check engine light on but car runs fine reddit

Possible causes of the check engine light to come on are. Yeah the car can run fine.

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There are many systems on the car.

. Failing Catalytic Converter Malfunctioning Vehicle Diagnostics Gas Cap Issues Bad Spark Plug or Plug. 1 Bad Idle Air Control Valve. Press J to jump to the feed.

It can be a nonserious issue like a loose fuel cap Vacuum leak etc. 3 Dirty or Faulty MAF Sensor. A loose or bad gas cap is the most common cause of lighting up a check engine light on the dashboard.

If the check engine light is on it is not always a serious issue. The codes are shift solenoid and o2 sensor. 5 Bad CamshaftCrankshaft Position.

2 Bad Vacuum Leak. Check engine light on but car runs fine There are three ways to reset a check engine light. Originally the oil was about a half qt low so I filled it up and reset the.

2 Mar 21 2013 A check engine light usually means a sensor failed with the emissions system or something has gone wrong and it was flagged. Disconnect the battery wait approximately 30 minutes reconnect the battery. 4 Faulty Ignition System.

1 Bad Throttle Position Sensor. A bad gas cap is one of the cheapest and easiest causes of a check engine light. It notably prevents gasoline fumes from leaving.

However the other day. Serious issues such as Spark plug Bad spark plug wires. 14 possible causes of the check engine light being on but the car running fine are.

Jun 30 2020 Top 10 Reasons Your Car Hesitates When Accelerating or Driving. Common Reasons a Car Starts Then Shuts Off. The check engine light could illuminate for a number of reasons the 5 most common being your.

Check engine light comes on but car runs fine Posted by DrunkPenguin Mar 2 2006. 3 Faulty Fuel System. If your check engine light comes on and you have no symptoms the cars running fine your temperatures are normal its not hard to start then schedule to.

The check engine light is on in my car 01 solara but it has no problems actually driving. If these sensors detect a bad seal theyll throw a code and activate the check engine light. The function of a gas cap is to entirely seal.

My check engine light. You will have to. Defective Oxygen Sensor Mass Airflow Sensor MAF needs replacement Fuel Economy Spark PlugsPlug Wires are Faulty.

At a minimum something as simple as your gas cap may be loose to a failed sensor wiring connector or worse yet a larger engine problem.

Why Is My Check Engine Light On Autozone

Reset A Check Engine Light At Your Own Risk

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My Check Engine Light Went On And So I Took My Car To Auto Zone And They Said It Was My Catalytic Converter Does This Mean My Converter Needs To Be Replaced