Conditions for Running the DTC

P0191 - Condition 1

• The engine is not cranking.
• The ignition voltage is greater than 11 V.
• The vehicle speed is less than or equal to 1 km/h (0.62 mph).
• The low side fuel pressure is greater than or equal to 250 kPa (36 psi).
• The Accelerator Pedal Position is 0 percent for 2.5 s.
• The engine is running for greater than 30 s.

P0191 - Condition 2 and 3

• The engine is not cranking.
• The ignition voltage is greater than 11 V.
• The engine speed is between 1, 000 - 3, 000 RPM.
• The vehicle speed is greater than or equal to 35 km/h (22 mph).
• The low side fuel pressure is greater than or equal to 250 kPa (36 psi).
• The Desired Fuel Rail Pressure is between 4 - 6 MPa (580 - 870 psi).
• The Accelerator Pedal Position is greater than or equal to 10 percent.
• The engine is running for greater than 30 s.

P0191 - Condition 4

• DTC P0016, P0017, P0090, P0091, P0092, P00C8, P00C9, P00CA, P0101, P0102, P0103, P0106, P0107, P0108, P0111, P0112, P0113, P0114, P0116, P0117, P0118, P0119, P0122, P0123, P0128, P0192, P0193, P0201, P0202, P0203, P0204, P0222, P0223, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0300, P0301, P0302, P0303, P0304, P0335, P0336, P0340, P0341, P0351 - P0354, P0365, P0366, P0506, P0507, P0628, P0697, P06A3, P0722, P0723, P1248, P1249, P124A, P124B, P1682, P2122, P2123, P2127, P2128, P2135, P2138, P2147, P2148, P2150, P2151, P2153, P2154, P2156, P2157 is not set.
• The engine is not cranking.
• The vehicle speed is greater than or equal to 30 km/h (18.64 mph).
• The engine speed is greater than or equal to 2, 000 RPM.
• The barometric (BARO) pressure is greater than 70 kPa.
• The intake air temperature (IAT) is warmer than -20°C (-4°F).

P0192 or P0193

• The engine is running.
• The ignition voltage is greater than 11 V.
• The DTCs run continuously within the enabling conditions.