Audi AMB - Page 6

 C
heck exhaust system for proper
seal. See EXHAUST SYSTEM,
CHECKING FOR LEAKS .
 C
heck Secondary Air Injection
(AIR) system for proper seal. See
SECONDARY AIR INJECTION
(AIR) SYSTEM, CHECKING
FOR PROPER SEAL .
 C
heck vacuum lines for leaks
P0172 16556
System Too Rich, Bank 1
 C
heck fuel pressure regulator and
residual pressure. See SYSTEM
PRESSURE AND RESIDUAL
PRESSURE, CHECKING .
 C
heck fuel injectors. See FUEL
INJECTORS, CHECKING .
 C
heck Oxygen Sensor (O2S) and
oxygen sensor control before Three
Way Catalytic Converter (TWC).
See HEATED OXYGEN
SENSOR (HO2S) -G39- AND
OXYGEN SENSOR
REGULATION BEFORE
CATALYTIC CONVERTER,
CHECKING .
 C
heck Oxygen Sensor (O2S) and
oxygen sensor control behind Three
Way Catalytic Converter (TWC).
S
ee OXYGEN SENSORS AND
OXYGEN SENSOR
REGULATION BEHIND
CATALYTIC CONVERTER,
CHECKING .
 C
heck Evaporative Emission
(EVAP) Canister Purge Regulator
Valve -N80-. See CHECKING
EVAPORATIVE EMISSION
(EVAP) CANISTER PURGE
REGULATOR VALVE -N80- .
P0201 16585 Injector Circuit/Open - Cylinder 1
 C
heck fuel injectors. See FUEL
INJECTORS, CHECKING .
P0202 16586 Injector Circuit/Open - Cylinder 2
P0203 16587 Injector Circuit/Open - Cylinder 3
P0204 16588 Injector Circuit/Open - Cylinder 4
P0221 16605
Throttle/Pedal Position Sensor/Switch
"B" Circuit Range/Performance
 Check Throttle Valve Control
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 4
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