How do you relearn a idle on a 2010 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. 3) Reconnect the battery. 4) Before you start the car for the first time, turn the key to the ON position but do NOT turn the engine over.
Can a forester Imprezza lose its idle calibration?
Posting here as this seems to affect some Forester and Imprezza models with Electronic Throttle Bodies or IACV that undergo a battery disconnect, and lose their idle calibration. low and rough idle and stalling at complete stops. – NASIOC low and rough idle and stalling at complete stops. Normally Aspirated Powertrain
Can a new battery cause an engine to stall?
Step 2 – Sometime a high idle condition can occur after a new battery has been installed, this is the opposite of the engine stalling but share the same malfunction, the computer is unable to control idle speed. Simply drive the vehicle for a short time for the idle to subside to normal operation.
Why does my car stall out at idle?
Well car starts now, but when I blip the throttle and let the RPMs come down on their own, they come down too far and stall out the engine now. I suspected the alternator, so I checked it out, but it’s actually putting out 13.9 volts at idle -so I don’t see that as being the underlying issue.
How often do you change the idle on a Subaru?
Wait 10-15 seconds so the electronic throttle body or IACV has time to go to the factory programmed home position. 6) Every 20 seconds or so the idle will be adjusted up and down as the ECU tries to adjust it towards a stoichiometric fuel / air mix.
Posting here as this seems to affect some Forester and Imprezza models with Electronic Throttle Bodies or IACV that undergo a battery disconnect, and lose their idle calibration. low and rough idle and stalling at complete stops. – NASIOC low and rough idle and stalling at complete stops. Normally Aspirated Powertrain
Well car starts now, but when I blip the throttle and let the RPMs come down on their own, they come down too far and stall out the engine now. I suspected the alternator, so I checked it out, but it’s actually putting out 13.9 volts at idle -so I don’t see that as being the underlying issue.
Wait 10-15 seconds so the electronic throttle body or IACV has time to go to the factory programmed home position. 6) Every 20 seconds or so the idle will be adjusted up and down as the ECU tries to adjust it towards a stoichiometric fuel / air mix.
How to Idle re-learn after battery ( all years )?
Start to accelerate allowing boost to rise slowly and without getting too much. Continue for 30 seconds or thereabouts. The end. Your car will now idle and accelerate more smoothly and feel a little more powerful. If you haven’t done this for a long time or even ever the effect will be more remarkable.