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Old 08-19-2017, 07:10 PM   #1
Fury8793
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Member#: 473153
Join Date: Aug 2017
Default 1 week owner, car runs like crap

Hey guys,

I just purchased my WRX from a dealership here in PA, 120k miles and to my knowledge it has been rebuilt in the last 25k miles. Today I was getting on the highway and then all of a sudden the exhaust tone completely changed. It sounds like utter ****, the idle is below 1000 RPM and shaky as all hell.

Yesterday, I took it to a local pep boys and they did a once over on everything and everything looked good. They fixed the license plate lights, removed and cleaned the battery connections and said it was in good running order. Now today, I was driving when this occurred and it just doesn't sound right, I cleaned the MAF, I checked connections, there's no signs really of a blown head gasket in the coolant. It has a injen intake, full Invidia exhaust, downpipe, Cobb BOV and that's where my knowledge of mods goes stagnant. Is it possible that the ecu somehow reset to factory settings? Could it have been tuned and then when they were cleaning the terminals it somehow reset to factory settings? I just find it odd that given the mods that the car didn't come with an Access port or anything, I was thinking maybe it went to a tuner possibly instead of taking the access port route..

I'll take some pictures and possibly a video to post it up. I didn't notice any knocking, no ticking, no CEL, oil is good and not milky at all, the entire car just vibrates at idle, it still builds boost, there was no air escaping around the turbo at all, the only thing I've noticed since purchase is a blown exhaust gasket underneath the car. Should I try resetting the ecu?
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Old 08-19-2017, 09:08 PM   #2
DrD
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Join Date: Aug 2002
Chapter/Region: SWIC
Location: Albuquerque, NM
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2012 Legacy 2.5GT
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Quote:
Originally Posted by Fury8793 View Post
I just purchased my WRX from a dealership here in PA, 120k miles and to my knowledge it has been rebuilt in the last 25k miles.
what year?
Quote:
Yesterday, I took it to a local pep boys and they did a once over on everything and everything looked good.
wouldn't be my first choice for fixing a car...
Quote:
It has a injen intake, full Invidia exhaust, downpipe, Cobb BOV and that's where my knowledge of mods goes stagnant.
It needs a tune with that - an accessport or some other solution. Is the downpipe catless?
Quote:
I just find it odd that given the mods that the car didn't come with an Access port or anything, I was thinking maybe it went to a tuner possibly instead of taking the access port route..
that would have been a good thing to sort out before buying it. You can pick up a used AP for not too much, depending on what version you want (2 or 3) and which model you need (can't say without knowing the year of the car) - there are usually a bunch of used ones in the classifieds on this site - make sure it's the right one, and is confirmed to be unmarried, and you should be good to go.

if you aren't familiar with working on modified cars, I'd bring it somewhere that is and have them take a look. If you post on your local forum, you should be able to get some recommendations as to where to go.
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Old 08-19-2017, 09:33 PM   #3
charlie_sheen
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Location: Hanover, PA
Vehicle:
04 WRX 95 Supra TT

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did pep boys take it for a "test drive" when they were done their work?

I'd be hopeful at this point to wonder if its a boost leak. Maybe a major one. check vacuum lines especially intercooler couplers
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Old 08-19-2017, 09:36 PM   #4
Fury8793
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It's a 2009, made on the dreaded 09/08
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Old 08-19-2017, 09:38 PM   #5
Fury8793
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Originally Posted by charlie_sheen View Post
did pep boys take it for a "test drive" when they were done their work?

I'd be hopeful at this point to wonder if its a boost leak. Maybe a major one. check vacuum lines especially intercooler couplers
Haha no, I watched them through the glass actually while they worked and mainly bull****ted. They said fluids were okay, dealership said fluids were okay but guess what? Oil was low, well below the "low" mark. It sounds like it has rod knock now honestly, I'm having AAA tow it to the dealership tomorrow.
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Old 08-20-2017, 01:18 PM   #6
Bikelok
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2002 WRX wagon 5mt
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Quote:
Originally Posted by Fury8793 View Post
Haha no, I watched them through the glass actually while they worked and mainly bull****ted. They said fluids were okay, dealership said fluids were okay but guess what? Oil was low, well below the "low" mark. It sounds like it has rod knock now honestly, I'm having AAA tow it to the dealership tomorrow.


Fill out your profile so we know more about you without having to ask.

Instead of the dealer, go to your regional forum. Ask there for a GOOD local shop to you, THAT UNDERSTANDS modified cars. It'll be cheaper and they will work with your mods.
Sometimes dealers will reflash a car, erasing any tune the car might have had. A good shop will also tell you if you have a proper tune for the car.
Dealers can be good for stock cars but they are expensive.
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Old 08-20-2017, 02:06 PM   #7
Mulder
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15 WRX/05 GTO

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Dealer or no, you should have got a thorough pre- purchase inspection done by an independent Subaru mechanic or shop. That ship has sailed but now you need to get a post-purchase inspection to see exactly what you bought.
Also it's a big no-no for a dealer to sell a car with modified or removed emissions equipment, so you could insist they either return the car to stock or take it back.
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Old 09-03-2017, 10:48 PM   #8
cmiovino
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2004 WRX Premium
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Intake, BOV, meh, sounds like a box of problems. Who knows what tune is on it or who did it.

Pep Boys can barely work on stock commuter cars let alone modified WRXs.
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