Car Questions

07 avalance rough c...
 
Notifications
Clear all

07 avalance rough cold starts.

  

0
Topic starter

when you cold start it cranks normally then you hear the engine fire u then it sounds like you are baby reving it for a sec then starts strong. whats its problem.( it is fall here in illinois) 


3 Answers
0

What RPM's is it idiling at?  Mileage?  Sounds like you may need to clean the throttle body.  Easy to do on that truck.


0
Topic starter

when i took it to a shop they said i needed a cat and a new throttle bodies and news supention and air bag supention


0
Topic starter

I notced that the truck temp is never whare is suposted to be. the the cat make it run cooler? it hhas muffler and resonator delete


Share: