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04 x
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71 Posts
Discussion Starter · #1 · (Edited)
I recently had the shuddering issue so I replaced my spark plugs which fixed the problem but now I am smelling raw fuel and my gas is just being burned up. I don't think its a leak. I most likely messed up my cats with driving it so much running rich. I believe my o2 front sensor is causing this problem any ides? Car has 140,000 miles



also any ideas or tips on checking out the car for other problems, im working on my car today and need a list of things to do slash things to buy haha
 

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2005 Impreza RS Wagon Auto
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3,658 Posts
If you don't think the fron O2 sensor was ever replaced, it probably would your economy to get a new one for it to start.
 

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04 x
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71 Posts
Discussion Starter · #3 ·
how much does a front o2 sensor cost from the dealership because Im thinking of just buying it and replacing it myself
 

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2005 Impreza RS Wagon Auto
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3,658 Posts

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04 x
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Discussion Starter · #8 ·
where is the front o2 sensor located i think i found it infront of the first cat is this correct? has a yellow wire.
 
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