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Guest
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2010 328xi coupe. I am getting an intermittent misfire & check engine light but only under load. My Indy guy says code read "misfire cylinder 4" but couldn't replicate the error. CEL resets after car is restarted Your thoughts? Coil on #4 perhaps? If so Bosch or Delphi?
__________________ This post was auto-generated based upon a question asked on our tech article page here: BMW E90 Spark Plug and Coil Replacement | E91, E92, E93 | Pelican Parts DIY Maintenance Article |
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02-16-2017, 09:24 AM
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Moderator
Join Date: Jan 2015
Posts: 127
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Yes, swap the coil to cylinder 1 and drive it until the fault comes back, then see if it followed the coil.
- Casey |
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02-16-2017, 09:24 AM
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How many miles on the spark plugs? My 2006 claimed that it had 40,000 miles left on them but when I pulled them they clearly needed replacing. Cured my misfire on two cylinders.
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1987 944 Summer 2006 E90 Winter |
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02-20-2017, 02:36 PM
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Porsche 944
