Would a weak battery cause S60 to throw codes of misfire?.

Tiny
DBENDER
  • 2005 VOLVO S60
  • 98,000 MILES

2005 s60 2.5T FWD already changed plug w/ OE volvo had original battery in car had tested and only came up to 215CCa under load. Car would rough idle and cut out/stall before having tested. Just finished c/o battery tonite. We'll see tommorrow

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Saturday, September 10th, 2011 AT 12:38 AM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,356 POSTS

It could cause a misfire, but the alternator should have maintained enough voltage to avoid that from happening. Make sure the alternator is maintaining the battery. With the car running, it should be around 14 volts.

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Saturday, September 10th, 2011 AT 1:01 AM
Tiny
JIS001
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  • 2,255 POSTS

Seems like you could have 2 different issues here? But which cylinder is the one misfiring? Ignition coils are very common to fail on these vehicles.

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Saturday, September 10th, 2011 AT 5:25 AM

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