Typical Malfunction Thresholds

Except PZEV:

62.94 seconds or more: Engine coolant temperature at engine start -8.34°C

(17°F) or more

135.32 seconds or more: Engine coolant temperature at engine start -8.34 to -

19.45°C (17 to -3°F)

20 minutes or more: Engine coolant temperature at engine start less than -

Time until actual engine coolant temperature reaches closed-

19.45°C (-3°F)

loop fuel control enabling temperature

PZEV:

52.5 seconds or more: Engine coolant temperature at engine start -8.34°C

(17°F) or more

97.56 seconds or more: Engine coolant temperature at engine start -8.34 to -

19.45°C (17 to -3°F)

20 minutes or more: Engine coolant temperature at engine start less than -

19.45°C (-3°F)

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