Welcome Guest ( Log In | Register )


Hello, we have answers for your Volvo-related questions!. Why not take a few moments to ask a question, help provide a solution or just engage in a conversation with another member in any one of our forums. Together we can make our Volvo community a better place.
 
Reply to this topicStart new topic
Do you like Volvo-Forums.com? Link to us and help spread the word about our forum. Thanks!
> Vibration/rough At Idle. New Plugs, 68k Miles, 05 S60 2.5t
Pcar993
post Oct 19 2012, 08:46 PM
Post #1


Newbie


Group: Members
Posts: 21
Joined: 10-October 12
Member No.: 111,723
Status: Offline
Location: Los Angeles
Drives: 2005 S60 2.5T



68k miles, 05 S60 2.5T

Vibration/rough at idle only. Otherwise the car runs very strong. I have just put in brand new Volvo spark plugs. During the rough idle, it almost sounds like the bassy noise that a diesel garbage truck makes when it stops next to you. Can it be the coils? I believe 2 out of the 5 coils have been replaced by the previous owner from the looks of it when comparing all 5.
Go to the top of the page
 
QuoteReply
Vermont
post Oct 20 2012, 05:53 AM
Post #2


Senior
***

Group: Members
Posts: 450
Joined: 15-October 10
Member No.: 80,050
Status: Online
Location: Vermont
Drives: 2002 Volvo S60



Is it throwing any Codes . . . . or is the Check Engine light on ?
Go to the top of the page
 
QuoteReply
Pcar993
post Oct 20 2012, 02:49 PM
Post #3


Newbie


Group: Members
Posts: 21
Joined: 10-October 12
Member No.: 111,723
Status: Offline
Location: Los Angeles
Drives: 2005 S60 2.5T



QUOTE (Vermont @ Oct 20 2012, 03:53 AM)
Is it throwing any Codes . . . . or is the Check Engine light on ?


No CEL. Unless its one of those "silent" codes where it doesnt trigger the CEL. I will check with the engine reader to verify. Thanks. Any other sugguestions?
Go to the top of the page
 
QuoteReply
Volvo Virgin
post Oct 20 2012, 07:03 PM
Post #4


Expert
****

Group: Members
Posts: 633
Joined: 25-July 06
Member No.: 17,785
Status: Offline
Location: UK
Drives: 2001 Volvo S60 T S



Have a read of my recent experience with this kind of problem ...
Misfire due to coil

Do you have a code reader?

Your problem may be different, mine didn't just run rough, there was a definite misfire and as mentioned in the thread - it only threw a code when the engine was really pushed.

Your other possibility is the good old throttle body - the idle often gets progressively worse even though it drives well otherwise. If this is the problem you might find it just needs a good clean.
Go to the top of the page
 
QuoteReply
Pcar993
post Nov 5 2012, 01:18 PM
Post #5


Newbie


Group: Members
Posts: 21
Joined: 10-October 12
Member No.: 111,723
Status: Offline
Location: Los Angeles
Drives: 2005 S60 2.5T



Well I only ran a bottle of injector cleaner which might have helped out slightly. I have had this car for only 2 weeks so appearantly, the vibration I'm feeling is normal since these engines are not as smooth as v6 engines according to a Volvo specialist. I'm getting 35mpg on the hwy so I think the engine is running above par. Any thoughts or comments regarding the vibration to being normal for these 5 cyl engines?
Go to the top of the page
 
QuoteReply
Vermont
post Nov 5 2012, 06:38 PM
Post #6


Senior
***

Group: Members
Posts: 450
Joined: 15-October 10
Member No.: 80,050
Status: Online
Location: Vermont
Drives: 2002 Volvo S60



Following on the Volvo Virgin, I also had a weird idling situation a while back with the idle oscillating between 450 and 900 RPM . . . . you'd think it was going to dies; but then it would catch itself and accelerate a mite.

