2018 harley check engine light

Harley Davidson coolant inspection is an important, yet often overlooked, service point on liquid cooled Harley Davidsons. There are two radiators that can be found on Ultra models that support a cooling system. These small radiators are located within the left and right side lower fairings of the motorcycle. Also included in the right side lower fairing, is the cooling system reservoir.

To access the Harley Davidson coolant reservoir, pry the center top of the access panel to release the retainers from the lower right fairing. The Harley Davidson coolant bottle has two lines. Reference the angled full line to check fluid level when the motorcycle is resting on its kickstand. Verify that coolant level in reservoir is at or slightly above the COLD full line.

If the level appears to be below the COLD line on the tank, remove the rubber fill plug and add only genuine Harley Davidson extended life antifreeze and coolant until the fluid level is at or slightly above the COLD line. If the coolant reservoir is empty when the engine is cold, you will need to inspect the system for possible leaks.

If one of these problems exist, it must be correctly repaired before the motorcycle is operated. The coolant can also be tested with a coolant tester. Allow the motor and system to cool and remove the pressure cap. Place a few drops of coolant from the filler neck onto the prism of the coolant tester and hold the prism to light.

The Harley Davidson coolant freeze point will be the mark where the dark area begins on the ethylene glycol temperature scale. Compare the freeze point of the coolant to the anticipated operating or storage temperatures.

Replace if required and replace the pressure cap. Back to the Checklist. Bob LaRosa gives us a great overview on some of the basic tools we need to service our Harley-Davidson from oil-change to custom part install. Bob shows us that tools are only part of…. Although you can clean and service your old spark plugs, Bob recommends just buying new ones because they are fairly inexpensive.

You should purchase gapped, Harley-only spark plugs which usually come with a gap of ,th of an inch.

Tech review of the Harley Davidson charging system. Everyone is at your house and ready to ride. Sportster Maintenance can also bring comfort. Our experts also walk through proper belt services and adjustment on Harley rear shocks.

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Description Harley Davidson coolant inspection is an important, yet often overlooked, service point on liquid cooled Harley Davidsons.The item selected will only fit the motorcycles listed. Please select your bike here to see all the parts that fit your motorcycle.

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Klim Kriega Metzeler Michelin Puig. Perfect for them. Hassle-free exchanges. HOW TO. MOTO Search Products. Garage Select a Motorcycle. Select a Motorcycle. Clear Selection. Year Save Motorcycle. Don't see your motorcycle?

Saved Motorcycles.Click here to cancel reply. Try reading your codes and write them don if trouble. Hold your trip odometer button and turn on. Let go of button and you will enter.

Look at trip odometer. Push 1 time and the p will flash. Push and hold to go into p. A code will show up. Write it down. Then push and hold to clear it. More than 1 code maybe there. Clear the same way. When done turn off ignswitch and give it a try. Good call checking your battery connections. We would suggest doing a charging system test. I have a street glide and my check engine light stays on. What is that and is this an easy fix?

Hi Jerry. Try clearing the code. See if it comes back. Ok I have an 08 electra glide. Engine light came on.That way if you need advice by a dealership you can talk in an educated manner with them about your specific code and solutions. In this video we cover pre and an above models as the procedures a slightly different. As an example, DTC codes can appear for simple things like changing out your stock turn signals to aftermarket signals.

We are absolutely not telling you which codes to clear and that is completely at your own risk. We just want to educate you about DTC's. There are more serious type DTC's and you may want to consult your Harley dealership mechanic. Another simple example is if you flash your engine control module ECM with an aftermarket electronic fuel injection EFI tuner.

There are many DTC's that are produced that are not significant in nature. Many of you are riding around right now with DTC's and are completely unaware and it is not affecting anything.

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Viewing and clearing DTC's: Clear codes at your own risk Make sure you know what you are doing or consult a Harley mechanic. This application is designed for Harley Davidson owners to lookup Diagnostic Trouble Codes DTCs that are reported by the engine and read about what they mean and possible causes and resolutions.

