Why is my Harley check engine light on?
Why is my Harley check engine light on?
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.
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.
How do I get the code off my Harley?
Distinguish between historic and current codes: For times when you want to clear the displayed code to see if it’s historic or current, press and hold the odometer reset button for over five seconds until “clear” shows up. Once the “clear” text appears, release the reset button and turn off your bike’s ignition switch.
How do I identify my Harley engine?
Look on left side of the engine case for the engine number. Harley engines that were made before or in the 1960s have the model year of the engine as the first two numbers of the engine number, which acts as a VIN. Look for a four-digit production code in the last four digits of the VIN.
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 does bus er mean on Harley Davidson?
Used as an input for idle speed control. If Harley Davidson speedometer reads ‘BUS Er’ with the ignition key switch turned ON (engine stop switch at RUN with the engine off), check serial data line for an open or short to ground between diagnostic link [91A] terminal 3 and ICM connector terminal 12.
How many miles can you get on a Harley engine?
It Is Not Unusual for a Harley Davidson Engine To Last 150,000 Miles.
How do I know what S&S motor I have?
Look at the cylinder heads. S&S engines come with cylinder heads stamped “S&S ” on the right side of the engine. “S&S” is also stamped on the right side of the transmission cover.