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18t, actuator, audi, cheap, functioning, leak, n75, regulator, symptoms, tdi, test, tt, valve, wastegate, wategate

N75 wastegate actuator valve explained/symptoms.

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ouwdee on 04-14-2010

02-15-2024 11:07 PM
by doublefisted007

560,334

0420, 18l, 18t, 2001, 2002, 30, a4, audi, code, finally, fix, found, p0420, po420, reason, tt, vacuum

P0420 NIGHTMARE!!!!

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1 2 3)

infamous107 on 12-22-2010

12-28-2023 09:32 AM
by trackfactory

216,791

Mk1 tt overheating at idle

Boosted01tt on 09-01-2015

01-03-2017 05:55 PM
by Darryl Jones Jr.

208,216

02, 18t, 2002, 2003, a4, a6, audi, audiworld, blinking, fix, indicator, light, oil, sensor, wiring, yellow

Flashing yellow oil sensor light?

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1 2)

Knightstick on 07-17-2008

05-20-2019 03:43 AM
by infamous107

162,031

18t, 2005, a4, a6, a8, audi, blinking, car, check, engine, flashing, light, shake, shaking, sputtering

HELP PLEASE: Check Engine Light Flashing and Engine Sputtering

Bphizzle on 08-06-2009

11-06-2009 08:28 PM
by oz4545

88,947

18t, 27t, a4, audi, demon, engine, install, installing, jetta, oil, prime, priming, putting, s4, steps, street, system, turbe, turbo

Putting in a new Turbo. How do you prime it with oil so it doesn't burn up on startup???

rd350 on 06-03-2005

08-09-2005 12:03 PM
by Silver Streakin'

79,533

100, 18t, 1992, a4, audi, bdf, cs, elbow, hose, intake, manifold, oil, pcv, tubing, vr6

AEB - PCV tube/hose under intake manifold

vtraudt on 10-29-2012

10-30-2012 05:24 AM
by johnwiz

52,692

2005, 4000, 42, a8, audi, ausi, blown, coolant, cost, gasket, head, issues, leak, replace, s5

Possible Blown Head Gasket - help to confirm my thoughts!!!

Turtle Power on 04-10-2011

05-05-2011 11:13 AM
by Turtle Power

52,349

10, 18t, accelerating, apr, audi, boost, chip, gauge, hold, holding, psi, s4, testing, turbo, vw

1.8T won't hold boost

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1 2)

jberg1 on 10-09-2009

01-27-2010 09:59 PM
by jberg1

48,302

2000, 2002, abs, audi, audio, brake, coupe, diagram, diagrams, lights, quattro, schematics, tt, wire, wiring

audi tt wiring diagram

bilcon19 on 03-08-2006

04-25-2006 06:58 AM
by SpideyTT!!!

46,541

17967, 42, a6, actuatorcabriolet, audi, code, control, drive, fixing, idle, j338, module, obd, p1559, speed, tdi, throttle, vag, vw

"17967 (p1559) throttle actuator control unit" ............ how o fix???

QuattrOZZy on 07-17-2006

08-23-2006 02:30 PM
by QuattrOZZy

37,968

18t, 20t, a3, audi, away, engine, extreme, idle, knocking, knocks, noise, sound, tapping, tt, vw

Extreme knocking noise in engine

no_se7en on 09-06-2011

04-22-2012 10:01 AM
by no_se7en

31,397

18t, 1999, 2001, 2002, a4, a6, audi, cam, chain, conversion, jetta, quattro, replace, solenoid, tensioner, vvt

VVT conversion 1.8T

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vtraudt on 11-24-2013

04-20-2019 05:41 AM
by Karim White

31,220

18t, 1998, 98, a4, a6, aeb, audi, bedienungsanleitungde, engine, larger, maf, mafs, oem, swap, tt, vr6

Larger MAF housing for 1.8T AEB

vtraudt on 10-22-2012

01-15-2013 09:30 AM
by rodhotter

30,072

18t, 2004, 30, a3, a4, audi, bad, coil, coilpacks, cyclinder, cylinder, installing, pack, packs, plugs, spark

Coil Pack Keeps Going Bad

HorschAudiA4 on 01-17-2008

11-15-2015 03:24 PM
by tjrmerk

29,661

18t, 2003, a4, a6, audi, b6, body, hum, key, reset, tb, throttle, turn, vr6, vw

throttle body resetting after replacement

ODARROC on 01-09-2008

01-14-2008 01:03 PM
by Ertman

28,598

18, 18t, 2003, a4, audi, cable, drive, engine, europe, life, pedals, psi, specs, sportec, stock, wheels

Questions about the basics of the 1.8T engine...

