AutoZone Product & HowTo Info | | Glow Plug

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    Glow Plug

    Glow Plug Operation:

    An electrical plug used to preheat the combustion chamber to aid in starting a cold diesel engine.

    How To Instructions:

    Inspect - Check for obvious problems.
    Test - Give it an in-depth diagnosis.
    Replace - Out with the old, in with the new.

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