Yaris is shaking :( - Toyota Yaris Forums

33OH · 07-29-2013, 03:14 PM

Hi all,

I have an '08 Yaris, 130k miles, manual trans, with a vibration - even at idle.

No CEL, and it doesn't appear to be missing.

I thought motor mounts, so I went ahead and replaced every single one, including the motor to tranny dogbone mount.

Still shaking, even worse now that I've replaced motor mounts (but probably because these are tight now with no tolerance for vibration.)

Any ideas on what to check next?

Sir A.Y. Atoyot · 07-29-2013, 05:36 PM

Possibly one of the plugs isn't firing properly due to a coil or wiring issue. This would likely show up on a proper Toyota dealership diagnostic session - maybe expensive.

33OH · 07-30-2013, 08:56 AM

I do not believe it a misfire, but I did look into it at first. Also just swapped in new plugs just in case.

Thanks for the response!

racerb · 07-30-2013, 10:32 AM

I thought you were selling this car? If it has issues, how much cheaper could I get from you now??

racerb

33OH · 07-30-2013, 03:41 PM

I was a few months ago (before it had issues) when I had my Subaru. Sold that and kept the Yaris.

racerb · 07-30-2013, 06:06 PM

Good man, the Yaris has most likely got a simple issue, maybe even a coil-pack breaking down. At 130K, things like that can start to happen, it's pretty common!

racerb

xnamerxx · 07-30-2013, 06:25 PM

Check the o2 and MAF sensor.

dragoonmc · 07-30-2013, 09:03 PM

Did you recently disconnect the battery?
I did that last night and noticed it shaking bad at idle now and in didn't before but I kind of remember it doing this the last time I disconnected the battery and expect it to get better soon

CTScott · 07-30-2013, 09:28 PM

Quote:

Originally Posted by dragoonmc

Did you recently disconnect the battery?
I did that last night and noticed it shaking bad at idle now and in didn't before but I kind of remember it doing this the last time I disconnected the battery and expect it to get better soon

If it doesn't get better quickly on its own, then clean the throttle body. There is a TSB about rough idle after disconnect where the solution is to clean the carbon deposits from the throttle body.

racerb · 07-30-2013, 10:20 PM

CTScott may be right on the money on this one, my old Rav4 used to do that until I cleaned the throttle body and MAF sensor, but be very careful with the MAF it's pretty delicate!! Worst part on the Rav, was it would actually cause the throttle butterfly to stick making taking off from a stop worse than the FBW hesitation!!

racerb

33OH · 07-31-2013, 08:42 AM

Thanks Scott, I'll check the throttle body out. I remember it had some salt deposits on it anyway, so it's a good place to start. MAF was pretty damn clean, just had it out, so I'll check the TB first.

CrankyOldMan · 07-31-2013, 07:53 PM

I'm thinking I may be in the same boat: rough idle, stalling when coasting to a stop, frequent P0171, RPM hunting, etc. My thought is that the PCV is dumping an awful lot of oil back into the Blitz intake tube--it was wet the last time I pulled off the hoses. Perhaps time for an oil catch can...

33OH · 08-01-2013, 08:48 AM

I did have the P0171 in my code history, but it's not throwing the code now. May be completely unrelated.

I'm not having any oil inside my intake tube though.

justjesus · 08-01-2013, 05:05 PM

check for a vacuum leak as well.

junorico24 · 08-06-2013, 12:46 AM

Engine mount? Mine is kinda vibrating too.

jRoss · 08-06-2013, 03:10 AM

My engine shakes too, can't really figure out why. The only thing I have installed under the hood is an MI pulley which I have since reinstalled. I fear the worst, maybe I tightened the belt too tight and it bent the crankshaft or something. Idk what the heck to do :/ but I've tried everything I know to fix it and it continues to shake but runs fine for now...

33OH · 08-15-2013, 03:59 PM

Quote:

Originally Posted by CTScott

If it doesn't get better quickly on its own, then clean the throttle body. There is a TSB about rough idle after disconnect where the solution is to clean the carbon deposits from the throttle body.

Did this, no avail. Any other thoughts?

CTScott · 08-15-2013, 04:12 PM

Quote:

Originally Posted by 33OH

Did this, no avail. Any other thoughts?

Hmm if that did not help, it could be any of the above (MAF, coil pack going, etc. or it could be a fuel issue (dirty injectors, plugged filter).

07-29-2013, 03:14 PM	#1
33OH Drives: '08 Yaris Join Date: Oct 2008 Location: Dover, Ohio Posts: 7,606	Yaris is shaking :( Hi all, I have an '08 Yaris, 130k miles, manual trans, with a vibration - even at idle. No CEL, and it doesn't appear to be missing. I thought motor mounts, so I went ahead and replaced every single one, including the motor to tranny dogbone mount. Still shaking, even worse now that I've replaced motor mounts (but probably because these are tight now with no tolerance for vibration.) Any ideas on what to check next?

