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Old 06-10-2013, 09:23 PM   #1
GTO_Greg
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2013 SE Sedan Throttle 'sticks'

I've got a 2013 SE Sedan w/ manual transmission. When I upshift, the throttle 'sticks' - what I mean here is that, if I don't come completely off the throttle and wait almost one full second ('one thousand one') before depressing the clutch pedal, the engine revs climb. One second doesn't sound like much, but it's an eternity when you're talking about upshifting a manual transmission, at least it seems like an eternity to me...

Anyone else with this type of problem?

Thanks in advance,
Greg


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Old 06-10-2013, 09:39 PM   #2
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its called a Dual mass Flywheel, it allows the engine to stay up to speed as you shift. It sposed to be for better economy... we all think they are full of it.... discussed it when the 2012's came out .
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Old 06-11-2013, 05:44 AM   #3
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its called a Dual mass Flywheel, it allows the engine to stay up to speed as you shift. It sposed to be for better economy... we all think they are full of it.... discussed it when the 2012's came out .
I'd think it is better for highway fuel economy, but it's also part of what kills city economy. Impatiently waiting for an aftermarket solution.
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Old 06-11-2013, 06:08 AM   #4
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I'd think it is better for highway fuel economy, but it's also part of what kills city economy. Impatiently waiting for an aftermarket solution.
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Old 06-11-2013, 06:33 AM   #5
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I think there might be some Electronic Throttle Trickery going on there as well. Holding the revs to increase the chance of a smooth shift.

For experienced and veteran manual owners it's something new. For "newbies" or those who aren't hugely practiced in it, it's a huge help. My wife can drive the car so smoothly that her friends have been 2 days into a road trip before they realized she was driving a manual.

Not saying the flywheel isn't the main cause, just that I suspect there are additional events going on in the background.
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Old 06-11-2013, 08:30 AM   #6
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Come to think of it I recall revving my engine once to about 4,000 rpms in neutral and it literally hung there for a couple seconds. More than I thought normal even with the dual mass flywheel.
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Old 06-11-2013, 08:36 AM   #7
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This behavior may be emissions-related. IIRC, an abrupt decrease in engine revs can lead to a burst of emissions so engine software is designed to make the decrease more gradual. Or at least that used to be the case...
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Old 06-11-2013, 08:45 AM   #8
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Quote:
Originally Posted by GTO_Greg View Post
I've got a 2013 SE Sedan w/ manual transmission. When I upshift, the throttle 'sticks' - what I mean here is that, if I don't come completely off the throttle and wait almost one full second ('one thousand one') before depressing the clutch pedal, the engine revs climb...
Hi Greg,

It looks like lots of folks have chimed in on this already, but I wanted to jump in on the conversation as well. If you're concerned that your Focus isn't operating normally, you can always swing by your dealership so they can inspect. If you have any additional questions or concerns, feel free to give me a shout.

Crystal
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Old 06-11-2013, 09:00 AM   #9
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Quote:
Originally Posted by dan50 View Post
This behavior may be emissions-related. IIRC, an abrupt decrease in engine revs can lead to a burst of emissions so engine software is designed to make the decrease more gradual. Or at least that used to be the case...
Hadn't considered emissions. Interesting point.

I know the SVT Contours (maybe all V6/manual Contours) had a "throttle hang fix" that involved drilling our a small orifice to remedy the "problem". I bet with an electronic throttle, there is no such fix, and it must be "remedied" in the software.
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Old 06-11-2013, 09:23 AM   #10
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Thanks everyone, and I do plan to ask the dealer about it as well (thanks, Crystal, for your prompt response - very impressed with that). To me, this doesn't seem right - if I understand correctly, the engine revs should decrease when upshifting so everything meshes better when the clutch is released? Same concept as blipping the throttle on a downshift to match the engine revs to the drivetrain speed, right?

I learned to drive on manual transmissions, drove autos for a long time, but got back into a manual 8 years ago w/ my 2005 Pontiac GTO (the engine doesn't hang on that thing when upshifting, but it's custom dyno-tuned), so I'm just not too sure what to expect with the newer technology in my Focus.
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