A cheap manual scrubbing/cleaning of the throttle body (½ hour labor) did the trick for me; about 30,000 miles ago, so I gather it takes a while to get clogged up again. I'm now at 221,000.
Go to the top of the page
 
QuoteReply
danielm85948
post Nov 5 2012, 09:53 PM
Post #7


Senior Veteran
***

Group: Members
Posts: 2,789
Joined: 2-July 10
Member No.: 74,889
Status: Offline
Location: glasgow uk
Drives: volvo 940 se turbo 1991



QUOTE (Pcar993 @ Oct 19 2012, 09:46 PM)
68k miles, 05 S60 2.5T

Vibration/rough at idle only. Otherwise the car runs very strong. I have just put in brand new Volvo spark plugs. During the rough idle, it almost sounds like the bassy noise that a diesel garbage truck makes when it stops next to you. Can it be the coils? I believe 2 out of the 5 coils have been replaced by the previous owner from the looks of it when comparing all 5.

a rough idle can be a dirty idle control valve, take it off and clean it with carb cleaner spray into both the ports,as the piston can be sticking, inside.
Go to the top of the page
 
QuoteReply
Pcar993
post Nov 8 2012, 10:07 PM
Post #8


Newbie


Group: Members
Posts: 21
Joined: 10-October 12
Member No.: 111,723
Status: Offline
Location: Los Angeles
Drives: 2005 S60 2.5T



QUOTE (danielm85948 @ Nov 5 2012, 06:53 PM)
a rough idle can be a dirty idle control valve, take it off and clean it with carb cleaner spray into both the ports,as the piston can be sticking, inside.

Thanks. Where exactly is the idle control valve?
Go to the top of the page
 
QuoteReply
danielm85948
post Nov 9 2012, 01:34 AM
Post #9


Senior Veteran
***

Group: Members
Posts: 2,789
Joined: 2-July 10
Member No.: 74,889
Status: Offline
Location: glasgow uk
Drives: volvo 940 se turbo 1991



QUOTE (Pcar993 @ Nov 8 2012, 10:07 PM)
Thanks. Where exactly is the idle control valve?

under the plastic cover in the front of the engine,you standing at the front of the car,but i need to warn you,it can be the throttle body that needs cleaned, google electronic control module, and click on the you tube video to see how this is done.seems it does not have one, it is now part of your throttle body, see how this is done on you tube,

This post has been edited by danielm85948: Nov 11 2012, 03:58 AM
Go to the top of the page
 
QuoteReply
draser
post Nov 10 2012, 08:28 AM
Post #10


Senior
***

Group: Members
Posts: 236
Joined: 25-August 11
Member No.: 94,352
Status: Offline
Location: Detroit MI, USA
Drives: 2005 S60



I don't believe there's an idle control valve on these cars. There's some vibration at idle on mine, but not much. How did the old plugs look like? Did you have the vibration before replacing the plugs? You can try cleaning the throttle body and the MAF.
Go to the top of the page
 
QuoteReply
Pcar993
post Nov 10 2012, 10:21 AM
Post #11


Newbie


Group: Members
Posts: 21
Joined: 10-October 12
Member No.: 111,723
Status: Offline
Location: Los Angeles
Drives: 2005 S60 2.5T



QUOTE (draser @ Nov 10 2012, 05:28 AM)
I don't believe there's an idle control valve on these cars. There's some vibration at idle on mine, but not much. How did the old plugs look like? Did you have the vibration before replacing the plugs? You can try cleaning the throttle body and the MAF.

The old plugs looked fine. I have the exact same amount of vibration as the new plugs. So in other words, the plugs were not at fault.
Go to the top of the page
 
QuoteReply
danielm85948
post Nov 11 2012, 03:59 AM
Post #12


Senior Veteran
***

Group: Members
Posts: 2,789
Joined: 2-July 10
Member No.: 74,889
Status: Offline
Location: glasgow uk
Drives: volvo 940 se turbo 1991



QUOTE (draser @ Nov 10 2012, 09:28 AM)
I don't believe there's an idle control valve on these cars. There's some vibration at idle on mine, but not much. How did the old plugs look like? Did you have the vibration before replacing the plugs? You can try cleaning the throttle body and the MAF.

true now part of the throttle body, see how to clean it on you tube.
Go to the top of the page
 
QuoteReply
draser
post Nov 11 2012, 09:58 AM
Post #13


Senior
***

Group: Members
Posts: 236
Joined: 25-August 11
Member No.: 94,352
Status: Offline
Location: Detroit MI, USA
Drives: 2005 S60



The other thing that you may want to check is the condition on engine/tranny mounts. Start with the top and front ones, best is to have someone engage D and R and you look at the engine for movement. There is minute twisting as one engages the tranny, but no real movement.
Go to the top of the page
 
QuoteReply
Pcar993
post Nov 11 2012, 10:31 AM
Post #14


Newbie


Group: Members
Posts: 21
Joined: 10-October 12
Member No.: 111,723
Status: Offline
Location: Los Angeles
Drives: 2005 S60 2.5T



QUOTE (draser @ Nov 11 2012, 06:58 AM)
The other thing that you may want to check is the condition on engine/tranny mounts. Start with the top and front ones, best is to have someone engage D and R and you look at the engine for movement. There is minute twisting as one engages the tranny, but no real movement.

