Acceleration problem

Asked by May 30, 2018 at 05:55 PM about the 2003 Vauxhall Astra 1.6 LS Hatchback 5d auto

Question type: Maintenance & repair

Hi had an acceleration problem, meaning nothing when
pressed pedal. So I changed the pedal still the same,
thought ok ECU problem brought an ECU off eBay fitted
still the same. Anybody any suggestions or advise please?

3 Answers

is the accelerator connected directly to the engine (through a throttle cable) or does it work electrically (sending a signal to the ecu then telling the throttle body how much to accelerate the engine). If it is connected through the throttle cable then try and find where it goes and see if there are any crimps in the cable or if has snapped altogether. And if it runs through the ecu then try replacing the throttle body in the engine as you may have a faulty servo


I had same problem with my Astra 17. It wasn't the pedal neither the throttle housing sensor, which I brought both, tested and changed to my dismay. ALL IT WAS, WAS THE POWER LEAD BY THE FUSE BOX. (Picture taken) I took it off to clean it and sprayed it with wd40. I also pulled all the fuses out one by one to check and clean blades....... WALLAH CAR REVVING PERFECT AND RUNNING WELL. Really hope this helps people in same boat as me. Cheers Mike.

1 people found this helpful.

Hi all, I'm having the same problem on my Astra 1.7 diesel one minute all ok and next starts up but no revs! Could it be something to do with being damp? as happened when it was raining hard? Any advise you can give would be much appreciated Many thanks

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