P0420 16804
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 catalytic conversion. See
TEST
-ID 01: CATALYTIC
CONVERTER .
P0440 16824
Evaporative Emission System EVAP System
C
hecking Evaporative Emission (EVAP)
canister purge regulator valve -N80-
EVAP canister system checking for
proper seal
Evaporative Emissions (EVAP) system
diagnostic leak test
Note
Overview of component locations
P0441 16825
Evaporative Emission System Incorrect
P
urge Flow
C
heck Evaporative Emission
(EVAP) Canister Purge Regulator
Valve -N80-. See CHECKING
EVAPORATIVE EMISSION
(EVAP) CANISTER PURGE
REGULATOR VALVE -N80- .
E
VAP canister system, check for
proper seal. See EVAP
CANISTER SYSTEM,
CHECKING FOR PROPER
SEAL .
P0442 16826
Evaporative Emission System Leak
D
etected (small leak)
P0444 16828
Evaporative Emission System Purge
C
ontrol Valve Circuit Open
P0445 16829
Evaporative Emission System Purge
C
ontrol Valve Circuit Shorted
P0455 16839
Evaporative Emission System Leak
D
etected (large leak)
P0456 16840
Evaporative Emission System Leak
D
etected (very small leak)
P0501 16885
Vehicle Speed Sensor "A"
R
ange/Performance
C
heck speed signal. See SPEED
SIGNAL, CHECKING .
P0506 16890
Idle Air Control System RPM Lower
T
han Expected
C
heck Throttle Valve Control
Module -J338-. See THROTTLE
VALVE CONTROL MODULE -
J338-, CHECKING .
P0507 16891
Idle Air Control System RPM Higher
Than Expected
P0560 16944
Voltage supply signal implausible
J220 - Motronic Engine Control Module
(ECM)
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 7
To Next Page
Loading...
