Digital Edition Of February ImportCar Magazine Is Now Available – UnderhoodService

Digital Edition Of February ImportCar Magazine Is Now Available

A digital version of the February issue of ImportCar is now available on-line. Access the easy-to-view digital version that features articles on Nissan Driveability and Check Engine Light Issues, Brake Copper Update, How Ride Height Affects Toe Angle, Solving Transmission Electronic Control Problems With In-the-Car Diagnostics, Indirect TPMS, a host of tech tips on import nameplates, and more!

 

A digital version of the February issue of ImportCar is now available on-line.

CLICK HERE to access the easy-to-view digital version that features articles on Nissan Driveability and Check Engine Light Issues, Brake Copper Update, How Ride Height Affects Toe Angle, Solving Transmission Electronic Control Problems With In-the-Car Diagnostics, Indirect TPMS, a host of tech tips on import nameplates, and more!

Plus, Get Instant Access to Advertisers and Product Information Through Our New “Rapid Response” Program!

You can get free product and service information from the companies featured in this issue by simply going to www.icRAPIDRESPONSE.com and clicking on the company from which you want information.

Rapid Response directly connects you to the product and service information you see in the advertisements and in the product section of this magazine. You no longer need to mail in a reader service card to obtain such information.

Simply click on the link below, which will give you instant access to the companies featured in ImportCar.

www.icRAPIDRESPONSE.com

For customer service, email us at [email protected]

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Ignition Coil Output

To see inductance inside the primary windings, use an amp probe placed around the positive wire for the ignition coil.

Kilovolts or kV is the unit used to measure the output of an ignition coil. Some coils can output 20kV to 40 kV. So, how does an ignition coil turn system or battery voltage into these huge voltages? The answer is inductance. 

The ECM provides the voltage to the primary coil winding. The primary winding might have 100 turns around the coil’s core or plates. When the voltage to the coil is turned off, a magnetic field collapses. The collapsing field will generate more than 100 volts thanks to inductance. The energy is transformed by the windings in the secondary with inductance again, but thanks to the 10,000 windings, the voltage is boosted to 40kV at the spark plug’s electrodes. The best way to see inductance inside the primary windings is to use an amp probe placed around the positive wire for the ignition coil. With this setup, you can see the current ramping in the coil and the collapse of the magnetic field. 

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