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Discussion Starter · #1 ·
Until recently, the glo plug light would only be on a couple of seconds when I start my truck for the first time each day. Now it stays on 20-30 seconds before going out. After the engine warms, the glo plug light just barely flashes when I turn on the ignition. Should I be concerned about how long the glo plug light is on when I turn on the ignition the first time each day? Thanks.
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