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Home >> Subaru >> 2024 >> Outback Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (4 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2B08: Cold Start Cylinder 1 Injection Pulse Performance >> General Description >> Execution Condition

Execution Condition

SECONDARY PARAMETER AND EXECUTION CONDITION - DIAGNOSIS 1

Secondary parameters Execution condition
Battery voltage 10.9 V or more
Injection pulse interval (from finish to start) 4000μs or more
Throttle position Less than 0.25°
Integrated value of intake air amount Less than value of Map
Vehicle speed Less than 3000 RPM
Fuel system status Not during fuel cut
TEMPERATURE SPECIFICATION - MAP

Coolant temperature at first engine start (°C (°F))  -40 (-40)  -30 (-22)  -20 (-4)  -10 (14)  0 (32)  10 (50)  20 (68)  30 (86) 
Integrated value of intake air amount (g (oz)) 947 (33.41) 879 (31) 811 (28.59) 745 (26.27) 669 (23.61) 608 (21.44) 571 (20.12) 578 (20.4)
Coolant temperature at first engine start (°C (°F))  40 (104)  50 (122)  60 (140)  70 (158)  80 (176)  90 (194)  100 (212)  110 (230) 
Integrated value of intake air amount (g (oz)) 708 (24.95) 800 (28.22) 865 (30.51) 936 (33.02) 0 (0) 0 (0) 0 (0) 0 (0)
SECONDARY PARAMETER AND EXECUTION CONDITION - DIAGNOSIS 2

Secondary parameters Execution condition
Battery voltage 10.9 V or more
Injection pulse interval (from finish to start) 4000μs or more
Target injector current More than 4.5A
Throttle position Less than 0.25°
Integrated value of intake air amount Less than value of Map
Vehicle speed Less than 3000 RPM
Fuel system status Not during fuel cut
TEMPERATURE SPECIFICATION - MAP

Coolant temperature at first engine start (°C (°F))  -40 (-40)  -30 (-22)  -20 (-4)  -10 (14)  0 (32)  10 (50)  20 (68)  30 (86) 
Integrated value of intake air amount (g (oz)) 865.001 (33.41) 879 (31) 811 (28.59) 745 (26.27) 669 (23.61) 608 (21.44) 571 (20.12) 578 (20.4)
Coolant temperature at first engine start (°C (°F))  40 (104)  50 (122)  60 (140)  70 (158)  80 (176)  90 (194)  100 (212)  110 (230) 
Integrated value of intake air amount (g (oz)) 708 (24.95) 800 (28.22) 865 (30.51) 936 (33.02) 0 (0) 0 (0) 0 (0) 0 (0)