check engine light on but car runs fine reddit

A burnt or bent valve worn piston rings or valve timing that is off will cause a. Ad Quality and Expertise.

Car Warning Lights Guide To Warning Lights On Your Dashboard

A loose or bad gas cap is the most common cause of lighting up a check engine light on the dashboard.

. The function of a gas cap is to entirely seal. My check engine light. Your car has sensors designed to check the seal of the gas cap as it must be able to contain the fumes of evaporated gas.

The car may have issues like a loose tank cap or even a broken one unchanged oil for a long time presence of air in the gas washing the engine lately etc. 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. Below is the explanation of these.

However the other day. 2006 Tuscon Check Engine light just came on car running fine. Check engine light comes on but car runs fine Posted by DrunkPenguin Mar 2 2006.

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. Flashing indicates engine misfire which can cause severe damage to some expensive components and in some cases could. Perhaps you forgot to tighten the gas cap.

Dear friend-filling the tank has nothing to do with the engine lightin order to cancel this lightdisconnect the battery. A check engine light that turns when your car is running fine means there are problems in its electrical system or issues in its emission system. If the light is flashingblinking then you should avoid driving it.

Let VW Handle Your Service Repair. Ad Quality and Expertise. These problems can range from faults within the electrical system the engine fluid.

The check engine light could illuminate for a number of reasons the 5 most common being your. If these sensors detect a bad seal theyll throw a code. There are many systems on the car.

It notably prevents gasoline fumes from leaving. Let VW Handle Your Service Repair. The whole purpose of the check engine light is to illuminate whenever there is a problem.

Originally the oil was about a half qt low so I filled it up and reset the. For many drivers with older cars its a likely reason the Check Engine Light came on.

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