Polo 1.9TDi cold start fast idle issue

Shivbeanz · Post by **Shivbeanz** » Wed Sep 27, 2017 1:40 pm

Hi guys,

For as long as I can remember, when cold starting my car, the car would idle at +-1000rpm and then drop to 800rpm after a few minutes of idling or blipping the throttle.
Recently when cold starting, the car immediately idles at 800rpm. I changed the thermostat a few months ago as the temp gauge on the dash never reached 90, changing the thermostat solved that.
Just wondering if this is a major issue and if anyone else has experienced this?
Other than this the car feels normal, just annoying my OCD as I know it used to do this "fast idle" before.
Any advice will be appreciated.

Thanks

Post by **panic-mechanic** » Wed Sep 27, 2017 1:46 pm

Not an issue. Don't lose sleep about it. When it's really winter the fast idle will be back.

Q_Gopal · Post by **Q_Gopal** » Wed Nov 01, 2017 3:57 pm

I have a polo tdi sportline...96kw I am having a hot start issue...the car starts when it is cold however when I drive it to the shop or so and leave it about 10 to 15 mins and come start it again it struggles...can anyone shine light on this issue

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Carel040 · Post by **Carel040** » Wed Nov 01, 2017 4:06 pm

Yes bro take it to someone that's got VCDS to scan your cab then u will know what the issue is

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Q_Gopal · Post by **Q_Gopal** » Wed Nov 01, 2017 4:09 pm

Carel040 wrote:Yes bro take it to someone that's got VCDS to scan your cab then u will know what the issue is

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Did a scan previously the guys said transmission speed sensor and cam sensor took it to the mechanic he says the cam sensor is fine but he changed the trans speed sensor....so now its still doing the same thing

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Carel040 · Post by **Carel040** » Wed Nov 01, 2017 4:14 pm

Then take it to another Mac or person that can scan it for u , where are u based bro

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Q_Gopal · Post by **Q_Gopal** » Wed Nov 01, 2017 4:15 pm

Carel040 wrote:Then take it to another Mac or person that can scan it for u , where are u based bro

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Durban...

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Carel040 · Post by **Carel040** » Wed Nov 01, 2017 4:16 pm

Contact toxic tuning bro

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Carel040 · Post by **Carel040** » Wed Nov 01, 2017 4:18 pm

On the other hand if one sensor is playing up change both

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Q_Gopal · Post by **Q_Gopal** » Wed Nov 01, 2017 4:23 pm

I think I will change the sensor first

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vee4410 · Post by **vee4410** » Thu Nov 02, 2017 2:04 pm

Change CPS and it will most likely solve our issue.

Q_Gopal · Post by **Q_Gopal** » Thu Nov 02, 2017 2:12 pm

vee4410 wrote:Change CPS and it will most likely solve our issue.

I will do that this weekend

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Polo 1.9TDi cold start fast idle issue

Polo 1.9TDi cold start fast idle issue

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Re: Polo 1.9TDi cold start fast idle issue