engine check light

I have a 1997 outback that looks better than the day I bought it new. I changed the oil on Saturday, and today, Tuesday, the check engine light came on. Upon looking around, I found that one hose to the back pressure transducer had come loose. I must have knocked it loose cleaning the engine. I tried to clear the failure code by turning the ignition switch on and off three times and starting on the forth time. I had a new transducer and replaced it. Again I tried to clear the code. I've checked the oil fill cap, and fuel fill cap...tight HELP!

Thanks,

Captain Marty

Reply to
<olsen386
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Have you tried disconnecting the battery for awhile and turning on the dome lamp to reset the ECU? I believe it can take as long as 30 minutes for it to completely clear out, but it might be worth a try. Otherwise,see if its the same code being set, you might have installed a "new" faulty transducer.

-Kurt

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Reply to
Kurt C. Hack

Cycling the key will not clear the code. Assuming the condition that set the code has been corrected, it will take a few "driving cycles" for the light to go out. This means you actually have to drive the car not just turn the key on and off.

Reply to
mulder

Doing this is not really the best idea. Although this will make the light go out, when you do a full reset by disconnecting the battery it also clears out all the learned data in the ECU for fuel and timing, and sets everything back to the default values. The learning process then has to start all over again. This may have a negative impact on performance and economy until the learned values return to where they were. The light should either be allowed to go out on its own, which it will do if the problem has been fixed, or cleared with a scan tool which will clear the code without affecting stored ECU data.

Reply to
mulder

Reply to
Edward Hayes

Autozone will check the code, but the one I used this weekend couldn't clear the code. Maybe because they had a generic scanner only. 15 minutes with the battery disconnected and some pushing the brake pedal and turning the ignition key cleared it.

You WILL lose your radio presets and time...

Florian

Reply to
Florian Feuser /FFF/

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