Corsa-B.uk - Vauxhall, Opel and Holden Corsa B Owners Club

Hello
I have a 1.6 s Corsa, have this problem when she is cold start easy run nice all is well, but when the engin is running temp. if i stop for a robot and pull away its like she is smudering, after a view sec. then nothing wrong. it occures every time i had to stop and pull away
I have replace the coil pack And the petrol pump relay
Please help me

i sometimes get that problem when i drive at 60mph for 25mins then when i come into the city and stop at a traffic light for about 1 to 2 mins then go to take off in 1st and go into 2nd it studders a bit like theres a lack of power. since then ive rebuilt my engine and it doesnt happen as much. I think in my case whats casing it is theres a kink in my breather hose from the rocker cover to the throttle body top part. I think if i also replace my standard air filter for a K&N Panel filter it will help a great deal giving more breathing room and better torque, not much but like i said just a bit more room to breath.

Best to have fault codes checked, had a simmler problem with mine

Turned out to be the crank sensor
Can manifest its self all kinds of ways

Sometimes it would run like a bag of spanners, sometimes it would fail to start at all..

But only was a problem when warm or hot, cold start on a morning it would run perfect

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thanks i wll replace the sensor