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Help :) - Cylinder misfire 4.2L V8

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Old 02-20-2013, 12:38 PM
  #1  
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Default Help :) - Cylinder misfire 4.2L V8

Today I got the EPC light and the exhaust light warning in the dashboard.
The VAG COM tell me this (did two readings/cleared all DTC1s):

1. READING
Address 01: Engine Labels: 077-910-560-BFM.lbl
Part No SW: 4E0 910 560 E HW: 4E0 907 560
Component: 4.2L V8/5V G 0040
Revision: 00000000 Serial number: AUX3Z0C0307848
Coding: 0011773
Shop #: WSC 00210 218 81611
VCID: 234E06B1E28F70001C7

3 Faults Found:
16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 001 -
16685 - Cylinder 1
P0301 - 001 - Misfire Detected
17718 - Cyl. 10 Ignition Circuit
P1310 - 001 - Short to Ground
Readiness: 0110 1101

2. READING
Address 01: Engine Labels: 077-910-560-BFM.lbl
Part No SW: 4E0 910 560 E HW: 4E0 907 560
Component: 4.2L V8/5V G 0040
Revision: 00000000 Serial number: AUX3Z0C0307848
Coding: 0011773
Shop #: WSC 00210 218 81611
VCID: 234E06B1E28F70001C7

3 Faults Found:
16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 001 - - MIL ON
16685 - Cylinder 1
P0301 - 001 - Misfire Detected - MIL ON
17718 - Cyl. 10 Ignition Circuit
P1310 - 001 - Short to Ground - Intermittent
Readiness: 0000 0000

What does the difference in this readings mean? Readiness and MIL ON??
Also, what does Cyl. 10 mean?
And last how do I find the numbers on the cylinders? To check the spark plug in cylinder 1?

-A-
Old 02-20-2013, 01:06 PM
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Cylinder 1 is on the left, closest to the front end of the vehicle.

Looks like a bad coil pack to me.
Has the TSB ever been done for that [think free coil pack/labor] ?
Check VIN here http://www.audiusa.com/us/brand/en/o...in_lookup.html

Readiness: http://www.ross-tech.com/vcds/tour/readiness.html
The Readiness Code is a set of 8 bits, each of which corresponds to one monitored emissions "system" in an OBD-II car. When all readiness bits show "Passed", it means that all systems have been checked and have passed the on-board tests. The Readiness screen shows the name of the script in the title bar and under the [Set Readiness] button, or gives a reason why [Set Readiness] is disabled when that is the case.
See also here http://audiforum.us/threads/engine-t...detected.9041/
Old 02-20-2013, 02:48 PM
  #3  
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Badly worn spark plugs ( shortened electrode causing too large of a gap) can cause this. My son had this on his TT he just bought. Put in some pullout plugs from my Beetle and all is well. The gap was almost .1"
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