Conditions For Running DTC
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- DTCs P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052, P0056, P0057, P0058, P0116, P0117, P0118, P0121, P0122, P0123, P0125, P0128, P0131, P0132, P0133, P0134, P0135, P0136, P0137, P0138, P0139, P0140, P0141, P0150, P0151, P0152, P0153, P0154, P0155, P0156, P0157, P0158, P0159, P0160, P0161, P0221, P0222, P0223, P0442, P0443, P0444, P0445, P0447, P0448, P0449, P0451, P0452, P0453, P0455, P0506, P0507, P1271, P1277, P1278, P1282, P1283, P1511, P1516, P1519, P1523, P1526, P1530, P1551, P2100, P2101, P2107, P2119, P2122, P2123, P2127, P2128, P2138, or P2176 not set.
- EVAP purge solenoid is commanded to a certain duty cycle.
- EVAP vent solenoid is commanded off.
- Engine is at idle.
- Vehicle speed is zero MPH.
- Engine load is less than 35 percent.
- ignition 1 voltage is more than 11 volts.
- Engine Coolant Temperature (ECT) at engine start-up is 40-131°F (4-55°C).
- Intake Air Temperature (IAT) is 40-140°F (4-60°C).
- The long term FT cells learned (if not learned, engine must run longer than 16 minutes and 45 seconds).
- Fuel level is 2.4-13.4 gallons (9.1-50.7 liters).
- FTP is -7.23 and 3.61 in. H2O (-13.5 and 6.75 mm Hg).
DTC P0446 diagnostic runs once per ignition cycle.