'99 V70: Code Readings

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Old Mar 31, 2016 | 11:18 AM
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osage's Avatar
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Default '99 V70: Code Readings

V70 LiteTurbo @210K miles

Running 'rough': P0305 ":Cyclinder: 5 Misfire detected

Do the following codes cause P0305?

P1550: Charge Pressure Deviation
P0722: OUtput speed sensor circuit: no signal

Thanks much!
Doug
 
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Old Mar 31, 2016 | 12:47 PM
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P0305s usually point to a plug or a coilpack. First I'd drop in new plugs (OEM/copper cores are best, then I'd swap coils - ie move the #5 pack to #3 and see if you suddenly get P0303 codes... If your coils have 100K or more on them are probably starting to fail where the spark is not hot enough under load.
 
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Old Mar 31, 2016 | 02:02 PM
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osage's Avatar
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Originally Posted by mt6127
P0305s usually point to a plug or a coilpack. First I'd drop in new plugs (OEM/copper cores are best, then I'd swap coils - ie move the #5 pack to #3 and see if you suddenly get P0303 codes... If your coils have 100K or more on them are probably starting to fail where the spark is not hot enough under load.
Thank you. Thank you. Will get into it.
 
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