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      01-14-2013, 03:59 PM   #5
Mike Benvo
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Drives: Harrop M3 / F10 M5 / F82 M4
Join Date: Apr 2008
Location: SoCal

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2B3C - P0308: Misfire with cutoff, cyl. 8 (Cylinder 8 Misfire Detected)

3.3V in miss window for at least 5 ms
(K_AUSS_NS_TIME_MAX) or for entire miss window

1. Check spark plug, interchange with other plug or replace
to localize malfunction.
2. Run compression check.
3. Inspect cylinders to determine whether coolant and engine
oil are entering.

2B49 - P0308: Misfire impairing exhaust emission, cyl. 8

No spark detected in ionic current signal

1. Check spark plug, interchange with other plug or replace
to localize malfunction.
2. Interchange ignition coil with other coil to localize
malfunction, replace as indicated.
3. Check plug and wiring harness to ignition coil.

The other two faults are as a result of one or both of these two main ones.

Hope this helps
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