'14 SE 5spd Revving on it's own - Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum
Ford Focus Forum
HomeContact UsAbout UsGalleryDiscussion ForumsMarketplace


Go Back   Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum > Ford Focus Third Generation > MK3 Focus

MK3 Focus The place to chat about general questions, window tinting, exterior body, interior and lighting upgrades for the third generation 2012-Current Focus.

Search This Forum | Image Search | Advanced Search    
FocusFest

Reply
 
LinkBack Thread Tools Display Modes
Old 02-28-2019, 11:21 AM   #1
Focus Jr. Enthusiast
 
adamsbryce89's Avatar
 
Join Date: Feb 2015
Fan#: 224298
Location: Kansas City, MO
What I Drive: '14 Sterling Grey SE Sedan 5MT

Posts: 34
Points 1,466, Level 21
Points: 1,466, Level: 21 Points: 1,466, Level: 21 Points: 1,466, Level: 21
Level Up 66% Completed
Level up: 66% Level up: 66% Level up: 66%
Forum Activity 0%
Activity: 0% Activity: 0% Activity: 0%
FF Reputation: 1 adamsbryce89 Good Standing Member
Buy-Sell-Trade Rating: (0)
Question '14 SE 5spd Revving on it's own

Hi all,

For the last couple months now, my 14 SE 5 spd sedan has been acting rather strange at idle. It only happens sometimes, so it's hard to reproduce, unfortunately.

Sometimes, after buzzing around town getting errands done, the car will start to rev on its own. it does NOT do this while the car is in motion, (as far as I can tell anyway) but rather when I'm stopped and at idle. It'll rev up to around 1,600 RPM even when the engine is hot (doesn't seem to do it as MUCH when engine is cold, but still happens), and it'll stay there for a while, then suddenly drop down to about 600 RPM and it starts shaking the entire car back and forth and bounces RPMs down there. Give it a little gas, it goes back up to 1600 and stays there for a while, then the process repeats.

I'm off ALL pedals. I know the car raises the rpms just a hair when i have brakes off and clutch in, to help aid in a smooth start. It's not that.

Here are links to videos I've uploaded when the issue DOES happen. Please excuse my messy car. Full time student, full time worker.

Revving on it's own:

Choking on it's own:

The car starts, revs, and drives without ANY issue at all. All feels normal. I sometimes forget about the issue until I see that tach start climbing and my feet off all pedals.

Occasionally, on some start-ups, a check engine light will be there, but always when I have no time to stop and get it looked at. The next time I start the car, it may or it may NOT be there.

Anyone have any ideas on what I can look into? Additionally, are the videos enough evidence for Ford to make a decision or "diagnose" the car, or would I need to bring it by as it was doing the issue? It'll go a few days with no problems, and other days it's almost as soon as I start the car.

Thanks!


adamsbryce89 is offline  
    Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 02-28-2019, 01:51 PM   #2
Focus Addict
 
Join Date: Feb 2014
Fan#: 141457
Location: Montréal, Canada
What I Drive: 2013 Ruby Red Hatchback Titanium

Posts: 1,186
Points 28,835, Level 99
Points: 28,835, Level: 99 Points: 28,835, Level: 99 Points: 28,835, Level: 99
Level Up 30% Completed
Level up: 30% Level up: 30% Level up: 30%
Forum Activity 6%
Activity: 6% Activity: 6% Activity: 6%
FF Reputation: 8 Squad-G Good Standing Member
Buy-Sell-Trade Rating: (0)
This sound like an intake problem. When is the last time you changed your engine air filter? Is the throttle body dirty?
Squad-G is offline  
    Reply With Quote Quick reply to this message
Old 03-01-2019, 11:50 AM   #3
Focus Rookie
 
Join Date: Feb 2019
Fan#: 409943
Location: Greensburg, PA
What I Drive: 2013 SE Hatch 5 Speed

Posts: 19
Points 39, Level 1
Points: 39, Level: 1 Points: 39, Level: 1 Points: 39, Level: 1
Level Up 78% Completed
Level up: 78% Level up: 78% Level up: 78%
Forum Activity 3%
Activity: 3% Activity: 3% Activity: 3%
FF Reputation: 1 YourMom Good Standing Member
Buy-Sell-Trade Rating: (0)
Vacuum leak or the throttle sensor/gas pedal.

