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elRey
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« on: April 24, 2012, 10:32:13 PM »
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note my act boost vs req. and throttle plate and pedal.
I don't hear any release of pressure. Strange.
t3/t4 + ebc, no N75
If I lower boost same thing happens but later on (higher RPM).
log row 4600
Thanks,
Rey
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« Last Edit: April 24, 2012, 10:39:23 PM by elRey »
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elRey
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« Reply #1 on: April 24, 2012, 10:33:08 PM »
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another log.
I also notice MAF dips WAY down the instant it happens, In some cases 0-1 g/s
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« Last Edit: April 24, 2012, 10:36:42 PM by elRey »
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elRey
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« Reply #2 on: April 25, 2012, 01:23:33 PM »
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No DTCs. And MAP goes -2.xx. That like 5 inHG.
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IamwhoIam
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« Reply #3 on: April 25, 2012, 01:36:49 PM »
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stock turbo intake hose? sounds like it's collapsing, very common on 1.8Ts.
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I have no logs because I have a boost gauge (makes things easier)
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elRey
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« Reply #4 on: April 25, 2012, 02:15:46 PM »
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nothing close to stock. There are two hoses that I would consider: turbo inlet ->  intake hose from MAf (mk4 vr6)->   |
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elRey
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« Reply #5 on: April 25, 2012, 02:46:14 PM »
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I'll put a t-clamp around the intake tube after MAF to give some support and see if that helps. If not I'll move it to the turbo inlet hose.
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professor
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« Reply #6 on: April 25, 2012, 03:44:21 PM »
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I don't think that turbo intake hose is the problem.
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Seat Ibiza MK4 Cupra 1.8t 20V, stg3.
"Those 1.8T 20V machines are really tough" ©
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elRey
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« Reply #7 on: April 25, 2012, 04:28:12 PM »
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Which one? The silicone 90 bend or oem vr6 maf tube?
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littco
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« Reply #8 on: April 26, 2012, 03:04:42 AM »
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Its a little odd the MAF goes down to 0 almost instantly, if you had a collapsing tip I doubt it would completely cut of air supply to the Maf. Even if the tip did collapse the interial of the air being drawn in just prior to the boost loss would give a reading on the maf.
I don't suppose you have a dodgy connection to the maf that's giving an issue.
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professor
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« Reply #9 on: April 26, 2012, 10:18:49 AM »
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The 90 bend definitely not.
What littco say sounds logical.
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Seat Ibiza MK4 Cupra 1.8t 20V, stg3.
"Those 1.8T 20V machines are really tough" ©
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elRey
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« Reply #10 on: May 02, 2012, 07:49:17 PM »
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believe it or not, it was the 90 bend.
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