Question about 1997 Subaru Legacy

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1997 Subaru Legacy GT 2.5L

I have the check engine light on speradically. The car doesn't seem to drive much different when it is on, then when it turns off. Any idea what this could be?

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  • subaruleg22 Sep 26, 2008

    i have the same problem with my legacy 2.2 GX took it to subaru showing error code knock sensor i thought it was due to the fact that only 1 radiator cooling fan was kicking in not both it is in subaru tomorrow for the knock sensor to be replaced lets see what happens. i still think it is due to the cooling fans.

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Check the knock sensor.

The light comes on when you climb a hill, accelerate quickly or do anything that advances the timing a lot and the knock sensor doesn't hear the knocks (pinging). The engine timing is not retarded, so you get a misfire.

The computer turns off the CEL if it sees the car start and run with no misfire of this nature 4 times in a row.

Posted on Sep 02, 2008

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