2005 Toyota Corolla "rough engine idle" Questions

...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 ...

Engine Hesitation & Rough Idling Hey, I have a '99 Honda Accord (4 cylinder VTEC) and I had a new gas tank fill-up last week. Ever since then, my car has started to hesistate when I try to accelerate,

...rough idle(MAF measures the air going into your engine and can cause many problems.) On top of that you should also check your EGR Exhaust Gas Release/Recirculation Valve that can also cause a rough ...

...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 advice? It sounds like you need a new ...

...Rough idle, stalls or misses. - Engine hesitates/ poor acceleration. - Engine diesels (runs after ignition switch is turned off). - Muffler explosion (after fire) on deceleration only. - Engine ...

...Engine is on. It is not idoling good acts like it wants to die. starting off it does not want to go. check your idle screw, also this could be caused by a vacuum leak, rough idle sensor or something ...

...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 valve. This ...

...idle goes from 1000 down to 700 and below and becomes erratic with the engine running really rough. what could be the problem? need some help. thanks. Possible weak alternator output or weak

2008 corolla alredy change all coil but same problem rough idle start do and die Check the automatic idle control module and the control valve on the engine. It may be just a cleaning is needed.

...rough when hot and sometimes goes off. when i increase the idle speed it rev more and does nit go off Check or replace your computer box. There might be a problem with idling circuit or with one of ...