07-30-2013, 10:32 AM	#4
racerb View User's Garage Drives: 2010 Yaris HB Blazin' Blue Join Date: Feb 2011 Location: Leland, NC Posts: 444	I thought you were selling this car? If it has issues, how much cheaper could I get from you now?? racerb __________________ racerb '86 Celica GT '87 Celica GT-S '98 Rav4L '01 Tundra SR5

07-30-2013, 06:06 PM	#6
racerb View User's Garage Drives: 2010 Yaris HB Blazin' Blue Join Date: Feb 2011 Location: Leland, NC Posts: 444	Good man, the Yaris has most likely got a simple issue, maybe even a coil-pack breaking down. At 130K, things like that can start to happen, it's pretty common! racerb __________________ racerb '86 Celica GT '87 Celica GT-S '98 Rav4L '01 Tundra SR5

07-30-2013, 09:03 PM	#8
dragoonmc Drives: 07 hatchback Join Date: May 2012 Location: Illinois Posts: 118	Did you recently disconnect the battery? I did that last night and noticed it shaking bad at idle now and in didn't before but I kind of remember it doing this the last time I disconnected the battery and expect it to get better soon __________________

07-30-2013, 10:20 PM	#10
racerb View User's Garage Drives: 2010 Yaris HB Blazin' Blue Join Date: Feb 2011 Location: Leland, NC Posts: 444	CTScott may be right on the money on this one, my old Rav4 used to do that until I cleaned the throttle body and MAF sensor, but be very careful with the MAF it's pretty delicate!! Worst part on the Rav, was it would actually cause the throttle butterfly to stick making taking off from a stop worse than the FBW hesitation!! racerb __________________ racerb '86 Celica GT '87 Celica GT-S '98 Rav4L '01 Tundra SR5

07-29-2013, 05:36 PM	#2
Sir A.Y. Atoyot Drives: '08 5-door Join Date: Apr 2009 Location: Surrey, BC Canada Posts: 176	Possibly one of the plugs isn't firing properly due to a coil or wiring issue. This would likely show up on a proper Toyota dealership diagnostic session - maybe expensive.

07-30-2013, 08:56 AM	#3
33OH Drives: '08 Yaris Join Date: Oct 2008 Location: Dover, Ohio Posts: 7,606	I do not believe it a misfire, but I did look into it at first. Also just swapped in new plugs just in case. Thanks for the response!

07-30-2013, 03:41 PM	#5
33OH Drives: '08 Yaris Join Date: Oct 2008 Location: Dover, Ohio Posts: 7,606	I was a few months ago (before it had issues) when I had my Subaru. Sold that and kept the Yaris.

07-30-2013, 06:25 PM	#7
xnamerxx 0-60 in slow Drives: light blue liftback Join Date: Aug 2009 Location: so cal Posts: 926	Check the o2 and MAF sensor.

07-31-2013, 08:42 AM	#11
33OH Drives: '08 Yaris Join Date: Oct 2008 Location: Dover, Ohio Posts: 7,606	Thanks Scott, I'll check the throttle body out. I remember it had some salt deposits on it anyway, so it's a good place to start. MAF was pretty damn clean, just had it out, so I'll check the TB first.

07-31-2013, 07:53 PM	#12
CrankyOldMan 2ZR swap. DO IT! Ask how! View User's Garage Drives: 09 Meteoric Metallic HB Join Date: Feb 2011 Location: West Michigan Posts: 2,333	I'm thinking I may be in the same boat: rough idle, stalling when coasting to a stop, frequent P0171, RPM hunting, etc. My thought is that the PCV is dumping an awful lot of oil back into the Blitz intake tube--it was wet the last time I pulled off the hoses. Perhaps time for an oil catch can...

08-01-2013, 08:48 AM	#13
33OH Drives: '08 Yaris Join Date: Oct 2008 Location: Dover, Ohio Posts: 7,606	I did have the P0171 in my code history, but it's not throwing the code now. May be completely unrelated. I'm not having any oil inside my intake tube though.

08-01-2013, 05:05 PM	#14
justjesus View User's Garage Drives: 2008 Liftback Join Date: Oct 2008 Location: Orange County Posts: 962	check for a vacuum leak as well.

08-06-2013, 12:46 AM	#15
junorico24 Drives: toyota yaris yrs Join Date: Jun 2007 Location: Sydney Posts: 642	Engine mount? Mine is kinda vibrating too.

08-06-2013, 03:10 AM	#16
jRoss Drives: 2010 5spd sedan Join Date: Nov 2012 Location: Indianapolis, IN Posts: 137	My engine shakes too, can't really figure out why. The only thing I have installed under the hood is an MI pulley which I have since reinstalled. I fear the worst, maybe I tightened the belt too tight and it bent the crankshaft or something. Idk what the heck to do :/ but I've tried everything I know to fix it and it continues to shake but runs fine for now...

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