Might be able to pull up on a decent code reader the pedal position vs actual throttle position to figure out if the sensor is bad.
Think they would have a code for that though, which might be the code poping up.
worth getting the code read anyway to see if any are pending.
YourMom is offline  
    Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 03-01-2019, 04:03 PM   #4
Focus Enthusiast
 
Join Date: Feb 2019
Fan#: 409515
Location: Westerly, RI
What I Drive: 14 Tuxedo Black Focus se hatch dct

Posts: 53
Points 58, Level 1
Points: 58, Level: 1 Points: 58, Level: 1 Points: 58, Level: 1
Level Up 16% Completed
Level up: 16% Level up: 16% Level up: 16%
Forum Activity 5%
Activity: 5% Activity: 5% Activity: 5%
FF Reputation: 1 Sig1299 Good Standing Member
Buy-Sell-Trade Rating: (0)
codes are stored even when they disappear. get the code ran
__________________
2014 focus se hatch dct tuxedo black: fswerks rmm insert, green drop in, 180 deg thermo, toms tune
Sig1299 is offline  
    Reply With Quote Quick reply to this message
Old 03-01-2019, 11:21 PM   #5
Focus Enthusiast
 
Join Date: Jan 2015
Fan#: 214057
Location: BC, Canada
What I Drive: 2014 Black HB

Posts: 196
Points 1,664, Level 23
Points: 1,664, Level: 23 Points: 1,664, Level: 23 Points: 1,664, Level: 23
Level Up 64% Completed
Level up: 64% Level up: 64% Level up: 64%
Forum Activity 3%
Activity: 3% Activity: 3% Activity: 3%
FF Reputation: 2 Toadster Good Standing Member
Buy-Sell-Trade Rating: (0)
As others have said, it could be a vacuum leak. But, here's another thing it could be:

I had this issue happen once on an older car where the car would literally start accelerate on its own. The RPMs would climb as though someone were pushing the gas pedal. What it ended up being is the vacuum controlled fuel pressure regulator had worn out and gasoline had started making its way into the vacuum lines and then into the air intake.

Just another thing to check for.
__________________
Snorkel Delete & AEM Drop-in
Toadster is offline  
    Reply With Quote Quick reply to this message
Old 03-02-2019, 10:13 AM   #6
Focus Jr. Enthusiast
 
rednek17's Avatar
 
Join Date: Apr 2017
Fan#: 351938
Location: Casa Grande, AZ
What I Drive: 2012 Performance blue SEL hatch

Posts: 33
Points 219, Level 4
Points: 219, Level: 4 Points: 219, Level: 4 Points: 219, Level: 4
Level Up 38% Completed
Level up: 38% Level up: 38% Level up: 38%
Forum Activity 2%
Activity: 2% Activity: 2% Activity: 2%
FF Reputation: 1 rednek17 Good Standing Member
Buy-Sell-Trade Rating: (0)
Mine is doing the same and was told it is related to the canister purge valve recall.
rednek17 is offline  
    Reply With Quote Quick reply to this message
Old 03-02-2019, 09:01 PM   #7
Focus Enthusiast
 
Join Date: Dec 2013
Fan#: 127930
Location: Cleveland, OH
What I Drive: 2014 Dark Gray SE

Posts: 258
Points 269, Level 5
Points: 269, Level: 5 Points: 269, Level: 5 Points: 269, Level: 5
Level Up 38% Completed
Level up: 38% Level up: 38% Level up: 38%
Forum Activity 2%
Activity: 2% Activity: 2% Activity: 2%
FF Reputation: 1 Metalcrack Good Standing Member
Buy-Sell-Trade Rating: (0)
Quote:
Originally Posted by YourMom View Post
Vacuum leak or the throttle sensor/gas pedal.

Might be able to pull up on a decent code reader the pedal position vs actual throttle position to figure out if the sensor is bad.
Think they would have a code for that though, which might be the code poping up.
worth getting the code read anyway to see if any are pending.
Pickup Forscan (free) and a OBD II USB cable with speed switch. Can easily read TPS and such.
__________________
Stock HU -> Modded ACM code -> Audiocontrol LC6i -> Planet Audio 4-Chan -> JBL Comps -> ID8 V4
Metalcrack is offline  
    Reply With Quote Quick reply to this message
Old 03-06-2019, 03:26 PM   #8
Focus Rookie
 
Join Date: Nov 2012
Fan#: 105835
Location: Fort Collins, CO
What I Drive: 2013 Gray SE

Posts: 4
Points 8, Level 1
Points: 8, Level: 1 Points: 8, Level: 1 Points: 8, Level: 1
Level Up 15% Completed
Level up: 15% Level up: 15% Level up: 15%
Forum Activity 0%
Activity: 0% Activity: 0% Activity: 0%
FF Reputation: 1 Honey Badger Good Standing Member
Buy-Sell-Trade Rating: (0)
Wow, they won't let me post links since this is my first post. I just deleted them all, maybe if I'm allowed to link in the future I can be a useful contributor.

