2004 Toyota Pickup black smoke running rough

2004 TOYOTA PICKUP
41,000 MILES • 6 CYL • 4WD • AUTOMATIC
Avatar
MEDIC
  • MEMBER
  • 2 POSTS
I am getting the worst fuel milage ever.when the trucks idles then I give it the fuel black smoke streams from the tail pipe the truck when driving sams to have a small miss .help what could be the problem
Dec 28, 2007 at 2:28 PM
Advertisement
Avatar
RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
Do you have a check engine light On or has flashed.

Rich mixture could be stuck in the open loop mode-being caused by the coolant temperature sensor or the snitcher oxygen sensor is not switching
Dec 29, 2007 at 2:31 PM