How does idle relearn work on a Subaru Forester?
This should work on Subarus with an electronic throttle body. Please let us know how it worked for you. https://twitter.com/McCauleysAuto The Subaru in this video is a 2009 Subaru Forester. 1) Turn off the lights, aircon, stereo or any system in the car that draws extra current on top of the engine. 2) Disconnect the battery for 30 mins.
When do I need to do an idle relearn?
When this happens it is sometimes necessary to perform an idle relearn to once again teach the car how to idle correctly. With vehicle at a complete stop, set the parking brake.
Why do I have an erratic idle after loading a tune?
In the event you are experiencing an erratic idle after loading a tune or after performing any action that clears KAM (Keep Alive Memory), an Idle Relearn can help you get back on track. The KAM or “Keep Alive Memory” is the memory that is stored in the powertrain control module (PCM).
When to clear Kam on Ford idle relearn?
The KAM is cleared anytime battery power is disconnected from the PCM. Examples would be: disconnecting the battery, replacing battery or battery cables, a dead battery, or a bad ground.
How to do the idle relearn in a car?
To complete the idle relearn: Bring the engine to normal temperature, have the accessories off. Leave idling for 2 minutes in Park/Neutral to learn. With the vehicle securely held on the brakes or wheel chocks, change into Drive. Leave idling for 2 minutes in Drive to learn.
Is there a way to reset the base idle?
Solving idle problems part 3: Resetting the base idle The base idle is nothing more than the idle that the computer has learned at whatever angle your throttle body is set at when at idle.
What does base idle mean on a car?
The base idle is nothing more than the idle that the computer has learned at whatever angle your throttle body is set at when at idle. This technically shouldn’t change by itself but it’s always good to check it because you never know what the dealer or previous owner did to the car before you had it.
How to do the throttle body relearn procedure?
During this period the idle may be higher than normal. It should slowly drop as the engine heats up. Watch the engine temp gauge and note when it reaches operating temp. Then continue to let it idle for an additional 5 minutes. It will continue to adjust idle during this period.