Here is how it works. The application finds the closest match and brings up a list of all codes.

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From there you can enter a detail screen showing the code and useful definitions. You also can then read the documentation from the main page to read more about the codes, possible causes and resolutions.

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Had to adjust my RGS bars after the dealer did some warranty work on the fairing vents and put them back an inch or so. Got in a hurry and forgot to plug the dash back in before buttoning it up. Cycled the ignition and found the gauges unresponsive. Figured it out but had a check engine light on. Looked at other sources and found them ambiguous. Watched yours, walked out to the garage and had the light off in less than 5 minutes.

Just plain awesome Brad!!!! Thanks for the shout out. Shorted Low What are some of the things to look for to fix? I now the steps to clear the code but i want to fix the problem? Please help. Bikes can throw codes when doing bars, as things are unplugged and disconnected. If you clear a code by accident, is there a way to get it back? Would disconnecting the battery or main fuse reset the Computer to possibly bring back these codes? You guys are life savers! I changed the bars and it lit up the codes.

Checked it out, cleared them and all is well.!!!! And help support us at the same time?The orange, engine-shaped icon that flashes in the instrument cluster is its way of letting you know it needs attention.

Sometimes, the fix is cheap and simple. Here are the 10 most common problems that can trigger a check engine light. An engine will keep running even if an O2 sensor needs to be replaced, but it will burn more fuel than usual.

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In the long run, a bad O2 sensor can damage components like the spark plugs and the catalytic converter. It may also cause a car to fail an emissions test.

Finally, keep in mind that most late-model cars have more than one O2 sensor. A loose fuel cap is one of the most common reasons why the check engine light turns on. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure. It turns the carbon monoxide generated during the combustion process into carbon dioxide. Every late-model car that runs on gasoline has a catalytic converter. And as always, keep your eyes and ears open for unusual sounds or discolored smoke coming from the exhaust.

Classic cars have a single coil, but many modern vehicles use one coil per cylinder.

2018 harley check engine light

If your ride has a V8 under the hood, you could have eight separate coils. The monstrous Bugatti Chiron has Speaking of spark plugs, worn or fouled plugs can cause a variety of issues including an engine misfire and hesitation under heavy acceleration. A worn coil can exhibit the same symptoms, and can cause the car to shut off unexpectedly. As its name implies, a spark plug wire transfers electricity from the coil to the spark plug. The vast majority of cars use a single wire per cylinder, but there are models — notably, some older Mercedes-Benzes — with two spark plugs per cylinder, and consequently two wires.

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Symptoms of bad spark plug wires include a rough idle, a noticeable drop in engine performance, and lower gas mileage. The mass airflow MAF sensor monitors how much air enters the engine. Symptoms of an MAF failure include a rough idle, trouble starting, and a sudden change in the position of the throttle pedal.

Reduced gas mileage and stalling can also indicate a MAF problem. It can drain the battery, trigger the check engine light, or even prevent the vehicle from starting. Getting it done right in the first place might cost a little bit more, but the peace of mind that comes with having a fully functional alarm is priceless. Every car has a vacuum system that performs a wide variety of functions.

The brake booster is vacuum-operated, and the vacuum system also helps lower harmful emissions by routing the fumes as gasoline evaporates through the engine. This is the most common cause of vacuum leaks. Other common issues include cracked fittings and loose connections. It directs the hot exhaust gases back into the combustion chambers, which warms up the fuel and makes it easier to burn. It also reduces emissions. The EGR valve can get clogged up or fail entirely.

2018 harley check engine light

Also, note that disconnecting the battery will often reset your stereo system. Modern cars are brimming with high-tech bells and whistles, but you inexplicably still need a separate, aftermarket device to decipher why the check engine light is on. Most motorists simply take their car to the dealership. There are professional-grade code scanners that are more precise but also much more expensive. Alternatively, some auto parts stores will run a diagnostic test for free.

