2003 Chevrolet Avalanche "rough idle" Questions

...Rough Idle and P0300 Rough idle with no MIL / replaced plugs and wires rough idle got worse and now the MIL is on with P0300 scanner reads cylinders 3 and 4 missing I have encountered this before and ...

...idle engine runs rough then smooths out Just off idle the engine runs rough then smooths out a little,as you accelerate it gets rough again and the "service engine soon" light comes on.Power is not ...

...rough up and down idel Not knowing the age- I will say that back in the days of carbs- there was a solenoid which increase the idle speed when the AC was turned on. This is done by the computer in a ...

my 2002 avalanche wont stay running and idles very rough when it does start, service engine light came on. I would start by seeing what the fuel pressure is, the vortech motors require 60-65# . If you

...with a gauge and make sure you have gas in the tank. Anything less than a quarter of a tank is rough on the pump. It needs liquid gasoline to keep cool and

rough at idle. When warmer weather light goes off & runs fine. Have replaced mass air flow sensor. Mine did the same thing...at 42F degrees, run bad. After it warm up, it would be fine. This would

...in order to fill up. Also I have had trouble with the truck not idling right and running really rough. Every time they change the fuel pump and that does not fix the problem. Then the change the ...

service engine light on, replaced fuel pump roughly 5,000 miles ago if that, dealer also said weeping hole was leaking, ive been watching the coolant level and adding it as it is depleted. Also it has

...idle rough, it was bad just alittle shaking, left side plugs came out covered in carbon. but with new plugs it barely ran at all and engine light was flashing. so i put old plugs back in and it ran ...

...Rough idle? car will not idle? Erratic idle speed? http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html----------Rough idle, staling and Erratic shifting? ...