Is it normal for A6 2.7T
 

<center><img src="http://www.freewebs.com/chrishong1208/maf.JPG"></center><p>Is it normal???

My car lose power,

Also, i got code misfire and EGT

18014 - Rough Road/Engine Torque Signal from ABS: Electrical Malfunction

P1606 - 35-00 - -

17865 - Exhaust Gas Temp Sensor 2 (G236): Open or Short to Plus

P1457 - 35-00 - -

16684 - Random/Multiple Cylinder Misfire Detected

P0300 - 35-10 - - - Intermittent

16688 - Cylinder 4: Misfire Detected

P0304 - 35-10 - - - Intermittent

16689 - Cylinder 5: Misfire Detected

P0305 - 35-10 - - - Intermittent

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thoughts inside
 

1. You sure you have the correct ECU in?
2. Your EGT sensor is bad - replace both of them to be safe.
3. Your misfires could come from several things - search the B5 S4 archives for suggestions.

Here is LOG file for MAF
 

LOG for MAF<ul><li><a href="http://www.freewebs.com/chrishong1208/LOG.CSV">LOG FOR MAF</a></li></ul>