Check engine light comes on, mileage drops, may end up toasting a cylinder coil which is a cylinder misfire or flashing check engine light.
There are many symptoms of a bad O2 sensor. Some are poor fuel efficiency, flashing check engine light, the failure to pass a smog test, and rough idling.
it will randomly stall at the stop light
what are the symptoms of bad tdc o2 sensor
The most classic symptom is erratic or rough idling.
not shifting
Surging or stuttering at a particular pedal position such as "the sweet spot" when cursing.
P1131 on an Expedition is a mass air metering error, not to be confused with a mass air sensor. The engine control module cannot see the bank one sensor one O2 sensor switch from lean to rich. Basically, the sensor is either bad or the wiring has a fault or short somewhere between there and the ECM.
You have to describe better which sensor you mean.
There are a few symptoms when a car has a bad cam sensor. A few of these are sputtering, poor acceleration, and the engine stalling.
It is important to recognize when poor performance is due to a bad car part. Symptoms of a bad camshaft sensor are misfiring, hesitation during acceleration, and not starting.
It is important to know the symptoms of a bad car part. The symptoms of a bad crank sensor is acceleration problems, engine sputtering and engine stalling.
A bad crankshaft sensor can have several symptoms. The engine could stall, backfire, be sluggish or not run at all.