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check engine, subaru dealership scam?
Posted 18 March 2004 - 01:05 AM
I have a 91' Legacy 2.2L (169K miles) that the check engine light has been on for about 1 year. Half a year ago I checked the diagnostics (connected the cables under the steering wheel) and recieved about ten codes that didn't make much sense. Recently I took the car to the dealership and they said that they can't figure out why the light is on and suggested that we change the computer for ~$850!!! The wagon runs great but I need to get an emission test, In CA the light has to be off but functional (ie. comes on with first turn of the ignition) any suggestions?
The previous owner said that one time the light was on and the dealership said that it was b/c she had overfilled the gas tank. They charged her ~$100 and turned it off.
Thanks in advance,
Posted 18 March 2004 - 04:30 AM
Take a note of any codes stored and post them here.
Posted 18 March 2004 - 08:00 AM
Posted 18 March 2004 - 09:38 AM
Also to reset the ecu you can pull the EGI/TCU fuse for 30 min. I believe it's fuse # 14 in the dash fuse panel.
Once you have the ECU cleared....recheck the codes and see what comes up.
Posted 19 March 2004 - 10:55 AM
My chilton manual has information about a pressure switch but no pressure sensor. Any help will greatly be appreciated.
Posted 19 March 2004 - 11:38 AM
Where are you in San Mateo? I am on South Fremont.
Posted 19 March 2004 - 06:48 PM
Does the light immediately come on after resetting the ECU....or does it take a while?
If it doesn't immediately come on, you could try resetting the ECU close to the emissions place and hope it doesn't go on.
Since your car is OBD1, they can't plug into it and figure drive cylces, etc.
Posted 27 March 2004 - 12:25 AM
And I big thanks to Josh for pointing to his website where I could find out the somewhat complicated (to me) procedure for reading, clearing, and resetting codes.
Our son has an '87 GL-10 turbo 5-speed wagon, I have an '86 GL carbed 5-speed wagon, and our daughter recently purchased a '90 Legacy FI 5-speed wagon. All super cars. The "check engine" light has been on since Jenny bought the Legacy. I tried to use the procedure in the Haynes manual and failed to even locate the wire they said should either be disconnect or connected... frustrating. Your description, Josh, is clear, concise, and complete, and I'm now confident I'll be able to find the necessary wires under the dash and resolve the check engine light problem.
Much obliged to this forum. Sincerely, Rick Johnson
Posted 27 March 2004 - 12:55 AM
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