Good morning,
The one sensor that is temperature variant is the coolant sensor. That tells the PCM the engine temperature and adjusts the fuel mapping accordingly.
This may be the issue but needs to be verified by using a scan tool and monitoring the temperature being sent to the PCM.
Roy
REMOVAL PROCEDURE
NOTICE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
1. Turn the ignition switch OFF.
2. Relieve the coolant system pressure.
3. Disconnect the ECT sensor electrical connector.
4. Carefully back out the ECT sensor.
INSTALLATION PROCEDURE
1. Coat the threads (only) with sealer.
2. Install the ECT sensor. Tighten the ECT sensor to 25 Nm (18.5 lb. Ft.).
3. Connect the ECT sensor electrical connector.
4. Refill the engine coolant system.
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Thursday, July 1st, 2021 AT 11:18 AM
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