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

Tiny
DBENDER
  • MEMBER
  • 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
Saturday, September 10th, 2011 AT 12:38 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,772 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
  • MECHANIC
  • 3,411 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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