Readers ask: Is My Engine Light Supposed To Be On When Riding My 1999 Harley Davidson?

Why is my check engine light on my Harley?

According to Harley, the most common reason for a check engine light to trigger is a loose gas cap. The oxygen sensor will actually trigger the check engine light if it detects abnormalities with the way your engine is burning fuel, Harley said. However, a faulty oxygen sensor can also trigger the check engine light.

Does check engine light always come on?

The check engine light illuminates, stays on, and there are performance problems. This means that a vital component of your emission control and engine management system has a serious problem. It usually involves a component or system needed for the vehicle to run at all.

Why did my engine light come on while driving?

Oxygen Sensor A faulty oxygen sensor will return a check engine warning every time. In fact, it’s one of the most common reasons why a check engine light comes on while you’re driving your automobile.

How do you reset the check engine light on a Harley Davidson?

With the engine switch on the off position and the run/stop switch in the run position, push the odometer trip reset button and hold. While holding the reset button, turn the ignition switch to IGNITION, then release the odometer reset button.

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Can low oil cause the check engine light to come on?

Low oil pressure: If your car is low on oil, it can cause your check engine light to go off. This is often shown in its own glowing light along with the check engine light on the dashboard. Overheating: If your car’s engine temperature is heating up, it can once again trigger the check engine light.

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.

How bad 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.

What does a yellow engine light mean?

Check your dashboard gauges and lights for indications of low oil pressure or overheating. These conditions mean you should pull over and shut off the engine as soon as you can find a safe place to do so. On some cars, a yellow check engine light means investigate the problem and a red one means stop right now.

Where can I go to get my check engine light checked?

Solving check engine light problems

  • Take your car to a mechanic and pay a diagnostic fee. Often, the fee is waived if you agree to have the necessary service performed at that garage.
  • Bring your car to an auto parts store and have the code read for free.
  • Buy an inexpensive scanner and read the code yourself.
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What is a Tssm?

Acronym. Definition. TSSM. Two-Spotted Spider Mite.

What does the ECM do on a Harley?

Flashing the ECU / ECM – Your Engine Control Unit (ECU) also referred to as the Engine Control Module (ECM) is the computer that controls key functions related to your engines performance such as your Air / Fuel Ratio (A/F), variable valve timing, etc.

What is code P0572 mean?

The P0572 code is a generic diagnostic trouble code (DTC) generated by the central computer of your vehicle, which is the engine control module (ECM). This code is defined as “ Cruise Control / Brake Switch ‘A’ Circuit Low” and indicates a malfunction in the cruise control or brake switch.

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