The ECU in a MY 1999 Subaru Forester is located at the upper left site of the engine under the air intake.
To reset the ECM remove the battery cable (s) for a few minutes. Replace cable. ECM has been reset.
remove the negative battery cable for a minute or two
Unplug battery for 30 minutes then plug back on that will reset the ecm
Could be a bad knock sensor. The ECM may be retarding the timing based on bad input from a faulty knock sensor.
You can reset the ecm with a scan tool or by unhooking the battery.
Just unhook the battery cables for 5 mins, That will reset the ECM
Where is the knock sensor located on a 1999 Subaru Forester?
There is no reset button. The computer is reset by repairing whatever tripped the CE light, and then using a scan tool to reset the light. Reset the light without repairing the problem and the light will just come back on.
ECM reset for 2002 merc couger
Disconnect the battery for five to 20 minutes. This will reset the ECM.
Unplug you battery for 20 to 25 minutes that should reset you computer.