The check engine code P0128 on a 2004 Lincoln Navigator indicates that the engine is not reaching its optimal operating temperature within a specified time frame. This typically points to issues with the engine coolant temperature sensor, the thermostat, or the engine cooling system. A malfunctioning thermostat that is stuck open or a faulty sensor could prevent the engine from warming up properly, leading to decreased fuel efficiency and potential emissions problems. It's advisable to diagnose and address the underlying issue to ensure optimal vehicle performance.
On a 2003 Lincoln Navigator : The check engine light / service engine soon light is a drawing of an engine located directly under the center of the tachometer
I would check your alternator*(check the spelling).
advance auto or OB II code reader
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For a 2004 Lincoln Navigator, it is recommended to use SAE 5W-20 engine oil. This viscosity provides optimal performance for the vehicle's engine, especially in varying temperatures. Always check the owner’s manual for any specific requirements or recommendations, and ensure that the oil meets the API (American Petroleum Institute) standards.
Check your manual.
The 2014 Lincoln Navigator typically requires 5W-20 synthetic blend engine oil. It's essential to check the owner's manual for specific recommendations and to ensure the oil meets the required specifications. Regular oil changes are crucial for maintaining engine performance and longevity.
Typically, you will use 5 quarts of oil. Check your manual for the correct oil capacity. ======================================================== According to the ( 2004 ) Lincoln Navigator Owner Guide : With engine oil filter change : ( 7.0 U.S. quarts / 6.6 liters of 5W-20 )
Check: NADA.com autortrader.com Kbb.com
If your refering to the engine light been on. Auto Zone will check the codes for FREE. If other lights then we need more details...
Auto Zone will check your engine codes for FREE. This way you will know for sure what it is. It maybe a bad Oxygen Sensor.
A 2010 Lincoln Navigator has an oil capacity of approximately 7 quarts (or about 6.6 liters) when equipped with the 5.4-liter V8 engine, including the oil filter. It's always best to check the owner's manual for the most accurate specifications and recommendations.