LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2019 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (Except For STI) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0301: Cylinder 1 Misfire Detected >> Execution Condition

Execution Condition

Secondary parameters Execution condition
Battery voltage ≥ 8 V
Fuel shut-off function Not in operation
Engine speed ≥ 400 rpm
to
< 6500 rpm (CVT model)
550 rpm
to
6800 rpm (MT model)
Intake manifold pressure
  • Normal ignition

(Changes based on the engine speed and atmospheric pressure.)
≥ 19 kPa (142.5 mmHg, 5.6 inHg)
to
< 48.3 kPa (362.3 mmHg, 14.3 inHg) (CVT model)
≥ 13.8 kPa (103.5 mmHg, 4.1 inHg)
to
< 43.7 kPa (327.8 mmHg, 12.9 inHg) (MT model)
  • Idle ignition

(Changes based on the engine speed and atmospheric pressure.)
≥ 19 kPa (142.5 mmHg, 5.6 inHg)
to
< 48.7 kPa (365.3 mmHg, 14.4 inHg) (CVT model)
≥ 13.8 kPa (103.5 mmHg, 4.1 inHg)
to
< 50.3 kPa (377.3
mmHg, 14.9 inHg) (MT model)
Time elapsed after engine start ≥ 2 crankshaft revolutions
Following condition A or B is met
A: Engine coolant temperature at engine starting
> -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)
(b2) Engine coolant temperature ≥ 21°C (69.8°F)