2018 harley check engine light

However, getting a Bluetooth scanner and an app will save you time and money while making you more car-savvy.Fuel Moto does not offer technical support for diagnostic trouble codes.

Background lighting should illuminate, speedometer needle should sweep its full range and indicator lamps battery, security, low fuel, check engine and cruise should illuminate. The word "diag" should then appear. The module that is flashing is the one you are going to check. To move from one letter module to the next, you push the odometer reset button one time. Push the odometer reset button again to view additional codes if they exist.

Part number of module will be displayed.

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NOTE: To determine if a code is current or historic, clear the displayed code by pushing in and holding the odometer reset button longer than 5 seconds until 'clear' comes up.

Release the odometer reset button. Turn OFF the ignition switch. Run your bike and shut it down then recheck the DTC's again by repeating steps 1 to 9. If the code is current it will reappear. On models not equipped with a tachometer "No Rsp" will appear when the tachometer identifier is selected. Manufacturers occasionally suggest that products be advertised at their suggested retail price. Because our price on this item is lower than the manufacturer's "minimum advertised price", the manufacturer does not allow us to show you our price until you place the item in your shopping cart.

Please note that this does not require you to purchase the product. You can easily remove it from your shopping cart if you decide not to buy it. We realize that this is an inconvenience and are regularly working with manufactures on how their policies impact our customers.

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Contact Us We'll reply within 24 hours.It can indicate a major or minor complication, but ignoring it definitely makes the problem worse, leading to costly damage and repair. You can avoid all the hassles if you know the reasons for the light coming on. Nevertheless, it sometimes does not turn off despite solving the glitch.

In that case, you will need to know how to reset Check Engine Light. Most of drivers feel annoyed if the red light of the Check Engine Indicator still does not go away even the fault of the car was fixed.

Check this video to find out how to do these steps properly! Using a scan tool is the easiest way for check engine light reset. If you wonder to know how to turn off check engine light by this way, here are 3 steps for you. You should need a pen to write down the code or codes in the order they were received for future repairs or reference if needed.

The Check Engine Light will turn off if all error codes are cleared. Some scan tools have many capabilities such as freeze frame that notes some sensor readings when a code was set and removing the codes will also remove this file.

Using battery disconnecting technique is an old way to reset check engine light. Here are 3 steps to help you know how to reset check engine light by this method. In this step, you should use a wrench to remove positive and negative cables. Next thing you should do is to press and hold the car horn for about 30 seconds. This action will help to drain any.

After disconnecting the battery cables and draining remaining electricity, all you have to do is to wait about 15 minutes then re-install the car battery cables. The error codes should be deleted which will cause the engine light to turn off. Note: this method may not word on all car computers. In case, the car battery is disconnected and the light comes right back on, this may show an active problem and should be addressed and fixed.

You just have to put the key into the ignition and turn it on and off for three times in a row with the gap of a second in each step. After you are done, drive the car to see if the light is reset.

Another way of how to reset check engine light is letting it go off by itself. The computer system in most cars keeps rechecking the problems that activate the light in the first place. However, if it still stares at you after three days, you have to apply the methods mentioned above to reset it.

It can come back within a few days or weeks, which may signal a major complication. If it keeps happening despite following the resetting procedures, you should take the car to a service center and have it diagnoses by a professional mechanic.

Such a repair shop uses more sophisticated tools to find out the exact problems. Hopefully you may know How to reset check engine light by DIY methods through this article. If you have any question, leave us a comment on the box below, we will answer it for you.

Tsukasa Azuma is an awesome car blogger of Car From Japan. He owns a car repair shop at downtown Osaka, and he put all that experience to good use in his sharing posts. Login with Google. Likes Followers Followers. Import used cars directly from Japan. Maintenance Tips. By Tsukasa Azuma Last updated May 15, Tsukasa Azuma.