1999
Chapter/Region: Tri-State
Location: Westport, CT
Vehicle:
2005 Saab 92x Aero
No more rally car...

Smile

Well, I guess I'll try re-setting the ECU when I get home tonight. I'd do it now, but I'm "working." I'll post what happens.

Thanks KC and Wayne!

Later,

Alex
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Old 10-25-2000, 08:09 AM   #11
AndyHidley
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2002 WRX
Blue

Post

I hear alot of talk about bad O2 sensors. Which one is USUALLY the bad one, the one in the front or the rear one?
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Old 10-26-2000, 06:50 AM   #12
akuhner
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Member#: 462
Join Date: Oct 1999
Chapter/Region: Tri-State
Location: Westport, CT
Vehicle:
2005 Saab 92x Aero
No more rally car...

Question

Well, I reset the ECU and the check engine light has gone off, but we will have to see how long that lasts.
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