Why does my 2002 6.0 vortec engine idle rough and miss in cold weather after it's cranked
3 Answers
It's not the iac, changed mine and its the same. Also changed the MAS, MAP, Temp sensor, and fuel filter. Still runs rough on cold start ups but levels out when the truck hits running temp. Fuel pump?
5 people found this helpful.
Intake manif old gaskest
2 people found this helpful.