RPM dropping to ~500 when coming to a stop.
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Joined: Dec 2015
Posts: 87
Likes: 29
From: Bucks County, Pennsylvania
Thanks CSMEANCE!
I was also experiencing this issue and was scratching my head as to the cause. Since my Interstate Battery was pushing 5 years old, I decided to be proactive and replace it. After following the ECU re-learn procedure, my idle is completely back to normal and not dropping when I come to a stop.
Love these boards and everyone who takes the time to share their experience and knowledge.
Thanks again all.
I was also experiencing this issue and was scratching my head as to the cause. Since my Interstate Battery was pushing 5 years old, I decided to be proactive and replace it. After following the ECU re-learn procedure, my idle is completely back to normal and not dropping when I come to a stop.
Love these boards and everyone who takes the time to share their experience and knowledge.
Thanks again all.
2014 TL
Joined: Feb 2019
Posts: 108
Likes: 15
Hey there OP, was the issue ever resolved? I am in the same exact boat as you. Took it to the dealer several times and ofcourse they could not duplicate it. But got the TC updated and the rpm still surges at times when coming to a stop and also sometimes when the AC kicks in at a stop. I replaced the EGR valve and also poured a bottle of BGK fuel injector cleaner in there too. But it’s still there. I have inspected under the hood and haven’t seen any hoses broken or leaking. But if there was leak it would do it all the time. One other thing I noticed is that if the AC is on and you shift from neutral to Drive, the rpms go down. I have a 2014 TL Fwd with 26k miles.
i no it’s a old post just looking to find a fix, Thxs
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