make sure your oil is up to level.
In a 2003 Ford Expedition : The ( 2 valve per engine cylinder version ) if that is what you are asking
Check engine light comes on, mileage drops, may end up toasting a cylinder coil which is a cylinder misfire or flashing check engine light.
4R70W - with the 4.6 L engine E4OD - with the 5.4 L engine
There is a failure in the oxygen sensor heater.
I had all sensors replaced in my 03 Trailblazer and the check engine light stiil comes on. Why?
You need to test/replace the knock sensor. ireplaced it already.
The crankshaft position sensor for the 1995 Monte Carlo is located on the front of the engine. It is just to the right of where the crankshaft comes out of the engine.
the sensor is going out
Next to where the upper radiator hose comes out of the engine.
check the crank sensor
Auto Zone will read your engine codes for FREE/ And go from there.
The check engine light for the 2001 Isuzu Rodeo often comes on because of a sensor that is damaged or malfunctioning. The most common sensor is an oxygen sensor and when reset, this often allows the light to be reset.