2009 Toyota Corolla "rough idle" Questions

rough idle problem I have been experiencing a rough idle with my 2004 corolla. I changed the air filter, cleaned my injectors and even had a diagnostics done, but the problem still exists. Can you ...

my 2006 corolla idles high and runs rough firstly you have to reduce idle srew,and cheak for any damage vaccum,cheak the feul filter for dirty for rough runing

...seating properly. Too much air is available at idle, can cause rough running. If the idle bypass air was "adjusted" at tuneup, maybe it was incorrectly done. Did anyone change the spark

rough idle. It does not quit, just idles rough like not all of the fuel is getting through. It runs great down the hiway, but every now and then you can feel a sputter in the engine while driving. Any

...idle is rough can feel it through steering wheel. when cold car idles good as it warms up it gets rough. tune up good. mounts good that was one of the first things i checked. checked vacuum valves. ...

...rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion ...

Idle becomes rough and the engine seems will shut off, I have a new battery ,new sparkplug newly changed air filter,and often it runs smoothly. please help thanks a lot You have a bad Idle Air Control

...idle is rough, like the rpm nominally stays around 800 and it suddenly falls to 300 or so and recovers to 800 in 1 or 2 seconds. A few days after all this, the check engine light came on with P0420 ...

...rough idle. My mechanic cleaned the injectors, adjusted the idle and even had a diagnostics done, but nothing worked. I took the car to someone else and he adjusted something on the throttle body and ...

rough idle after oil change and flush cooling My car ran fine when I dropped it off at the garage for state inspection. They decided to do an oil change and a flush of the cooling system. Now I have a