Signs of a bad ignition switch could include dashboard lights that come off and on, problems with the vehicle starting and a switch that is hot to the touch. A bad ignition switch can mimic other problems that are seen in a car, such as a faulty motor starter.Know More
A vehicle that does not click when it is turned over may have a bad ignition switch. If the lights on the dashboard turn on when the car is stalling, it is probably not the ignition switch. Lights that do not turn on when the ignition switch is turned to the second position is one of the surest signs that an ignition switch is bad. A bad starter will not affect the way that the dashboard warning lights come on.
An overheating ignition switch can be a big problem in cars, especially older models. The wires that connect the ignition switch to the controls of the car can become warped and can begin to put out too much energy. If the ignition switch is hot, these wires are probably overreacting and are arching in a way that does not let them connect. A car that has an overheating ignition switch should always be taken to a professional due to the risk of electrical fire in the dashboard.Learn more about Car Parts & Maintenance
Signs of a faulty catalytic converter include reduced fuel economy, excess engine heat, and impaired engine or exhaust performance. A visible fuel vapor over the carburetor intake, performance changes after the removal of oxygen sensors and increased carbon emissions from the converter are also warning signs.Full Answer >
Symptoms of a bad ignition module are sudden engine stalling or power loss while the car is in motion, engine stuttering accompanied by a smell of gasoline and an inability to restart the engine following a stall. Decreased gas mileage is also a sign of a compromised ignition module.Full Answer >
The ignition switch sends voltage through all of the components that start the engine. An ignition switch is found inside the steering column of a vehicle and is connected to the lock cylinder. When the key is turned to the on position, voltage flows from the battery to the starter and distributor.Full Answer >
An ignition interlock device is a piece of equipment installed in a vehicle into which the driver must breathe before he can start the vehicle. If the device detects a blood alcohol level above a certain limit on the driver's breath, the car does not start.Full Answer >