Check Your Gas Cap. This is the most common reason a check engine light comes on. It’s an easy fix, too. Simply access the gas cap, remove it, and replace it. Then make sure it’s seated in place.

When your check engine light comes on, this could be as simple as tightening or replacing your gas cap. One of the most normal and many cause is that your Ram 1500 gas cap is loose, damaged or missing. The gas cap for your Ram 1500 serves multiple purposes.

To reset a RAM 1500 check engine light, all you have to do is: Disconnect the negative cable from your battery. Wait 20 minutes. Reconnect the negative cable.

When the check engine light is solid, you can typically drive the car for hundreds of miles without an issue. Of course, that depends on which code is stored in the vehicle’s computer. If an engine sensor is faulty, the car will usually use made up sensor values to keep running.

The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car’s engine computer that something is wrong. If the light begins flashing, however, it indicates a more serious problem, such as a misfire that can quickly overheat the catalytic converter.

Can you drive a car with the engine light on? It’s okay to drive for a few miles, but be sure to schedule an inspection of the engine as soon as possible. If the check engine light comes on while you’re driving, don’t panic! Just be sure to have your car inspected as soon as possible after the light turns on.

1. Your Car Needs an Oil Change. An illuminated check engine light is the first warning sign that your vehicle needs an oil change. It can activate because the oil is too dirty or when there’s not enough flowing throughout the engine.