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Old 02-28-2011, 02:48 AM   #1
subbiechronic
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Unhappy Help! noob mistake

so i did a noob mistake, i decided to take off my manifold without disconnecting the batteries first, nyways i unplug everything needed to take the manifold off to fit my new inlet. after i put everything back, my car starts but when i try to reverse she dies, plus running super lean, 16-17, help.. dono if i need a tune or safe map

old turbo 16g, new fp green, cobb v2, 850cc injctrs, perrin front mount, turbo back
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Old 02-28-2011, 02:58 AM   #2
subbiechronic
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also feels like she is going to die at idle
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Old 02-28-2011, 03:01 AM   #3
XanRules
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Replace your manifold gaskets? Hope so.
Check ALL your vacuum connections - something is leaking.
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Old 02-28-2011, 03:22 AM   #4
Fat Black Pig Sac
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^^^^ +1

If you re-used old manifold gaskets , here is your problem
BTW, pretty good setup for a ...NOOB

Last edited by Fat Black Pig Sac; 02-28-2011 at 03:28 AM.
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Old 02-28-2011, 09:49 AM   #5
SubieBlue1
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Agree with XanRules wrt something's leaking. However, from a 16G to an FP Green with no pro-tune? Also, have you upgraded your fuel pump? Fill out your profile as we don't know what you're driving!
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Old 02-28-2011, 11:28 AM   #6
XanRules
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Quote:
Originally Posted by SubieBlue1
Agree with XanRules wrt something's leaking. However, from a 16G to an FP Green with no pro-tune? Also, have you upgraded your fuel pump? Fill out your profile as we don't know what you're driving!
Oh god, I couldn't decipher enough of the OP to catch that.

Yeeeeeah, that's a biiiig problem.
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Old 02-28-2011, 01:41 PM   #7
raggedoutsti
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Quote:
Originally Posted by SubieBlue1
Agree with XanRules wrt something's leaking. However, from a 16G to an FP Green with no pro-tune? Also, have you upgraded your fuel pump? Fill out your profile as we don't know what you're driving!
Hopefully he was just trying to install everything before he took it to get tuned. With 850 I'm sure he has a fuel pump, let's not assume he's stupid yet.
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Old 02-28-2011, 06:01 PM   #8
SubieBlue1
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Quote:
Hopefully he was just trying to install everything before he took it to get tuned. With 850 I'm sure he has a fuel pump, let's not assume he's stupid yet.
Which is why I asked the question!! Plenty of folks have made accidental "stupid mistakes".....myself included!
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Old 02-28-2011, 11:03 PM   #9
subbiechronic
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these are my mods, if it helps plz help lol


Cosworth CS600 Block
Cosworth S2 Cams (278intake 274Exhaust)
Forced Performance Green Turbo (3" inlet) with New SS oil line
APS DR725 FMIC
APS 70mm CAI
APS Hard Inlet Pipe
APS EL Header/Uppipe
APS 3.5" TBE
APS Race Fuel System (FRP/01)
APS TGV Deletes
ARC Titanium Pulley Cover
TurboXS Recirculating valve
Optima Red Top Battery
HKS DLI-2 Ignition amplifier
Cusco Engine and Transmission Mounts
Grimmspeed AOS
Stock Subaru Alarm
Stainless Steel Clutch Line
DW 1000CC Injectors
Walbro 255LPH Fuel Pump
PPG Straight Cut Dog Box (1-4) Stock 5th
Cobb Short Shifter
Perrin Shift Knob
Cobb Shifter Bushings
Exedy Stg1 Organic Clutch
ACT Streetlite Flywheel
AEM Triple Gauge Pod
AEM TruBoost Gauge/EBC
AEM UEGO Wideband
Greddy Oil Pressure Gauge
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Old 02-28-2011, 11:17 PM   #10
XanRules
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Are you tuned?

Good god almighty, is that what we're calling a n00b mod list these days?
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Old 02-28-2011, 11:19 PM   #11
FkVtech
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For a noob, you dove head first into a rubber band ball of potential problems.
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Old 02-28-2011, 11:43 PM   #12
STirocket
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Sounds like you've got some good hardware there, but as mentioned you need equally good software/firmware (tune) to support those mods. You mentioned having a problem after you did something to your intake. Was it running well prior to that?
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Old 02-28-2011, 11:59 PM   #13
Brando5185
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First post says 850cc injectors and a Perrin front mount

Your mod list says 1000cc injectors and an APS frontmount

Doesn't add up...
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Old 03-01-2011, 12:44 AM   #14
subbiechronic
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Sorry thought I wrote the right setup on the first post, but I called my brother to send me the full list, he built the car for me
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Old 03-01-2011, 12:46 AM   #15
subbiechronic
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It ran perfect before I decided to take out the manifold
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Old 03-01-2011, 12:55 AM   #16
Brando5185
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So you have had the 1000cc injectors the whole time? Or did you switch from the 850cc to the 1000cc because that could cause horrible idle and stalling as well if they have not been scaled.

If all you did was the manifold then it does sound like a vacumn leak somewhere.
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Old 03-01-2011, 12:57 AM   #17
nattywrx
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OMG, all those mods and no tune Throw the stock intake back on and see if that helps a little.
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Old 03-01-2011, 02:30 AM   #18
subbiechronic
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yes i had the 1000c all this time lol sorry im a noob,. but yes she was tuned when i had the 18g, i recently got the fp green getting tuned in 2wks, hopefully i can fix her by then. thnx for the help all
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Old 03-01-2011, 02:45 AM   #19
XanRules
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Quote:
Originally Posted by subbiechronic
yes i had the 1000c all this time lol sorry im a noob,. but yes she was tuned when i had the 18g, i recently got the fp green getting tuned in 2wks, hopefully i can fix her by then. thnx for the help all
The leak, plus the fact that you don't have a tune, is what's causing your problems.
Jesus.
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Old 03-01-2011, 03:36 AM   #20
Wunder
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If your brother built the car, have him fix the car. He obviously knows, judging by that mod list..
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Old 03-01-2011, 04:40 AM   #21
nasiocjunkie
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have you tried resetting your ecu?
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Old 03-01-2011, 09:09 AM   #22
army21b
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When i put on my manifold i had to adjust my idle up a good bit. Once i got it tuned i didnt have to. so adjust idle or get a tune
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Old 03-01-2011, 01:58 PM   #23
The Satch
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Quote:
Originally Posted by subbiechronic View Post
yes i had the 1000c all this time lol sorry im a noob,. but yes she was tuned when i had the 18g, i recently got the fp green getting tuned in 2wks, hopefully i can fix her by then. thnx for the help all
You should be trailering that car to the shop to get tuned and not attempting to drive it at all. Or risk a 6k motor, your choice. Pull the manifold back off, replace the gaskets, reinstall the manifold, and let the car sit until it gets tuned. I also would have gone with a larger fuel pump, but it may be too late for that now.
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Old 03-01-2011, 04:24 PM   #24
subbiechronic
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shoots wish my bro was here, he's all the way in the east coast and im stuck here in hawaii lol., but thnx all i will try and do all the advices u guys gave thnx again
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