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Idle problem

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Old May 18, 2004 | 08:45 PM
  #1  
DSmith's Avatar
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Joined: Mar 2004
Posts: 472
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From: Brandon Mississippi
Car: 1989 Camaro
Engine: 383
Transmission: 700R4
Axle/Gears: 3.73
Idle problem

Ok, I have been reading and reading and oh yea reading.
I posted a while back about my car having a high idle for a few seconds when I come to a stop. I did a search on "throttle follower" but it seams thats not for 165 ecm(or at least I can't find it). I read one post that was taklking about the DFCO settings on a 165.

What does DFCO stand for? Could this be where I need to tune?
Also is there throttle follower for the 165?

I'm using TunerPro, AYPY bin and 6Ev011 ECU file.
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Old May 18, 2004 | 11:24 PM
  #2  
Mangus's Avatar
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From: In your ear. No, the other one.
Car: '89 Trans Am WS6
Engine: 350 TPI
Transmission: T5WC
Axle/Gears: 3.08 posi
DFCO stands for Deceleration Fuel Cut-Off. It is not what is responsible for what you describe.

DFCO causes the injectors to shut down when the car is coasting and is a fuel-saving device.
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Old May 19, 2004 | 09:21 AM
  #3  
RBob's Avatar
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
There is another thread that is on the same subject "high idle while coasting", may want to keep an eye on that one too.

Can you post a short section of a data log during coast down? From 15 MPH to a stop.

RBob.
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