SPONSORED LINKS

No power when accelerates, black smoke from exhaust

Tiny
CARRIE LEENERTS
  • MEMBER
  • 1999 DODGE DURANGO
  • 5.9L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
Replaced engine a year ago. When doing so the thermostat was bypassed. Only way I knew was because I had no heat. Two days ago I put in thermostat. So what is happening now is it misses, it acts like it is not getting fuel. However, it is running super rich and I can smell it as well as seeing the large black clouds of exhaust, thick. It only does this when vehicle gets to 180 to 210 Fahrenheit. It runs fine when it is cold. It seems pressure is building in radiator. I have changed 02 sensor and I am changing the coolant temperature sensor. Any other ideas?
SPONSORED LINKS
Tuesday, February 6th, 2018 AT 5:52 AM

1 Reply

Tiny
PATENTED_REPAIR_PRO
  • MECHANIC
  • 1,853 POSTS
I was going to say the coolant temperature sensor, too. So, let me know if that does not fix the black smoke and misfiring.
As far as the radiator building pressure, it is supposed to build to 15 psi, then the cap releases that pressure into an overflow reservoir. Perhaps you need a new radiator cap.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Tuesday, February 6th, 2018 AT 6:43 AM

Please login or register to post a reply.

Related Black Smoke Content

Black Smoke
GUIDE
Black Smoke
Black smoke being produced from the exhaust system of is a sign of too much fuel being processed by the engine.
VIEW MORE

Sponsored links