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My Check Engine Light Keeps Coming On And Off
My Check Engine Light Keeps Coming On And Off. Drive your car and let the light go off by itself. The check engine light came on.

I checked the code and it said an ox sensor on bank (whichever) was bad. The light is off because the pcm moves the information about the fault to history, and continues checking the problem. It’s easily the quickest fix for a check engine light on and off intermittently.
It’s Easily The Quickest Fix For A Check Engine Light On And Off Intermittently.
Turn off the engine vehicle. It usually goes on when idle. I checked the gas cap, but nothing changed so i took it in to have the codes read.
One Saying The Fuel Cap May Be Open (It Wasn't) And One Saying The Thermostat Stuck Open, Or Thermostat Sensor Was Going.
If the check engine light starts blinking, then you have a code that can cause damage, at least to the cat anyway. So into my local dealer for a fix. I checked the connection and all was well.
So You Might Check There
So about a month or so ago. In a perfect world, you’ll find that a check engine light on and off intermittently is. We start a new drive cycle and if the test that turned the light on does not run the mil may turn off.
My Check Engine Light Went On.
I've checked oil and coolant nothing seems wrong but the light comes on and goes into limp mode. I checked the code and it said an ox sensor on bank (whichever) was bad. I suspected they would just change out the sensor.
The Light Is Off Because The Pcm Moves The Information About The Fault To History, And Continues Checking The Problem.
Came back with 2 codes. It most likely has a loose gas cap, a faulty oxygen sensor, bad spark plugs, or a faulty mass airflow sensor, among others. Check engine light coming on & then off.
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