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Home >> Subaru >> 2005 >> Outback R VDC Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO U5 (PZEV))) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0442 Evaporative Emission Control System Leak Detected (Small Leak) >> Enable Condition

Enable Condition

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0.04-inch Diagnosis 

ENABLE CONDITION

Secondary Parameters Enable Conditions
Battery voltage >/= 10.9 V
Barometric pressure >/= 75.1 kPa(563 mmHg, 22.2 inHg)
Accumulated time of canister purge 120 seconds or more
After engine starting 856 seconds or more
Learning value of evaporation gas density </= 0.08
Engine speed 1050 <-- --> 6000 RPM
Fuel tank pressure >/= -4.00 kPa (-30 mmHg, -1.18 inHg)
Intake manifold vacuum (relative pressure) < -26.7 kPa (-200 mmHg, -7.87 inHg)
Vehicle speed >/= 32 km/h (20 MPH)
Fuel level 9.6 Lambda 54.4 <-- --> (2.54 <-- --> 14.37 US gal, 2.11 <-- --> 11.97 Imp gai)
Closed air/fuel ratio control In operation
Fuel temperature -10 <-- --> 45°C (14 <-- --> 113°F)
Intake air temperature >/= -10°C (14°F)
Pressure change per second < 0.13 kPa (0.95 mmHg, 0.04 inHg)
Min. pressure change per second - Max. < 0.23 kPa (1.7 mmHg,
pressure change per second 0.023 inHg)
Fuel level change <3.0 Lambda (2.1 US qt, 1.8 Imp gal)/128 milliseconds
Air fuel ratio 0.76 -1.25

0.02-inch Diagnosis 

0.02-INCH DIAGNOSIS CHART

Secondary Parameters Enable Conditions
(At starting a diagnosis)  
EVAP. diagnosis Not finished
Battery voltage >/= 10.9 V
Atmospheric pressure >/= 75.1 kPa(563 mmHg, 22.2 inHg)
Since last incomplete diagnosis event of 0.02-inch leakage > 600 seconds
Accumulated time of canister purge >/= 120 seconds
After engine starting 770 second or more
Fuel temperature -10 <-- --> 55°C (14 <-- --> 131°F)
Or engine coolant temperature at engine start < 40°C (104°F)
And time after engine start < 2400 seconds
Fuel level 9.6 <-- --> 54.4 Lambda (2.54 <-- --> 14.37 US gal, 2.11 <-- --> 12.00 Imp gal)
Intake manifold vacuum (relative pressure) < -8.0 kPa (-60 mmHg, -2.36 inHg)
Fuel tank pressure -0.43 - 1.43 kPa (-3.2 -10.7 mmHg, -0.13 -0.42 inHg)
Vehicle speed >/= 68 km/h (42 MPH)
Closed air/fuel ratio control In operation
Engine speed (During diagnosis) 550 <-- --> 6000 RPM
Fuel level change </= 5 Lambda (1.3 US qt, 1.1 Imp qt)
Pressure change per second < 0.06 kPa (0.44 mmHg, 0.02 inHg)
Min. tank pressure change per second - < 0.07 kPa (0.51
Max. tank pressure change per second mmHg, 0.02 inHg)
Tank pressure change per second </= 0.1 kPa (0.75 mmHg, 0.03 inHg)
Pressure change (Mode D) -0.47 <-- --> 0.32 kPa (-3.5 <-- --> 2.4 mmHg, -0.14 <-- --> 0.09 inHg)
Pressure change (Mode E) -0.32 <-- --> 0.32 kPa (-2.4 <-- --> 2.4 mmHg, -0.09 < -h > 0.09 inHg)