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Trouble Codes > P Code Definitions > Generic non-manufacturer-specific P code definitions > P0351 – P0362

P0351 – P0362

P0351 – P0362 Ignition Coil A-L Primary , Secondary Circuit Malfunction

If you have a P0351 – P0362 Ignition Coil A-L Primary , Secondary Circuit Malfunction trouble code, read this to understand what it means

Each ignition coil is built with two bobbins of wire. The primary coil has fewer windings than the secondary coil. The primary coil induces an electrical field into the secondary coil. When the primary current is shut off, the electrical field collapses. Because the secondary has so many more windings, it converts the electrical field into very high voltage. That voltage travels down the ignition wire and jumps the spark plug gap, igniting the air fuel mixture. These trouble codes indicate a problem with either the primary or secondary circuits. Coil A is the coil for #1 spark plug.

 

© 2012 Rick Muscoplat

Posted on by Rick Muscoplat

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