looping idle

rsadamsB5 · 12-22-2011, 12:17 PM

I have a 99 a4 2.8

The other day i noticed a pool of water built up in the engine compartment behind the firewall. So i unclogged the drains below the battery tray.I disconnected the battery from the car so i could get access to the clogged drains.

as soon as i put the battery back in the car and drove the car i noticed my RPM's would loop for a couple seconds when i push the clucth in before returning back to normal idle.

I have heard that the throttle body can lose communication to the ecu when you disconnect the battery. Never heard of such a thing?

If anybody could give me answers it would be greatly appreciated.

p.s. i dont think its a vacuum leak

Prospeeder · 12-22-2011, 04:43 PM

Just drive it a few days. It should go away, car forgets its adaptive memory for idle stabilization. Takes awhile to relearn it. you can try a throttle body re-adapt with vag com but you shouldnt need to.

rsadamsB5 · 12-22-2011, 07:02 PM

haha funny that you said that because on my way to hockey tonight it didnt loop...well maybe its getting better

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12-22-2011, 04:43 PM	#2
Prospeeder AudiWorld Senior Member Garage is empty, add now Join Date: Aug 2011 Posts: 844	Just drive it a few days. It should go away, car forgets its adaptive memory for idle stabilization. Takes awhile to relearn it. you can try a throttle body re-adapt with vag com but you shouldnt need to.

12-22-2011, 07:02 PM	#3
rsadamsB5 Audiworld Junior Member Garage is empty, add now Join Date: Nov 2011 Location: Ann Arbor Posts: 51	haha funny that you said that because on my way to hockey tonight it didnt loop...well maybe its getting better

12-22-2011, 07:02 PM
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