Which car ?
High Idle after dead battery...
Wondering if there is ..... and ...... if i have to do an idle learn procedure or will ECM relearn after driving the car a bit more... I have a high idle and high revs on startup after battery died and left E52 ECM Memory reset code.
1 - 7 of 7 Posts
1991 etc
There is a procedure, but it's not necessary. It'll learn quickly on its own.
Can't remember it exactly ATM. I want to say run it for a set amount of time in idle with all accessories off, but I'm just not sure.
Can't remember it exactly ATM. I want to say run it for a set amount of time in idle with all accessories off, but I'm just not sure.
I have never yet had to do an idle learn.
I`ll just take her out for a long drive today and see what happens.... Good enough weather expected today. Thx though.
I found this online, Seems to be inline with what you were suggesting MC . If i dont get a chance to get out for a long ride today, I `ll try it
The TP sensor/IDLE LEARN should be preformed when-
TP is replaced
throttle body replaced
PCM replaced
battery disconnected or replaced
PCM code 52
IAC adjusted
TP sensor adjustment has been preformed
min idle speed adjust procedure has been preformed
IDLE LEARN PROCEDURE ***4.9L***
1-outside temp is 50 degrees or greater
2-start engine and idle 13 min
3-at end of 13 min- enter diagnostics (engine running)
4-turn engine off
5-wait min of 20 sec
6-turn ign on (engine off)
7-enter diagnostics
8-turn ign off
9-wait min of 20 seconds
10-turn ign on (engine off)
11-enter diagnostics
12-turn ign off
13-wait min of 20 seconds
14-start engine
15- appy brakes and shift into 'drive'
16- turn the ccp 'off' and allow engine yo idle 1 minute
17- turn the ccp to 'auto' make sure AC comp engages- idle for 1
minute
18- put car in park and turn ign off
The TP sensor/IDLE LEARN should be preformed when-
TP is replaced
throttle body replaced
PCM replaced
battery disconnected or replaced
PCM code 52
IAC adjusted
TP sensor adjustment has been preformed
min idle speed adjust procedure has been preformed
IDLE LEARN PROCEDURE ***4.9L***
1-outside temp is 50 degrees or greater
2-start engine and idle 13 min
3-at end of 13 min- enter diagnostics (engine running)
4-turn engine off
5-wait min of 20 sec
6-turn ign on (engine off)
7-enter diagnostics
8-turn ign off
9-wait min of 20 seconds
10-turn ign on (engine off)
11-enter diagnostics
12-turn ign off
13-wait min of 20 seconds
14-start engine
15- appy brakes and shift into 'drive'
16- turn the ccp 'off' and allow engine yo idle 1 minute
17- turn the ccp to 'auto' make sure AC comp engages- idle for 1
minute
18- put car in park and turn ign off
1 - 7 of 7 Posts
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