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R55 :: Clubman Talk (2008+) Discussions revolving around the extended wheelbase Clubman (R55) model.

R55 Advice on cylinder 1 misfire?

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Old Mar 1, 2020 | 05:30 PM
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ronin729's Avatar
ronin729
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Neutral
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From: Oklahoma
Advice on cylinder 1 misfire?
2008 R55 Cooper. Clyinder 1 misfire code, changed plugs, swapped coil packs around, good compression, still throwing code and running rough. Any ideas what else it could be?
thanks
 
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Old Mar 5, 2020 | 01:25 PM
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chadtoolio
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You really need to Oscope the signal wire coming from the DME....Also, do a resistance test on all of the wires from the coil pack to the DME. Sounds like a failed output stage
 
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Old Mar 5, 2020 | 02:09 PM
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chadtoolio
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From: Charleston, SC
also, don't leave out the injector circuit.....3 things make em run-fuel, fire and compression
 
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