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Old November 8th, 2008, 10:03 PM   #1
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driveability question

Has anyone else noticed that there AV6 6MT has a funny characteristic with the RPMs. When you push in the clutch at a stop and rev the engine to 4500-5000 rpm and let off the gas the RPMs drop in a steady motion. When you are accelerating and you do the same thing the RPMs will stop at 2500-3000 and sit there momentarily and then proceed to drop to 800 rpm. This is most noticeable in the first three gears. The RPMs stop a different points depending on how hard the car is driven. It's kind of annoying because all the manual cars I've had before the rpms drop in a steady motion all the way down to 800 rpm. Is there a problem with a sensor or the drive by wire system?
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Old November 8th, 2008, 10:37 PM   #2
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No, it's called shift-point matching or something. Your car automatically drops the rpm to the point that it should be when you go to the next gear, that's why when you drive it harder, it will not fall as much as it would otherwise, because you would be at a higher rpm for the next gear if you red line the previous. Nothing's wrong with your car.
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Old November 9th, 2008, 12:30 PM   #3
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I disagree.
It is a problem with Honda's tuning. The 8th gen SI's had it even worse than ours and Honda did a TSB/Recall and reflashed the ECU.

It's pretty annoying, but harmless. They call it RPM Hang.
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Old November 21st, 2008, 02:47 AM   #4
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Yesterday I drove a 2008 AV6 6mt Coupe and a 2007 AV6 6mt at a dealership. Neither car exhibited the same characteristics as mine. Is it possible the clutch is hanging up or possibly the AIS ot TPS? Not sure if the DBW utilizes a TPS. Does anyone know if Honda has any sort of reflash for the 2007 AV6 6mt?
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Old November 21st, 2008, 03:01 PM   #5
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Quote:
Originally Posted by MorePower4me View Post
I disagree.
It is a problem with Honda's tuning. The 8th gen SI's had it even worse than ours and Honda did a TSB/Recall and reflashed the ECU.

It's pretty annoying, but harmless. They call it RPM Hang.
yea the hanging RPMs are much more prevalent in the SI's than the accords. its really noticable in an SI
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Old November 21st, 2008, 03:51 PM   #6
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I've always wondered about this. My car has done it for as long as I can remember. After reving the engine mine will hang around 2000-2500K, then slowly go back to idle RRM.

Strange!
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