I loosened up the upper engine mount and the cross bar that holds the mount. I started the engine and had my dad put it in drive. I then tightened the bolts. The vibration is still there. It made no difference. I can feel the vibration in my seats and steering wheel.
Go to the top of the page
 
QuoteReply
draser
post Nov 11 2012, 12:28 PM
Post #15


Senior
***

Group: Members
Posts: 236
Joined: 25-August 11
Member No.: 94,352
Status: Offline
Location: Detroit MI, USA
Drives: 2005 S60



Is the idle at 650-700rpm when fully warmed up? If you can't feel any misses while running, and there are no codes, it's an idle control issue which is controlled by the electric throttle. So next step would be cleaning the throttle. The fact that using the injector cleaner helped some points to the fuel pressure, which may indeed affect idle. But before getting very involved with this, I'd do the easy stuff - throttle clean - there should be posts on how either here or this other forum:
http://www.matthewsvolvosite.com/forums/viewforum.php?f=9
Since you don't know the car's maintenance history, it's possible that the throttle body is dirty even at this low mileage. I'd check the air filter as well just to make sure. Looking at the inside of the air tube and top of the air box will give you an idea how often the air filter was replaced. If you bought the car from the dealer, like I did, you still have some warranty on the purchase, so I'll try that. I'd also check the engine oil - clear or black, and tranny oil - reddish color and feel no grit. These are not related to your issue, but give you an idea of the car's condition.
Go to the top of the page
 
QuoteReply
Pcar993
post Nov 24 2012, 11:20 AM
Post #16


Newbie


Group: Members
Posts: 21
Joined: 10-October 12
Member No.: 111,723
Status: Offline
Location: Los Angeles
Drives: 2005 S60 2.5T



problem fixed by 70%, it was the upper mount and lower mount. at 68,000 miles, both upper and lower mounds were not in good shape. maybe it's because the rubber is old since mine is a 2005 model. thanks to all those that help me out.

The reason why say 70% fixed is because there is still a slight vibration but that might just be from the nature of 5 cylinder engine.
Go to the top of the page
 
QuoteReply
mannymoejax
post Jan 10 2013, 01:27 PM
Post #17


Newbie


Group: Members
Posts: 4
Joined: 10-January 13
Member No.: 114,068
Status: Offline
Location: USA
Drives: 2000 Volvo S40



I read your post and though we have different engines, the solution I posted my help you. Regards.

Today, 09:07 AM
Post #1


Newbie


Group: Members
Posts: 3
Joined: Today, 07:22 AM
Member No.: 114,068
Status:
Location: USA
Drives: 2000 Volvo S40



Hey Guys, Brand new to the site and not really sure of the protocol for posting, so please forgive me for any mistakes I may make.

Here's where I am hoping someone can lend me some help. I recently purchased a 2000 Volvo S40 turbo. The car runs great and no engine code issues, but at cold idle,I have a rough vibration through the steering column and dash. No stumble, or miss fire, just a vibration. It does decline when engine warms, but it's always there. I should note that when the engine is at operating temp, the vibration is a little less pronounced when the trans is in Reverse, than when in drive or N or P. The car also has a pronounced "deep" bassy exhaust sound when cold, that too declines when engine warms. I have read many solutions online that don't seem to apply to my situation. The car has aprox 128k miles, running 93 octane, recently switched to 87 octane plus lucas Fuel treatment additive for octane boost to cut fuel cost. Vibration with 93 and 87 fuel.