My car also has an intermittent issue with the idle droop. Most likely cause is the vapor canister purge valve. The number of views on my crap video makes me think this affects quite a few people:

I've had a high idle one time, after some laps around the local racetrack when it was 95°F out. I haven't seen this happen since then. This makes me think that high temperature makes it more likely for the valve to stick.

In any case, like rednek17 mentioned, there is a recall for this part:

If you make an appointment with your local dealer they should be able to fix it for you for free.

When I looked for this part 2 years ago, before the recall, it was over $100 for a new one. Looks like the price has come down, in case you'd rather replace it yourself.
Honey Badger is offline  
    Reply With Quote Quick reply to this message
Old 04-09-2019, 07:50 AM   #9
Focus Jr. Enthusiast
 
rednek17's Avatar
 
Join Date: Apr 2017
Fan#: 351938
Location: Casa Grande, AZ
What I Drive: 2012 Performance blue SEL hatch

Posts: 33
Points 219, Level 4
Points: 219, Level: 4 Points: 219, Level: 4 Points: 219, Level: 4
Level Up 38% Completed
Level up: 38% Level up: 38% Level up: 38%
Forum Activity 2%
Activity: 2% Activity: 2% Activity: 2%
FF Reputation: 1 rednek17 Good Standing Member
Buy-Sell-Trade Rating: (0)
Quote:
Originally Posted by Honey Badger View Post
Wow, they won't let me post links since this is my first post. I just deleted them all, maybe if I'm allowed to link in the future I can be a useful contributor.

My car also has an intermittent issue with the idle droop. Most likely cause is the vapor canister purge valve. The number of views on my crap video makes me think this affects quite a few people:

I've had a high idle one time, after some laps around the local racetrack when it was 95°F out. I haven't seen this happen since then. This makes me think that high temperature makes it more likely for the valve to stick.

In any case, like rednek17 mentioned, there is a recall for this part:

If you make an appointment with your local dealer they should be able to fix it for you for free.

When I looked for this part 2 years ago, before the recall, it was over $100 for a new one. Looks like the price has come down, in case you'd rather replace it yourself.
I just had the recall work done last friday and mine is still having this issue. I will be doing a full tune up in a month or so (about to hit 100K) so I will look into cleaning quite a few parts at the same time.
__________________
2012 Performance Blue SEL Hatch, Snorkel delete, Rear muffler delete with DS rear exit tailpipe, K&N drop in filter, Open airbox lid... still loading...
rednek17 is offline  
    Reply With Quote Quick reply to this message
Reply

Bookmarks & Social Networks

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
What I Drive
Year, color, and model of your car. Example: 2003 Focus Centennial Edition Sedan
Name
Your real name.
City
State
Country
Insurance
Please select your insurance company (Optional)

Log-in


Thread Tools
Display Modes

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Ford focus 1.6 zetec revving over 5k squeakal3393 General Technical Chat 0 10-22-2014 01:05 PM
Looking at a 2013 SE 5spd - Talk me into a Powershift offroad MK3 Focus 125 03-14-2013 02:22 PM
2003 2.3 5spd bogging down under acceleration turbodave General Technical Chat 9 07-12-2011 09:00 AM
Anyone else getting a 5spd manual 2012? CalgaryDrummer MK3 Focus 50 06-20-2011 07:33 PM
Difference between Auto & 5spd TBs? 1stTimeFocus00 ZETEC Performance (2000-2004) 2 11-07-2010 07:35 AM


All times are GMT -5. The time now is 02:29 AM.


Copyright 2002-2015 FocusFanatics.com. All Rights Reserved : : Advertise Information

Focus Fanatics Ford Focus Forum offers many fun ways for you to engage with other Ford Focus Owners from across the world. Whether it be about the aftermarket performance modifications, technical how-to's, European tuned suspension or awesome fuel economy similar to the Mazda CX-3, Audi S3, Mazda MX-5 Miata and Acura TLX. You can find all Ford Focus, Focus ST and Focus RS related information here. Join our Ford Focus discussion forums and chat with local Focus enthusiasts in your area. If you own other makes have a look at Challenger Hellcat Forum, Charger Hellcat Forum, Cadillac ATS-V Forum, Cadillac CTS-V Forum, Lexus RC-F Forum, Lexus GS-F Forum, Mercedes GLA Forum, Mercedes GLE Forum and Volvo XC90 Forum.




 

Search Engine Optimization by vBSEO 3.6.1