TT Roadster L4-2.0L Turbo (BPY) (2008)
Fuel: Technical Service Bulletins
Fuel System - Driveability Associated With Fuel Quality
00 08 22
2014753/4
December 18, 2008.
Supersedes Technical Service Bulletin Group 00 number 08-11 dated November 24, 2008 for reasons listed below.
Affected vehicles
01 Gasoline quality
Condition
The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more of the following conditions:
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Excessive accumulation of deposits on intake valves, intake manifold, fuel injectors and combustion chambers.
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Engine runs rough after cold start.
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Excessive engine cranking time.
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Hesitations while driving.
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Rough engine idle.
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Loss of engine performance.
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Poor fuel economy.
Conditions may be severe enough to illuminate the MIL in conjunction with storage in the ECM data memory of DTCs for misfire (example: P0300,
P030x) and / or lean fuel system (example: P0171, P0174, P1128, P1130, P1136, P1138).
Technical Background
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Condition may be caused by use of contaminated gasoline.
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Condition may be caused by use of gasoline with a low content of deposit control additives.
Production Solution
Not applicable.
Service
If use of contaminated gasoline is suspected:
Consider advising the customer to change gasoline source (brand/gas station). Contaminated gasoline may exhibit one or more of the following
characteristics: