Q7 Quattro V8-4.2L (BAR) (2008)
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Fuel: Customer Interest
Fuel System - MIL ON/DTC P0300/P0301-P0310 Stored
01 MIL on (P0300 and/or P0301 - P0310 stored in ECM)
20 10 03
2022030/2
June 2, 2010
Supersedes Technical Service Bulletin Group 20 number 09-09 dated November 10, 2009 for reasons listed below.
Affected Vehicles
Condition
^ MIL on.
^ One or more of the following DTCs are stored:
^
DTC P0300 (Random/Multiple Cylinder Misfire Detected).
^
DTC P0301 - P03010 (Cyl.1 Misfire Detected - Cyl.10 Misfire Detected).
Technical Background
Low fuel quality in combination with a short distance driving cycle allows hydrocarbons to form carbon deposits.
Deposits interrupt tumble for efficient fuel / air mixture, causing cold start misfire.
Production Solution
Not applicable.
Service
1. Add fuel additive G 001 700 03 or G 001 770 A2 directly into the fuel tank, following the mix ratio. For example, 120 ml per 30 liters gasoline, 300
