check for a coolant leak. even a pin hole in a hose can cause something like that. cheapest way to start. if not, get an iac valve
its probably the fit valve
here's a link:
http://www.superhonda.com/forum/f55/troubleshooting-idle-problems-259965/
The 1999 Honda Accord OBD 2 port is above hood release; connector faces down
It was the PCV vaule
Go to the mechanic down the blocc
Sure just get down and look.
There are several things that can cause your Honda Accord station wagon automatic transmission not to shift down. The most common cause is low transmission fluid.
location of obd port for a 2002 2 door Honda accord
trying rack down a leak
The up and down is controlled by the radio itself.
97 accord engine accerelating by itself.I had a 1995 Honda accord,which,when stopped at traffic lights,would suddenly rev up to 4500rpm and then go down again,to 1000 rpm,doing this repeatedly.It turned out to be the fast-idle valve was faulty,and when replaced,sorted the problem.....hope this may help you.
If a Honda Accord is smoking when the gas is pressed down than it is possibly running to rich. The car will need to be checked to see if to much fuel is being fired by the injectors.
The location of a o2 sensor on a 1996 Honda Accord is on the exhaust pipe. These parts help regulate the emissions for the vehicle and are placed on the down pipe of the exhaust system.
idles at 3000 will not go down 1993 grand prix gtp