While driving accelerator cut out and revs dropped to zero?

Tiny
WIKIBAJKO
  • MEMBER
  • 2013 VAUXHALL CORSA
  • 1.2L
  • 4 CYL
  • 2WD
  • MANUAL
  • 55,000 MILES
At first the accelerator cut out for a split second and carried on. When driving accelerator cut out and revs dropped to 0 which made car roll to a stop then struggled to start for a little while. It did this now and again but became more regular. It’s happening more often and takes longer to get it started. Coil pack has been changed and the crankshaft sensor is working as this has been checked. It was in the garage for about two weeks, and they couldn’t figure it out. There is also a little black box behind the glove box which constantly flashes, this has been added by the previous owner but I have no information to what it is or what it does. Please help
Friday, July 21st, 2023 AT 3:00 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,320 POSTS
Are there any codes? I would run the computer to see what comes up.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please go over these guides and get back to us.
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Saturday, July 22nd, 2023 AT 3:24 PM
Tiny
WIKIBAJKO
  • MEMBER
  • 2 POSTS
Checked all this and works fine. Computer says no faults. There is a spark and fuel getting to it.
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Saturday, August 26th, 2023 AT 6:06 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,320 POSTS
Okay, let's see if you have compression, this guide can help us:

https://www.2carpros.com/articles/how-to-test-engine-compression

And this guide can help as well:

https://www.2carpros.com/articles/car-not-running-advanced

Please go over these guides and get back to us.
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Sunday, August 27th, 2023 AT 9:23 AM

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