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  #1  
Old 01-30-2017, 02:38 PM
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1998 W140 with Codes P0303 and P0304

My S320 has 220K on it and the check engine light can on for my wife. She was able to get in home stumbling with no power. I checked the codes and it came up with P0303 and P0304.


Is this an issue with the center coil?

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1998 S320, 225k, Black on Black
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  #2  
Old 01-30-2017, 06:35 PM
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Those are misfires from the #3 and 4 cylinder.
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Old 01-30-2017, 08:39 PM
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I knew it was a misfire. I'm asking if the middle coil pack runs the third and fourth cylinder on the s320
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  #4  
Old 01-30-2017, 09:08 PM
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Yes

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90 300TE 4-M

Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
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A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
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90 300CE 104.980
Milled & ported head, 10.3:1 compression
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