MRSK on 01-30-2006

03-12-2006 02:18 PM
by Kareem of Elise

27,497

18t, 2001, a4, audi, bad, check, engine, flashing, light, maf, misfire, p0171, p0300, p0301, p0302, sai

2001 A4 Q 1.8t - misfiring - P0171, P0300, P0301, P0302 - CEL flashing

dbarbau on 12-18-2010

08-01-2012 03:29 PM
by chinesedrunk

25,763

18t, 27, a4, audi, cover, exhaust, intake, manifold, order, pattern, spec, specs, torque, tourqe, valve

Intake, Exhaust, and Valve cover torque specs

Boilermaker v1.8t on 07-31-2007

07-31-2007 05:51 PM
by Ertman

25,548

18, 18t, audi, b5, oil, pan, s4, specs, torque, tt, turbo

torque specs for oil pan

Boilermaker v1.8t on 01-08-2008

01-10-2008 09:55 AM
by Ertman

25,222

18t, 99, aeb, big, boost, boostcontrol, controller, electronic, garrett, megasquirt, passat, software, t3t4, t4, turbo

99 Passat 1.8T AEB Motor with T3/T4 Turbo - How can I get this to run right?

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1 2)

gophaster on 07-25-2006

08-27-2006 04:59 PM
by bitjockey (bum)

24,668

16683, 18, 18t, 2004, a3, a4, audi, boost, code, failure, fault, p0299, passat, problem, underboost, vw

UnderBoost Problem... 2004 1.8T

FunktasticUSP on 02-16-2011

11-29-2014 12:54 PM
by wmerchle

23,869

18t, 2004, 30, a4, air, audi, avant, b5, clutch, emission, error, malfunction, p0441, pump, secondary

Secondary Air Pump Audi A4 B5 Error Code P0441 Emissions Failure – Simple DIY Fix

justins911 on 09-19-2013

09-20-2013 09:18 AM
by justins911

22,795

Rough idle and misfire on all cyl at idle, and above 60mph

Photoputz83 on 09-10-2015

09-25-2019 04:07 PM
by 00911b7S4

19,995

035103245a, 18t, 200, 2002, 30, audi, diagram, diagrams, part, pcv, soot, system, tailpipe, valve, vr6

moderate black soot on tailpipes and oil consumption

fabric8 on 07-17-2013

07-17-2013 05:15 PM
by Prospeeder

17,888

18t, 2003, 2871r, a4, audi, car, check, clatter, donor, forum, oil, pump, quattro, replacing, sludge, valve

Problems with new 2003 Audi A4 1.8T... please help

Mulaish on 12-09-2006

03-18-2007 01:34 PM
by newbie999

15,807

2001 1.8t quattro a4 can't find PCV valve

clyde10 on 07-05-2016

07-14-2016 05:00 PM
by John535is

15,429

18t, 1997, 1998, 99, a4, audi, blow, blowing, extended, mobil, performance, quattro, turbo, turbochargers, turbos

why do the turbos keep blowing on my a4?!

audizaka4 on 03-25-2011

12-17-2020 10:43 AM
by rd929

14,844

18, 18t, 2001, a4, audi, awm, b6, chain, cover, engine, idle, quattro, rattle, rattling, start, tensioner, timing

2001 A4 AWM 1.8T Engine rattle

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1 2)

deziking on 08-15-2013

09-18-2013 10:08 PM
by deziking

14,503

Epc light and check engine on

Protasius07 on 07-02-2018

11-13-2019 07:37 PM
by MelPerez

14,284

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