Ecotec sputters and shakes when started

[97VSV6]

Hey just started my vs the other day and it sputtered and shaked a fair bit until it got warm this worries me, should i be worried? Its happened a few times.

[darcycammo]

what are the spark plug's and lead's all like?

[97VSV6]

They look ok to me but might change em anyways

[nathanVY]

How many ks on it? If the injectors have never been changed / cleaned they're likely clogged. Try some fuel injector cleaner, if it improves just whack a new/reco set of injectors in and clean your plenum & throttlebody while you're at it. If its really dirty like mine was your car will gain like 40hp lol

[97VSV6]

HAHA thats a huge gain from cleaning. Its got 250 on the clock so the injectors mite need cleaning, i might do the fuel filter while im there to.

[nathanVY]

HAHA thats a huge gain from cleaning. Its got 250 on the clock so the injectors mite need cleaning, i might do the fuel filter while im there to.

yeah always new fuel filter with new injectors. hp gain depends how much it's lost from all the crap in there

car will feel alive again thats for sure

[darcycammo]

HAHA thats a huge gain from cleaning. Its got 250 on the clock so the injectors mite need cleaning, i might do the fuel filter while im there to.

if your going to clean it just dont do what i did last night here have a look Big screw fell in ecotec motor need help badly :(

[justbad4you]

ID START BY CHECKING LEADS PLUGS THthen work forward from there.......cheers