2003 vy commodore series ll 3.8l

[tdog87]

My vy start an will idle but as soon as you try give it some gas it loses power an dies have done fuel filter air filter have tried my mates mass air flow sensors of his 2004 vy an still not helping

 

[Immortality]

It might be a bad throttle position sensor. Borrow your mates throttlebody and see what happens.

 

[krusing]

Symptoms of a Vac leak also.