Morning/cold weather starts

Asked by Jun 27, 2019 at 12:40 AM about the 1993 Toyota Corolla

Question type: General

Gd day, my car has developed issue of not starting in the morning during cold
weather but starts fine during warm days.
I have changed the spark plugs, spark plug wires, ignition coil, fuel pump, fuel
filter but nothing has changed! i am getting frustrated as i can use it in the
morning!

1 Answer

55,905

When the weather is bitter cold, that affects cars dramatically. The chemical action in batteries is greatly reduced so the starter doesn't get as much electricity and it turns slower. Oil thickens and reduces the spin of internal parts causing more resistance on the oil. Moisture, wherever it is, causes blockages, most troublesome is in fuel where ice blocks flow of gasoline through everything; fuel pump, lines, and even the injector system. Best thing you can do to rectify the trouble you're having is to get a tune-up that includes a review of your entire charging system. And get a battery that offers greater power, especially in cold cranking amps. You might also consider an engine block heater, or at least an automotive grade electric blanket.

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