2010 EB Flex Shudder/Shake

[glock-coma]

Are the flakes in fact metal? Have you pulled any out and cleaned them off to confirm?  If the turbo compressor shaft bearing is bad it will "wobble" and contact the inside of the housing and cause those shavings.


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[FaSSt9602]

Are the flakes in fact metal? Have you pulled any out and cleaned them off to confirm?  If the turbo compressor shaft bearing is bad it will "wobble" and contact the inside of the housing and cause those shavings.


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Not exactly, I noticed what looked like a flake in the cold side right at the TB.  When I tried to get the piece of "stuff" out, the piece dropped on the ground and I lost it.  Didn't really notice it on the hot side coming over the engine until I looked back at the pictures.  It looked shiny with the flashlight, it seemed solid when I pulled it out of the cold side, but I wasn't able to check it with a magnet to confirm.

Regardless, I'm thinking "stuff" shouldn't be on that side of the air filter/turbos...Thinking about picking up a cheap USB borescope to run down from the hot side pipe and see if the turbo looks to be hurt.

 

[SHOdded]

Second the borescope idea.  Good data to have for peace of mind if nothing else.

 

[66 Galaxie]

Evert I me it does it she is either coming to a stop or at a stop. It can happen after a long highway drive and stopping at an off ramp,  or just leaving the house and it did it at the end of our street.

Again, this is VERY sporadic.  It happens every couple months only.

And no misfires are being shown.

Based on these few things it could be a failing throttle body.

 

[TX MKS-T]

Wow your issue sounds so close to what I have been going through. On Accel it will sometimes shudder and CEL flash than regains itself and all is normal. Nobody can find any stored codes either when attempting to retrieve them. This started after I cleaned the I/C and removed the charge pipe so not sure if I messed something up but not too many things you can damage imo.


http://www.ecoboostperformanceforum.com/index.php/topic,6043.0.html

 

[93Cobra]

Wow your issue sounds so close to what I have been going through. On Accel it will sometimes shudder and CEL flash than regains itself and all is normal. Nobody can find any stored codes either when attempting to retrieve them. This started after I cleaned the I/C and removed the charge pipe so not sure if I messed something up but not too many things you can damage imo.


http://www.ecoboostperformanceforum.com/index.php/topic,6043.0.html

Yours sounds like condensate buildup and blown out spark causing misfires. I fixed mine by drilling the weep hole to evacuate the condensate and installing new SP534 plugs gapped to .030.

 

[FoMoCoSHO]

Wow your issue sounds so close to what I have been going through. On Accel it will sometimes shudder and CEL flash than regains itself and all is normal. Nobody can find any stored codes either when attempting to retrieve them. This started after I cleaned the I/C and removed the charge pipe so not sure if I messed something up but not too many things you can damage imo.


http://www.ecoboostperformanceforum.com/index.php/topic,6043.0.html

Yours sounds like condensate buildup and blown out spark causing misfires. I fixed mine by drilling the weep hole to evacuate the condensate and installing new SP534 plugs gapped to .030.

His problem started after he cleaned his intercooler and that is your advice?

Why don't you ever tell people that this will void their intercooler warranty?

Actually they may have problems getting lots of things covered if there is an issue and a sharp tech finds the leak. They won't touch it until the boost leak is removed.

 

[FaSSt9602]

So I haven't done anything to the car yet other than doing some data logging and I'm not seeing anything out of the ordinary.  In the last couple weeks I questioned my wife on her gas mileage (got a deer in the headlights look) and asked her to start logging her mileage between fill-ups.  I haven't had a chance to fill up again, but on this last tank, she has right at 200 miles and less than an 1/8 of a tank left.  Once I fill up, I'll know where it is, but it looks as though this tank might come in at about 13.3 mpg. 

So she is out of town this weekend so I figure it is the perfect time to tear into her car a bit and change plugs.  The current plugs have about 40k on them (non-tuned) and we replaced by the dealer when we were troubleshooting (what was found to be the cracked piston resulting in a new short block) and are the 534's.

