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Old 03-12-2008, 11:15 PM   #1
sweetdang
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Default Knocking in my 1998 2.2 legacy

My car is knocking a lot when it is cold but once the car warms up the knocking sound is very low, barely noticable. I just recently changed by oil to 10w 40 with a bottle of the lucas oil stabilizer to thicken the oil but the sound is still there. Is my knock sensor dying? Any help would be appreciated.
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Old 03-12-2008, 11:27 PM   #2
gtwagon941
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Quote:
Originally Posted by sweetdang View Post
My car is knocking a lot when it is cold but once the car warms up the knocking sound is very low, barely noticable. I just recently changed by oil to 10w 40 with a bottle of the lucas oil stabilizer to thicken the oil but the sound is still there. Is my knock sensor dying? Any help would be appreciated.
Subarus are notoriously noisy when cold. Just the nature of the beast, especially on a 98...

JS
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Old 03-13-2008, 01:25 AM   #3
Kawikid20o2
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just do a full lucas oil change...thats gotta do somethin. Jk please dont do that.
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Old 03-13-2008, 07:30 PM   #4
sweetdang
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so are 1998 louder than other models, just doesn't seem right
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Old 03-14-2008, 12:45 AM   #5
Kawikid20o2
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'96 BrightonCoupeWRX-SR30

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piston slap...they had this.
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