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Idle Air Control Valve - Stepper Motor 1.6VVT 2004

Engines


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Old 14th March 2010   #1
lotussam
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Idle Air Control Valve - Stepper Motor 1.6VVT 2004

Hi, could anyone advise if there is an Idle air control valve or stepper motor on a 1.6 VVT Scenic engine 2004? When I start the car from cold I have to give it some throttle so it keeps running. With steady pressure on the throttle the revs rise and fall all by themsleves. After a while (1-2 mins) it all settles down. Starting from hot it is fine. Friend mentioned the above valve but can't find any details on the 2004 1.6 VVT. Any help or ideas on how to fix greatly received. Thanks

Last edited by lotussam; 14th March 2010 at 03:40 PM. Reason: Add detail
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Old 14th March 2010   #2
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Re: Idle Air Control Valve - Stepper Motor 1.6VVT 2004

Hello,

I don't know if there is a stepper motor on the 1.6 16v VVT K4M engine but I would imagine there would be an idle control valve. You mention you have to give it some revs to start it from cold. Do you get a rattle like noise on start up.

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I don't have a garage just a driveway. The Modus 1.6 16v VVT Dynamique Auto is my Grandparents car which I also drive.
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Old 14th March 2010   #3
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Re: Idle Air Control Valve - Stepper Motor 1.6VVT 2004

It could possibly be a faulty engine coolant sensor whereby the ECU thinks the engine is always hot and not add additional fuel or extra rpm when cold.
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Old 15th March 2010   #4
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Re: Idle Air Control Valve - Stepper Motor 1.6VVT 2004

Thanks for your suggestions. It doesn't make a rattling noise when it starts. I will look at the engine coolant sesnor. Thanks for your ideas.
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