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bluexy Profile
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Date Registered: 05-2007
TOTAL POSTS: 125
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Re: vibration


hi if it was a leaky injector wouldnt my fuel economy be higher?
3/Jul/2007, 9:11 am Link to this post Send Email PM   Send Private Message
 
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Date Registered: 05-2007
TOTAL POSTS: 125
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Re: vibration


  spark plugs and coils all cleaned.starts better and smoother and the vibration has gone a little.now that i heard it from outside the car im thinking it could be the muffler somewhere but its seems to be coming from the engine bay somewhere.any idea?thanks
3/Jul/2007, 1:55 pm Link to this post Send Email PM   Send Private Message
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: vibration


A muffler vibration won't make it sound and feel like engine misfiring like you have described this problem initially.

If you can give us the exact description of the vibration, it'll make our guess work easier emoticon

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3/Jul/2007, 2:12 pm Link to this post Send Private Message MSN Blog
 
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Date Registered: 05-2007
TOTAL POSTS: 125
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Re: vibration


okay i turn the ignition on as the exy warms up there is a vibration as i sit in the drivers seat and it goes on and off until it warms up then its fine.it sounds like the engine but then i feel its like under the exy.its only when the exy is cold the vibration.
3/Jul/2007, 2:33 pm Link to this post Send Email PM   Send Private Message
 
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: vibration


Are you feeling the vibration through the steering or is it an overall type of vibration felt through the entire car?

Is the vibration accompanied with any sound or just a silent type of vibration?

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3/Jul/2007, 2:39 pm Link to this post Send Private Message MSN Blog
 
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Date Registered: 05-2007
TOTAL POSTS: 125
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Re: vibration


not the seering.i can here the vibration just go on and off through the car until it warms up then its fine when its at operating temp.as i drive as the motor warms up its fine but when i stop and its still warming up it starts again.fuel econ is fine.i use iridium plugs ngk.
3/Jul/2007, 2:59 pm Link to this post Send Email PM   Send Private Message
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: vibration


Are you using a K&N or the standard paper type air filter and if so, have you checked the state of your air filter at all? Some nissan dealer don't even touch the air filter unless you tell them so.

It might be a case of a clogged air filter.

If this is not the cause, start-up the car from cold and pop your head down under the car and see if any of the heat shields around the exhaust pipes are bent and touching.

Last edited by jalalski, 3/Jul/2007, 4:15 pm


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3/Jul/2007, 4:14 pm Link to this post Send Private Message MSN Blog
 
basshead Profile
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Date Registered: 02-2004
Location: Panania, Sydney
TOTAL POSTS: 2852
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Re: vibration


If it's idling to warm up, does the engine RPM change in line with the vibration levels?


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Rich. X-013(c)
'04 S2 ST Auto. Nudge_roofracks_tow_tints_Lightforce_GME_YokoGeoA/T-S_TBS_bashplate_50mm-spacer-lift
Click here to see >300MB of photos and videos All For His Glory.
4/Jul/2007, 9:57 pm Link to this post Send Email PM   Send Private Message MSN Yahoo Blog
 
bluexy Profile
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Date Registered: 05-2007
TOTAL POSTS: 125
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Re: vibration


the rpms are fine.i have been listening more to the noise.as i start the car the vibration starts straight away its like the exy struggles like maybe not enough spark or something.
12/Jul/2007, 6:07 pm Link to this post Send Email PM   Send Private Message
 
Eggins Profile
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Date Registered: 08-2004
Location: Brisbane
TOTAL POSTS: 184
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Re: vibration


Just for the record, a leaky injector wont noticeably affect your fuel economy, it only allows enough fuel to leak into the cylinder to foul the plug during starting.

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Shawn and Belinda Eggins
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12/Jul/2007, 6:50 pm Link to this post Send Email PM   Send Private Message
 


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