Question: Can water cause check engine light?

Can water make your check engine light come on?

Too Much Water



Water can turn even the simplest part of driving into a hassle. If it has recently rained, or you’ve gone through a rather large puddle, there may be excess water in your engine. Don’t worry though, this issue fixes itself over the course of a handful of miles.

Why does my check engine light come on when it rains?

So, be aware that this can happen when it rains a lot because it could be dripping water into unusual areas like on the spark plugs. … So, if your check engine light comes on and your gas cap is on tightly, then you should probably check the spark plugs for any issues.

How serious is check engine light?

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.

Will check engine light come on for bad spark plugs?

1. Your check engine light comes on. Worn spark plugs or spark plug wires can trigger your check engine light to come on. … This can help save you from costly repairs, as driving with misfiring spark plugs could put undue stress on your car’s catalytic converter (the engine’s exhaust cleaner).

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How long can you drive with check engine light on?

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.

Can a blown fuse cause the check engine light to come on?

A check engine light can be caused by a fuse.

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