E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

How to replace o2 sensor?

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Old Jan 5, 2009 | 02:09 PM
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cennilli's Avatar
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e420
How to replace o2 sensor?

I hate taking my car to the stealership!!! I took my 1997 E420 to autozone for a check engine light check and the results were: cylinder misfire #7 and catalyst efficiency low-bank #1 (o2 sensor). I just need help with the procedure for changing an o2 sensor
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Old Jan 5, 2009 | 02:13 PM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
First

what was the code?How many miles on the car?You may need to check the cats also.
Let's start from there and proceed.
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Old Jan 12, 2009 | 10:38 AM
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02 sensor

I dont know what the cats is? the code is P0422 and P0307. I took it to autozone and that was on the receipt. as far as the miles, 145000. The car drives rough. When its in drive, and your stopped at a stop light for example, the car feels like its shaking. Now I did replace two of the cylinders at the stealership approx 7 months ago. I seen an universal O2 sensor online http://www.car-stuff.com/carparts/me...W45e4a7e90676a
They sell both the 2 and 4 wire. The thing is, they are selling it for $20. Im kinda spectical because all the other stores are selling it between $90 & $115. Can I use these? http://www.car-stuff.com/carparts/me...sos-40001.html

If yes, then heres a cheap place to get them, if not then does any one have a better lead?
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