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Trouble Code: P1258 (4.6L V8 VIN 9 Auto)Engine Metal Over-Temperature Protection
Number of Trips to Set Code:
OBD II Monitor Type: CCM DetailsIndicators: MIL Details
Trouble Code Conditions:
DTC P0117, P0118 and P0125 not set, Engine started; and the PCM detected the ECT sensor indicated more than 270ºF for 10 seconds. The PCM uses the ECT sensor to detect if the engine is running too hot (when the ECT sensor is over 268ºF). If the engine is overheated, DTC P1258 will set. The PCM will disable 2 groups of four cylinders by turning off the fuel injectors. By switching between the two groups of cylinders, the PCM is able to reduce the temperature of the coolant and lower the temperature.
Engine cooling system problem (test the cooling fan operation)
Engine coolant level is low or the mixture is not correct
ECT sensor is out-of-calibration or "skewed"
51 minutes ago
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