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08-11-2008, 04:35 PM | #1 |
Scooby Newbie
Member#: 186657
Join Date: Aug 2008
Vehicle:2008 WRX/Premium 5d |
Please help - tubo hesitation/stutter on '08 WRX - 3100 miles
Howdy. I am about to take my car for the first service and I have an issue that's really bugging me and I want to make sure it's not just me. I have an 08 WRX 5-door manual. When flooring the accelerator WOT or 3/4 I get a stutter in the turbo boost that's quite pronounced. This happens throughout the rev range. The car is only 3000 miles old and has always done it - it's not gotten any better. Is it me? Is this normal (I don't think so) but this is the first Subaru I have owned...
Any suggestions? I really value your assistance. Thanks Spinadog. PS: sorry for the three useless posts - I just needed to get enough to post this thread.
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08-11-2008, 05:05 PM | #2 |
Scooby Newbie
Member#: 47843
Join Date: Nov 2003
Chapter/Region:
Tri-State
Location: New york
Vehicle:2002 WRX silver |
WOW 3000 miles you are at WOT. did you break it in first or just break it?
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08-11-2008, 06:29 PM | #3 |
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Location: Northern New Jersey
Vehicle:2011 3.6R Legacy LTD Steel Silver Metallic |
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08-11-2008, 06:35 PM | #4 |
Scooby Specialist
Member#: 174022
Join Date: Mar 2008
Chapter/Region:
TXIC
Location: Alamogordo/El Paso
Vehicle:2008 WRX Lightning Red |
The book says 1k before WOT, so he is fine. Answering your question OP, its the factory tune that is giving you that feeling. Cobb stage 1 or a Open source tune will get rid of the problem you are having.
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08-11-2008, 06:46 PM | #5 |
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Member#: 171076
Join Date: Feb 2008
Chapter/Region:
SCIC
Location: Lancaster, CA.
Vehicle:2011 Wrx DGM STG 2 |
i no longer have the problem after getting the AP STG1 and now STG2 but when i first got the car it was pretty annoying...
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08-11-2008, 06:59 PM | #6 |
Scooby Newbie
Member#: 186657
Join Date: Aug 2008
Vehicle:2008 WRX/Premium 5d |
Thanks for replies - however, it's a lease car (not that I abuse lease cars but I treat it without kid gloves, so to speak). I gave it the correct running in process. The hesitation is pronounced and really annoying - it sure feels like the fuel is being cut off in a stuttering feel - almost like a blocked injector. I feed it good gas (only Chevron). I also get a rough idle too, but this may be normal. As mentioned I get the same feel at 3/4 throttle too.
I just wondered if we had anyone out there who had felt the same experience with their 2008 model and whether this is a normal condition. (edit: since it's a lease car, that's why any upgrades are out of the question. I just want a smooth running car!) |
08-11-2008, 08:56 PM | #7 |
Scooby Specialist
Member#: 171076
Join Date: Feb 2008
Chapter/Region:
SCIC
Location: Lancaster, CA.
Vehicle:2011 Wrx DGM STG 2 |
Mine is a lease!!! but all easly removable and re-sellable...
Thats just how the car is tuned from the factory, it will usually only do it the first time you go WOT then after that its good until you drive for awhile cruising then get back on it it will do it again... |
08-11-2008, 10:23 PM | #8 |
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Location: MN
Vehicle:2o11 wrx dgm 2oo8 tribeca swp |
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08-12-2008, 12:26 AM | #9 |
Scooby Specialist
Member#: 174022
Join Date: Mar 2008
Chapter/Region:
TXIC
Location: Alamogordo/El Paso
Vehicle:2008 WRX Lightning Red |
AccessPort can always be reversed and sold after you turn the vehicle back in.
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08-12-2008, 12:56 PM | #10 |
Scooby Specialist
Member#: 57849
Join Date: Mar 2004
Chapter/Region:
NESIC
Vehicle:2008 WRX OBP |
My 08 has some surging effects when I accelerate hard. Haven't tried WOT though.
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08-12-2008, 04:08 PM | #11 |
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Member#: 186153
Join Date: Aug 2008
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I had hesitation right around 2700 rpm, especially in second gear... the car would shutter a bit, kick back and then run through the rest of the tach. Some times it was much worse that others, but happened more when going up hills or being cold. My car was a lemon and leaked oil also, so that might have had something to do with it. It was an 08 5 door.
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08-12-2008, 06:57 PM | #12 | |
Scooby Newbie
Member#: 186657
Join Date: Aug 2008
Vehicle:2008 WRX/Premium 5d |
Quote:
Thanks |
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08-13-2008, 12:24 PM | #13 |
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Member#: 186153
Join Date: Aug 2008
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.....
Last edited by EDTIVA; 09-07-2008 at 09:36 PM. Reason: legal reasons |
08-13-2008, 11:15 PM | #14 |
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Location: Las Vegas
Vehicle:2016 STI Limited DGM |
I've noticed similar problems . . . although I am not leaking oil, I do notice that there seems to be what I would call and "uneven" application of power, and NO I am NOT feeling turbo-lag, I know exactly what that feels like.
What I feel is more like I am driving through puddles . . . inconsistent acceleration. It is most noticeable in 2nd and 3rd gears (probably because thats where I open the throttle the most). |
08-14-2008, 01:28 AM | #15 |
Scooby Newbie
Member#: 186657
Join Date: Aug 2008
Vehicle:2008 WRX/Premium 5d |
That's another great way to describe the feeling - it's not a 'lag' before engagement but an uneven power application, like a surge that comes in waves. I guess stutter is not quite the right term, since it's not that harsh but you can clearly feel the motor power fluctuating by 10% or so. Let's see what happens when I visit the dealer next week. I have some buddies in Subaru too so I may ask them for assistance should I get no resolution....
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08-14-2008, 02:27 PM | #16 | |
Scooby Newbie
Member#: 153116
Join Date: Jul 2007
Chapter/Region:
South East
Location: Sarasota, Fl
Vehicle:2008 WRX 5-Door SWP Necklace |
Keep us updated. I also have the "running through puddles" feeling.
Quote:
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08-14-2008, 10:52 PM | #17 |
Scooby Newbie
Member#: 122242
Join Date: Aug 2006
Location: Down the Bayou
Vehicle:2006 WRX LTD Aspen White |
I had the exact same thing on my 06 wrx. The stock tune was terrible. After cobb stage 1 it was all better. The only way to fix this is to get an aftermarket tune of some sort. If you look at Unabomber's manifesto on Engine Management, he says that engine management (a tune) is "required" on all 2004+ turbo subarus except STI. I have to agree with that statement.
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08-14-2008, 11:01 PM | #18 |
Scooby Specialist
Member#: 75071
Join Date: Nov 2004
Chapter/Region:
Tri-State
Location: Long Island
Vehicle:23 Solterra,ModelY Old: 05 08 11 WRX, 18 STI |
Neither of my 08's have any issues. Sometimes when WOT I will a slight wave but I almost think that is me slightly lifting off the throttle. Not sure.
But I do not have any hesitation, bucking, or anything like that. Red 08 = 19,000 mi White 08 = 12,000 mi No mechanical issues at all. |
08-27-2008, 12:49 PM | #19 |
Scooby Newbie
Member#: 186657
Join Date: Aug 2008
Vehicle:2008 WRX/Premium 5d |
Update: Finally went to the dealer - dealer could find nothing wrong with it but admitted that the 'stutter' was within specifications. I must admit that, at 3800 miles it's been getting a little better. If it is still persistent, I'll get a tech to ride along with me. I'll give it until my next oil change...
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