Guide : : Does the O2 sensor make the engine check light appear?

Does the O2 sensor make the engine check light appear?

Some times when I turn the car on the rpms are going up and down, and have to turn it off and back on to function right My car has 144000 miles. My car has an automatic transmission.

Research, Knowledge and Information :

Top Five Reasons Your Check Engine Light May Be On

Your Check Engine Light may be indicating a ... (O2) Sensor needs ... Your mass airflow sensor measures the amount of air entering the engine to determine how much ...
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Oxygen Sensor Codes - A Complete Guide On Diagnosing ...

Oxygen Sensor Codes: Avoiding The Common Pitfalls. ... and their related check engine light codes, ... A leak in the exhaust system before the O2 sensor will also ...
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Check Engine Lights and O2 Sensor Codes -

Older Style Ford O2 Sensor O2 sensor codes are often the most troublesome and misdiagnosed check engine light problems. ... Check Engine Lights and O2 Sensor Codes.
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Common check engine lights – BAMA Performance

Below is a list of common check-engine lights that can illuminate after the installation of aftermarket parts. ... O2 Heater Circuit. ... Rear Sensor) If you have ...
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What Does the Check Engine Light Mean? - Consumer Reports

What the check engine light means and what you should ... such as a malfunctioning sensor or a misfiring engine. ... a yellow "check engine" means investigate ...
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Why Did My Car's Check Engine Light Come On? | Angie's List

Is your car's check engine light on? ... For Instance, you may get a code for a catalytic converter inefficiency which may turn out to be a bad O2 sensor.
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Check Engine: Top 10 Reasons This Light Glows - Motor Trend

/ Auto News / Check Engine: Top 10 Reasons This Light Glows. ... The check engine light. ... Replace oxygen sensor: The O2 sensor measures the amount of oxygen in ...
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Jeep Cherokee O2 Sensor Light - Maintenance/Repairs - Car ...

Months later, the check engine light came on again with an O2 code for the front sensor. ... Jeep Cherokee O2 Sensor Light. ... both appear to be in good condition.
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