How to diagnose a starter motor problem?
Provides a procedure to follow to diagnose starter motor problems. One measurement I didn’t have time to add was to verify the solenoid operation by measuring the voltage drop across it while triggered. When you turn the key to START and you get 12V on the trigger wire, put one volt meter probe on the big silver solenoid battery cable nut .
What happens when you stop pressing the starter button?
Starter stays on after engine started. When you start your engine and release the key or stop pressing the starter button on a modern vehicle, the circuit is supposed to close, which will discontinue power to the starter motor.
What does the engine start / service warning light mean?
Engine Start / Service DASHBOARD WARNING LIGHT This exclamation mark in a triangle symbol will illuminate in red to inform the driver that a service is due. If it illuminates in yellow, it signifies that the engine will start next time the start/stop button is pressed, possibly without the brake or clutch being depressed.
What should you do if your engine malfunctions?
It is a sign that your vehicle’s engine is misfiring. The issue is a major one and you should stop the engine immediately to prevent serious damage. For instance, it might cause the catalytic converter to overheat and even cause a fire.
What are the most common engine start malfunctions?
These are the most common start malfunctions you’ll experience when flying turbine powered airplanes. 1) Hot Start If the engine experiences unusual difficulty accelerating during start, a hot start may occur. There won’t be enough airflow to cool the initial combustion of fuel within the engine.
Why does the main engine not start when started?
Operating trouble shooting -Main engine does not fire when started . Operating trouble shooting -Main engine does not fire when started .
When does a no starter cutout condition occur?
According to the FAA, a no starter cutout condition exists when the start selector remains in the start position or the engine start valve is open when commanded closed.
What to do if your small engine won’t start?
Determine why your small engine won’t start by checking your fuel levels, spark plug, carburetor, valve & compression levels and more. Follow along to troubleshoot and learn when it’s best to service your engine.
What does 0.1v mean on a car starter?
When triggered, you should see less than 0.1V between the two cable nuts on the solenoid. If you measure more than this then the solenoid electrical contacts inside are pitted or worn out and this is preventing enough current from flowing in the starter to make strong enough torque to turn the engine.
Can a bad battery cause an ignition cylinder to fail?
If the battery is not bad, then you may have an ignition cylinder issue. This may come in the form of a connection issue, or some kind of other mechanical failure. There may also be a problem with the starter. Only further testing will tell.
What to do if your ignition system won’t start?
IGNITION SYSTEMS – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.
What should I do if there is no power to the ignition?
1) Battery is good. 2) Battery cables and connections are good. 3) Stop or kill switch was taken apart and tested. 4) Circuit breakers for ignition, instruments, lights, accessories, and main breaker were tested for continuity. 5) Continuity of wires from ignition switch to main breaker were tested.
What to do if your starter does not work on a Harley Davidson?
If the voltmeter did not provide a 12-volt reading, there is a problem between the starter and the starter button. Turn the ignition switch to the “Off” position and remove the seat from the motorcycle, using either a flat-head screwdriver or by unscrewing the seat bolt by hand.
Can a bad ignition switch cause a car to not start?
by Jonathan Lister. The ignition switch in Ford vehicles is responsible for handling the electrical signals related to starting the vehicle. A failing ignition switch can cause system-wide problems ranging from the ability of the car to start, to maintaining speed and even keeping the radio turned on.
Is there any power to the ignition switch?
I noticed that I had power from the accessory mode of the ignition switch. Horn, brake lights, turn signals have power. Bike is at home. This is what I tested (most with a meter) and cleaned: 1) Battery is good. 2) Battery cables and connections are good. 3) Stop or kill switch was taken apart and tested.