Rough on startup

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SPARTAN_SAM_H
Posts: 9
Joined: Sun Feb 26, 2017 11:40 am
Astra Model: Elite Nav 1.4t
Astra Options: Heated Seats/Steering Wheel, Front/Rear Sensors
Astra Colour: Deep Sky Blue
Location: Norfolk

Rough on startup

Post by SPARTAN_SAM_H » Wed May 16, 2018 10:08 pm

Hi all looking for a bit of advice,

My car for a while now has seemed to start up and for maybe 30-60 seconds will idle at high rpm and sounds really rough

Once warmed up though the engine is quiet and smooth as it was when I first bought it,

I just had the recall today and was hoping this would help but has made little difference,

Is this normal? I've never owned a car that's been rough on start up and then settles like the astra so seems odd to me
Deep Sky Blue Elite Nav 1.4 (150PS) Turbo MY16


Scotty_b
Posts: 752
Joined: Tue May 30, 2017 9:11 pm
Astra Model: 1.4T 150 Sri
Astra Colour: Summit White

Re: Rough on startup

Post by Scotty_b » Wed May 16, 2018 10:14 pm

Mine was 'rough' when cold. A lot smoother now after update.
Astra K 1.4T 150 SRi, Summit white. De-Chromed with gloss black.


Ivanzu
Posts: 1094
Joined: Fri Feb 03, 2017 10:50 am
Astra Model: 1.4T
Astra Colour: Power Red

Re: Rough on startup

Post by Ivanzu » Wed May 16, 2018 11:05 pm

That is normal and its caused by car injecting extra fuel to rapidly heat up the catalytic converter. Your exhaust note will be different too. My advice is to let the car warm up the catalytic converter standing on the spot and then after that you should drive off.


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