Cold Start Injectors

October 21, 2019MechVibesblog

Do you get stress up when your vehicle hardly starts at cold temperatures? Cold start injectors are electronically controlled motor component found in most moving vehicles.

They are also referred to as cold start valve. Cold start valves play a vital role in the movement and performance of a vehicle.

It’s a fuel injector found at the intake manifold which helps the engine easier and faster to start by feeding additional fuel to enrich the mixture in the chamber at cold temperatures / winter season.

Besides, the electronically operate valve comes together with an auxiliary air device, operate when the thermo-line switch senses that the engine is cold.

In-terms of wiring, they come with different colors, where it;s been measure in seconds as of normal injectors measured in mil-seconds.

Functions of Cold Start Injectors

  • They help control Idle Speed.
  • Cold Start Valves improve fuel economy.
  • They improve performance and driving comfort.

Symptoms of Bad Cold Start Valve

  • Difficult start.
  • Decrease in fuel economy.
  • Rough Idling.
  • Engine performance issues.
  • High fuel consumption.
  • Leaks in fuel line.
  • Leaks at injectors.


Cold start Injectors is a great help to our vehicles at cold temperatures and also help in improving engine performance.

What ideas or suggestions do you have regarding cold start valves? Let us know your thoughts in the comment section.

Comments (1)

  • Crane

    November 30, 2019 at 5:21 pm

    Nice piece of writing at this website.

Comments are closed

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