there are a few you have to put them in your phone though
890-453-9655 is the cheat of nitro in GTA iv PS3.
No, there is not an armored truck cheat for GTA IV.
no
No, There is not a ragdoll cheat for GTA IV.
its a mod, no cheat
They are on Google.ca
No
You
Nope.
No there is not
the cheat code is 3595550100
There is no cheat, however if you own a pc version of GTA IV, then you could use a mod, try gtagaming.com for this and many more GTA mods.