cavalier loosing power & cutting out

[speedy]

hi i hope someone can help me
got a cavalier sri 16v 2.0 ecotec engine
the problem is when im accelerating the car looses power if i change down gear it seems to come back ,, although on occasions it doesnt also when like this if i pull over to stop the engine cuts out. could this be injectors ?? fuel pump ?? any help would be appreciated cheers paul

 

[steveb]

hi i hope someone can help me
got a cavalier sri 16v 2.0 ecotec engine
the problem is when im accelerating the car looses power if i change down gear it seems to come back ,, although on occasions it doesnt also when like this if i pull over to stop the engine cuts out. could this be injectors ?? fuel pump ?? any help would be appreciated cheers paul

Could be something as simple as a blocked filter ... or airlock.

By the way, you may need to change your posting name

steveb