I have verified that all the engine mounts are very good, even changing the rear right, and trans mount. I have also verified that the sub frame mounts are good and installed correctly. I have checked compression (#1-160 psi, #2-160 psi, #3-165 psi, #4-170 psi) and it's balanced and well within spec. I verified that the exhaust system is mounted correctly and that it doesn't touch the chassis anywhere it shouldn't. I did check all the spark plugs and did notice that they are a bit carbonized or black (not gray), which may indicate a "rich" fuel mixture. They were all properly gapped.

I have read all about the various sensors that affect fuel mixture, but I haven't any "codes", so don't know where to start looking. I did read where the S40 turbo (non GDI) engine utilizes a "wasted spark" ignition system, meaning each spark plug fires at the top of the compression stroke as well as the top of the exhaust stroke. Is it possible fouled injectors could cause fuel injection/ignition during the exhaust stroke, and thus create this "vibration"?

I am out of ideas, and appreciate any help anyone can offer.



mannymoejax
Today, 01:21 PM
Post #2


Newbie


Group: Members
Posts: 3
Joined: Today, 07:22 AM
Member No.: 114,068
Status:
Location: USA
Drives: 2000 Volvo S40



Ok, I have been on the engine since I posted this am. Remember, I got this car second hand from the original owner. So I have no real knowledge of the car or the history.

I am glad to say it is fixed! Yeah!!!

Before I get to the solution, let me tell you how I went about finding the problem. I decided to transfer the weight of the motor to the concrete floor in my garage. My logic was if the vibration was motor mount related, it would show itself, and if it was anything else, it would still malfunction with the weight of the motor/trans assembly unweighted from the vehicle. I did this by jacking up the car with the factory jack behind the front wheel and placing a cut to length 4 x 4 vertically under first the trans, and then the front (pass side) of the motor. First jack the car up, block the trans and let the factory scissor jack down just enough that the wood was now supporting the weight of the trans. Got in and started her up, no improvement. Let the trans back down to weigh on the mount and repeated the process on the pass side under the oil pan. Got in and started her up. Wow, smooth as glass in all transmissions drive positions.

I adjusted the height of the jack so I could remove and inspect the front (pass side) top motor mount while the wood 4 x 4 block is still supporting the bottom of the engine. When I removed it, I inspected it and noticed no wear or tears, but I did take notice of a hard clear plastic spacer/isolator that is part of the mount. It turns out this spacer or stabilizer or isolator is removable. I notice as well that it has created an indentation in part of the rubber mount where it was located. For all I know, this is a performance mount or maybe the plastic portion is there as sort of a wear indicator, but that made no sense to me. Who has ever heard of a wear indicator on a mount. Anyway, I removed the hard plastic piece, reinstalled the motor mount, an viola, everything is smooth as glass.

I'll keep an eye on the mount to see if anything changes, but why would it.

I would like to hear back from anyone out there with a similar experience or whom has also been pulling their hair out with this crazy steering wheel column vibration.

Thanks for the great site.

Mannymoejax
Go to the top of the page
 
QuoteReply
« Next Oldest 2009 and Below S60 Next Newest »
  Advanced Search

1 User(s) are reading this topic (1 Guests and 0 Anonymous Users)
0 Members:

Reply to this topicStart new topic
Get your Volvo listed in the Garage Today, for FREE, to share with the world what you drive and what toys and modifications you have.

Collapse

> Similar Topics

  Topic Replies Topic Starter Views Last Action
No New Posts S60 With Heico Bits
12 Arith 4,316 5th July 2014 - 08:19 PM
Last post by: Zangado
No New Posts New Member
0 mirkec_one 102 9th June 2014 - 12:45 PM
Last post by: mirkec_one
No New Posts New Radio
1 nicolie 153 6th May 2014 - 09:31 AM
Last post by: danielm85948
No New Posts 05 Xc90 Drivers Window
1 PAVOLVO 497 15th April 2014 - 02:49 PM
Last post by: guiseppe
No New Posts 05 Xc90 2.5t - Low Coolant **** Light
3 PAVOLVO 493 4th March 2014 - 11:02 AM
Last post by: PAVOLVO

 
> Link To Us
If you found our site useful please link to us <a href="http://www.volvo-forums.com">Volvo-Forums.com</a>.
 
Time is now: 29th July 2014 - 05:42 AM
© 2004 Volvo-forums.com
Volvo-Forums.com is not affiliated with or endorsed by Volvo Car Corporation.
Privacy Statement