Technical Why is my injector light coming on when hitting bumps and trying to wheel spin???

[cranbo129]

Can anyone please help me with my Punto 55 s ?
For some reason my car seems to try and cut out when i hit bump in the road and wheel spin
it judders and kangaroos but if i take foot off throttle it stops
changed ht leads and sparks still doing it

any suggestions?
Thanks Lewis

 

[AVANTII]

Try putting in new coil packs, one or both may be faulty.

 

[fingers99]

That it happens when you hit a bump suggests a poor electrical contact somewhere. You may be able to isolate it by woggling bits of the harness with the engine running. But start by cleaning up all the earths in the engine bay -- physically remove them, scrape clean, smear with vaseline, re-tighten.

 

[lampy]

stop wheel spinning and hitting bumps that should solve it

but on a serious note do as mentioned in the post above