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Home >> Subaru >> 2021 >> Crosstrek Sport >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Control System (HEV) (Diagnostics) (2 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0304: Cylinder 4 Misfire Detected >> General Description >> Execution Condition

Execution Condition

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Secondary parameters Execution condition
Battery voltage 8V or more
Fuel shut-off function Not in operation
Engine speed 850rpm -5900rpm
Intake manifold pressure More than value of Map1
Elapsed time after fuel injection 2 crankshaft revolution or more
Following condition A or B is met  
A: Engine coolant temperature at engine starting More than -7°C (19.4°F)
B: Following conditions (b1) and (b2) are met  
(b1) Engine coolant temperature at engine starting -7°C (19.4°F) or less
(b2) Engine coolant temperature 21°C (69.8°F) or more
BAROMETRIC PRESSURE SPECIFICATIONS - MAP 1

  Barometric pressure (kPa (mmHg, inHg))
66.7 (500, 19.7 inHg) 73.3 (550, 21.7 inHg) 82.7 (620, 24.4 inHg) 101.3 (760, 29.9 inHg)
Engine speed (rpm) 1000 rpm 20 (149.8, 5.9 inHg) 21 (157.3, 6.2 inHg) 22.6 (169.6, 6.7 inHg) 25.7 (192.9, 7.6 inHg)
1200 rpm 19.3 (144.4, 5.7 inHg) 20.9 (156.7, 6.2 inHg) 22.4 (168.3, 6.6 inHg) 25 (187.4, 7.4 inHg)
1600 rpm 18 (134.7, 5.3 inHg) 19.6 (147.1, 5.8 inHg) 20.9 (156.4, 6.2 inHg) 23.5 (176.3, 6.9 inHg)
2000 rpm 17.8 (133.6, 5.3 inHg) 19.3 (144.8, 5.7 inHg) 21.5 (161.0, 6.3 inHg) 23.9 (179.2, 7.1 inHg)
2400 rpm 18.7 (140.1, 5.5 inHg) 19.9 (149.5, 5.9 inHg) 21.8 (163.3, 6.4 inHg) 24.5 (183.5, 7.2 inHg)
2800 rpm 19.1 (142.9, 5.6 inHg) 20.2 (151.4, 6 inHg) 22.1 (165.5, 6.5 inHg) 25.1 (188.1, 7.4 inHg)
3000 rpm 19.5 (146.2, 5.8 inHg) 20.8 (156.0, 6.1 inHg) 22.4 (167.7, 6.6 inHg) 25.7 (192.6, 7.6 inHg)
3200 rpm 20.4 (153.1, 6 inHg) 21.7 (162.9, 6.4 inHg) 23.3 (174.6, 6.9 inHg) 26.6 (199.5, 7.9 inHg)
3600 rpm 22.3 (166.9, 6.6 inHg) 23.6 (176.7, 7 inHg) 25.1 (188.4, 7.4 inHg) 28.4 (213.3, 8.4 inHg)
4000 rpm 24.1 (180.7, 7.1 inHg) 25.4 (190.5, 7.5 inHg) 27 (202.2, 8 inHg) 30.3 (227.1, 8.9 inHg)
4400 rpm 25.9 (194.5, 7.7 inHg) 27.2 (204.3, 8 inHg) 28.8 (216.0, 8.5 inHg) 32.1 (240.9, 8.5 inHg)
4800 rpm 27.8 (208.3, 8.2 inHg) 29.1 (218.1, 8.6 inHg) 30.6 (229.8, 9 inHg) 34 (254.7, 10 inHg)
5200 rpm 29.6 (222.1, 8.7 inHg) 30.9 (231.9, 9.1 inHg) 32.5 (243.6, 9.6 inHg) 35.8 (268.5, 10.6 inHg)
5600 rpm 31.5 (235.9, 9.3 inHg) 32.8 (245.7, 9.7 inHg) 34.3 (257.4, 10.1 inHg) 37.6 (282.3, 11.1 inHg)
5900 rpm 32.8 (246.2, 9.7 inHg) 34.1 (256.0, 10.1 inHg) 35.7 (267.7, 10.5 inHg) 39 (292.6, 11.5 inHg)
(kPa (mmHg, inHg))