dear people, i am a proud owner of a 1992 S-10 with a 4.3 liter V-6 when i start the truck the engine runs fine until it is warmed up, but as soon the coolant gets warmer the engine starts to idle rough and vibrates a little ( this is seriously annoying when driving 80 mph. there is also less power on board when the engine is warmed up. could somebody please steer me in the right direction where to look for, any help is greatly appreciated. Dennes
- posted
19 years ago