Probably caused by water from the car wash getting somewhere it shouldn’t be. I have seen car washes cause misfires. Usually these codes clear them selves once the water evaporates and the vehicle goes through several drive cycles without a repeat of the issue. Then the light goes out on its own.
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Can water cause check engine light?
In some instances, vehicles check engine lights will turn on after water is detected in the fuel system. This happens after a sensor relays a message to the onboard computer.
Can heavy rain make your check engine light come on?
“I actually had three customers come in,” said Kotter. “They all had check engine lights come on.” Kotter said drivers complained of misfiring, stalling and other issues that are typical during a heavy rain. “It gets in the belts, gets on the engine, gets the electrical,” said Kotter.
Will BMW check engine light reset itself?
Since most BMW models use a Condition-Based Servicing system, your check engine light should reset itself automatically if and when the offending issue has been resolved.
What should I do after driving through water?
After exiting water, test brakes at low speeds Once your car is out of the water, make sure everything is working properly, especially your brakes. Indiana State Police say the water may affect your brakes. To make sure they’re still working properly, try braking at low speeds once out of the water.
How do you know if your engine is flooded with water?
You can tell if your engine’s flooded when you spot these signs: Very fast cranking (the engine sounds different when you turn the key โ usually a ‘whirring’ sound) A strong smell of petrol, especially around the exhaust. The car doesn’t start, or starts briefly and cuts out again.
Can I drive my car with a engine light on?
This is a sign you should stop driving and have your car looked at by a mechanic as soon as possible. Use your best judgment on whether to call a tow truck or drive yourself to a nearby repair shop.
Should I be worried if my engine light is on?
Whether solid or blinking, when your “check engine” light has come on, it’s best to take it to the repair shop. The light could indicate any number of things, most of which will require a mechanic to diagnose and address. Your car’s performance is computer-monitored more than you might think.
Why does my check engine light come on after driving for a while?
A problem with either your spark plug wires or the spark plugs themselves could cause your check engine light to come on. Ignoring this problem may lead to a clogged catalytic converter, damaged ignition coils, or problems with your oxygen sensor.
Why is my engine light on but nothing seems wrong?
If nothing seems to be acting strange, then it is probably safe to drive it until you can get it into a mechanic. Sometimes the light may come on after fueling if the gas cap is a little loose. Or it could mean your catalytic converter needs to be inspected.
What does a solid check engine light mean?
A Steady Light is a Warning A steady light means something is wrong or about to go wrong, but it is not a dire emergency. It could be something as simple as a sensor going bad, which normally is an inspection issue and nothing more.
How urgent is the check engine light?
Do not delay. Continuing to drive with the check engine light on can potentially cause serious damage and costlier repairs. Moreover, you will likely see diminished fuel efficiency and performance of your vehicle. You should bring your vehicle to a qualified service center as soon as possible.
Is it OK to drive BMW with check engine light on?
A steady glow typically means something less serious but a flashing check engine light indicates that your vehicle’s engine is in serious trouble and service is needed immediately. If your check engine light is flashing in your BMW, we highly recommend not to drive the vehicle and schedule BMW service today.
How many miles do you have to drive to clear a check engine light?
To make sure the check engine light does not reappear, it’s recommended that you drive your car 30 to 100 miles. This enables the vehicle’s “Drive Cycle” to reset, as the various sensors need time to recalibrate.
How do you reset the check engine light on a BMW without a scanner?

What happens to your car when you drive through high water?
If you drive through that high water, your engine can hydro lock. This is when the engine stalls. See your vehicle’s engine acts like a vacuum cleaner and sucks all the water through the air intake. The water gets into the cylinders where the pistons freeze, stopping your engine.
What happen if water gets in your engine?
If water enters the engine it can lead to bad things. If there’s water in your engine, it leads to compression issues because there’s no place for the water to go. Piston rods will begin to bend and eventually break.
What happens if water enters car engine?
When water enters the engine through the air intake, it normally causes severe damage to the pistons and cylinders. The worst thing you can do in this situation is turn on the engine โ unless you want a completely totaled car.
How long does it take for water to mess up a car?
Water can ruin electronics, lubricants, and mechanical systems. It may take months or years, but corrosion can find its way to the car’s vital electronics, including airbag controllers. Consumers need to carefully inspect any used car before buying one (or pay a mechanic to do it).
Can you fix an engine that has water in it?
The certainty of fixing water-submerged engines is low. Most are unfixable due to major damages and prolonged and deep submersion. For minor issues, though, once it’s water-free and troubleshot properly, you can use it already.
How do I get water out of my engine block?
- Remove the lower radiator hose and catch the draining coolant in a bucket.
- Remove the top radiator hose and flush the system out with a normal hose.
- Continue until the water runs clear out of the bottom of the engine.
- Refill with coolant and reattach the radiator hoses.
Will check engine light go off by itself?
A check engine light will shut itself off if the condition that caused it is remedied. So, if your converter is marginal, and you did a lot of stop-and-go driving, which creates high demand for the converter, that may have turned on the check engine light.
What is the most common reason for the check engine light to come on?
The emissions/exhaust system is the most likely culprit for many check engine lights being illuminated. There could be an exhaust leak or a problem with the catalytic converter. The mass airflow sensor (MAF) is another sensor that is easily tripped or can fail.
What does an orange engine light mean?
A flashing orange light means that there is a problem that could affect how the car drives or handles, such as an engine misfire. You might be able to feel your car shake, or the engine could suddenly sound different. If this light comes on, you should take your car to be inspected immediately.
What causes a BMW engine light to come on?
Distinctive acknowledged reasons for a Check Engine Light are faulty emissions control part, dirty mass airflow sensor, damaged oxygen sensor, faulty head gasket, a malfunction with the fuel injection system, or defective spark plugs to name a few.