When I pulled out the plugs first thing I found was front drivers side coil clip was broken.  It seats and stays in place, but the plastic retainer piece is gone (note I have yet to document a true misfire while diagnosing this issue, so I'm very hesitant to say this is causing any issues).  Guessing the dealer must have broke it at some point because up until this point, other than oil changes, no one else (including me) has been working on this part of the engine.

Coils looked good.  No oil on any of the coils.

Plugs came out good.  Looked pretty decent to me, but some of you guys are a little better at reading a DI plug.  All had gaps of about .031 (one I could squeeze .032), so I didn't have massive gaps that I was reluctantly hoping for so I could say with confidence that I found the root of my problem.

Anyway, here are a few pictures of the plugs laid out according to how they were installed.  Top of picture is passenger side, right side is near firewall (sorry, don't know cylinder numbering on this engine).  What are your thoughts on the condition of the plugs?  Anyone think I found a cause of the random stumble and/or recent loss in fuel mileage?

Firewall side

Front side

Also, while I was in there I pulled the intake tube off near the TB and used the dipstick to see how much oil was in the IC.  This is with the car flat on all fours.  Guessing I need to do a little IC cleaning.

 

[ZSHO]

PIC'S ARE MIA!!! BTW you can always purchase the red clip for added security and for a peace of mind.  Z  15.04  http://www.rockauto.com/en/catalog/ford,2013,taurus,3.5l+v6+turbocharged,1503823,electrical-connector,ignition+coil+connector,2592?a=Referer+www.google.com+URL+%2F 

 

[FaSSt9602]

Pictures are loaded and show up in 3 different browsers...

 

[sholxgt]

Maybe set to private?  I don't see them either

 

[FaSSt9602]

Maybe set to private?  I don't see them either

I don't know.  The new Google photo system is finicky...They are in a shared album, links are to the shared photos, so I don't know.

 

[ZSHO]

So I haven't done anything to the car yet other than doing some data logging and I'm not seeing anything out of the ordinary.  In the last couple weeks I questioned my wife on her gas mileage (got a deer in the headlights look) and asked her to start logging her mileage between fill-ups.  I haven't had a chance to fill up again, but on this last tank, she has right at 200 miles and less than an 1/8 of a tank left.  Once I fill up, I'll know where it is, but it looks as though this tank might come in at about 13.3 mpg. 

So she is out of town this weekend so I figure it is the perfect time to tear into her car a bit and change plugs.  The current plugs have about 40k on them (non-tuned) and we replaced by the dealer when we were troubleshooting (what was found to be the cracked piston resulting in a new short block) and are the 534's.

When I pulled out the plugs first thing I found was front drivers side coil clip was broken.  It seats and stays in place, but the plastic retainer piece is gone (note I have yet to document a true misfire while diagnosing this issue, so I'm very hesitant to say this is causing any issues).  Guessing the dealer must have broke it at some point because up until this point, other than oil changes, no one else (including me) has been working on this part of the engine.

Coils looked good.  No oil on any of the coils.

Plugs came out good.  Looked pretty decent to me, but some of you guys are a little better at reading a DI plug.  All had gaps of about .031 (one I could squeeze .032), so I didn't have massive gaps that I was reluctantly hoping for so I could say with confidence that I found the root of my problem.

Anyway, here are a few pictures of the plugs laid out according to how they were installed.  Top of picture is passenger side, right side is near firewall (sorry, don't know cylinder numbering on this engine).  What are your thoughts on the condition of the plugs?  Anyone think I found a cause of the random stumble and/or recent loss in fuel mileage?

Firewall side

Front side

Also, while I was in there I pulled the intake tube off near the TB and used the dipstick to see how much oil was in the IC.  This is with the car flat on all fours.  Guessing I need to do a little IC cleaning.

Pic's sweet....Definitely based from the pics you will need to get a suction type compressor air gun to remove the excess oil inside the CAC especially at ground level[on all fours] and the front plugs looks good IMO based from the current mileage on them besides the rear which look  a bit well done IMO.  SP-534 ? . Z

 

[FaSSt9602]

Yes, those that came out were 534's, and those that went back in were 534's with gaps confirmed to .030