Threads Tagged with lean

Mass air flow sensor normal reading ?

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1 2)

Happboy on May 13, 2024

Jun 2, 2024 07:59 AM
by Happboy

19

6,666

RX - 3rd Gen (2010-2015)

lean, troubleshooting, vacuum leak, vvt, vvt solenoid

P1349, 12-18% lean, VVT Solenoid & Filter Replaced - PLEASE HELP!

DanielleAlek on Jan 1, 2024

Feb 7, 2024 12:18 PM
by DanielleAlek

9

1,793

350, 98, car, cat, catalyst, catalytic, cats, causing, code, completed, condition, converter, gs300, lean, lexus, running, rx350

Car running Lean suspect Catalyst converter

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coldspring on Apr 2, 2011

Jun 9, 2022 08:21 AM
by gak6

21

25,078

0171, 99, bank, emissions, error, es300, gs300, lean, lexus, p0171, pc, security, system, systemerror, troubleshooting

What component causes a p0171 system too lean bank one error code?

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ovoxolexus on Mar 7, 2013

Mar 5, 2022 01:29 PM
by Hayk

36

58,932

Lean code bank 1

Jimbo1234 on Nov 25, 2019

Dec 7, 2021 05:39 PM
by SENSAY813

10

7,895

LS - 4th Gen (2007-2017)

250, car, feels, i250, idle, is250, is350, lean, lexus, light, reduce, shakes, shakey, shaking, shudder, stop

Does your IS250 or Is350 Shakes when idle?

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trdsw20 on Jun 18, 2008

Mar 30, 2021 08:48 AM
by ncatona

21

39,128

IS - 2nd Gen (2006-2013)

air, fuel, horse, horsepower, hp, improve, increase, lean, lose, maximum, power, ram, sc400, short, shortramintakeperformancegains, supercharger, vehicross

Short Ram Intake - the horsepower increase myth

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mitsuguy on Oct 24, 2011

Dec 15, 2020 09:02 PM
by sunamer

20

42,292

Maintenance

banks, cruise, cylinder, engine, es330, fuel, injector, intermittent, lean, lexus, ls430, major, misfire, misfires, miss, multiple, replacing, slight, system

Cylinder Misfire!! Major Pain

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LexusLoyal on Sep 2, 2010

Aug 14, 2020 07:06 PM
by YODAONE

20

50,963

LS - 3rd Gen (2001-2006)

01, 02, 171, 1999, 2000, 300, 400, 400po171, 99, bank, code, codep0171, codes, error, gs, lean, lexis, lexus, means, p0171, po0171, po171, rx, rx300, system

po171 code

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ravengotu on May 7, 2006

Jul 29, 2020 05:55 PM
by salimshah

77

96,279

RX - 1st Gen (1999-2003)

1jz, 2jzgte, afr, bogging, bogs, cold, hook, lean, lexus, o2, rich, sensor, start, wideband, wot

1jz bogs while in boost!

nismo2trd on Feb 4, 2008

Nov 5, 2019 11:40 PM
by Kamronman

13

5,232

0171, 1998, bank, code, gs300, lean, lexus, lien, p0171, p0300, p0301, p0303, p0305, p1133, rx300, system

code P0171 (system too lean-bank 1)?

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ayroman on Apr 9, 2011

Jul 9, 2017 08:13 PM
by tattooeasy

26

59,941

25, airfuel, bad, code, exhaust, fuel, leak, lean, lexus, ls400, malfunction, o2, ratio, sc400, sensor

92 Sc400 Code 25 Air Fuel Ratio Lean Malfunction

818_sc4 on Aug 18, 2010

Feb 8, 2017 08:48 PM
by 1UZFEZ30

9

24,981

engine check light, gs300 2nd gen, lean, missfiring

GS300 Misfire in cylinder

timmi110 on Jun 15, 2016

Jun 27, 2016 10:11 AM
by gsean400

2

1,613

Build Threads

bank, bank1, body, car, code, codes, fixing, fuel, gs400, is300, lean, lexus, pump, running, system, throttle

what is code of system too lean bank 1

kyGS400 on Nov 23, 2008

Mar 14, 2016 05:15 PM
by burteboy

12

12,181

1993, 25, checkengine, code25, continuously, control, dtc, lean, mixture, sc400

93sc400 Code 25

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jomosc400 on Jan 9, 2014

Apr 17, 2015 09:08 AM
by dricacho

30

4,620

air, code, codes, engine, evap, fuel, g35, hose, infiniti, lean, lexus, ls430, po440, remove, vehicle

Issues with Codes P0440,1,6

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wbyrd on Jun 11, 2010

Oct 1, 2014 06:46 PM
by Slvr surfr

17

30,899

LS - 3rd Gen (2001-2006)

1993, 93, check, codelexus, condition, engine, lean, lexus, light, main, o2, rear, rreplaced, run, sc400, sensor, sensors, voltage

Checking O2 sensors on 93 SC400

brad11140 on Feb 2, 2011

Apr 24, 2014 09:19 AM
by Stretchp2

10

7,258

1998, 2001, driven, gs300, hesitation, hours, is300, lean, lexus, misfiring, p0171, p0174, p0300, sc400, system, youtube

2001 Misfiring P0300, P0171, P0174

clintbw on Mar 15, 2014

Apr 1, 2014 07:38 AM
by clintbw

12

16,158

Lean bank 1 & 2 Check engine turning on

Bumbobee on Mar 20, 2014

Mar 28, 2014 06:26 AM
by Bumbobee

5

1,355

93, code, es300, front, idle, lean, lexus, low, mpg, oxygen, sensor

93 ES300 - low idle, low MPG, CEL code 25. ??

jwotis on Feb 28, 2014

Mar 20, 2014 05:21 PM
by jwotis

2

2,134

400, 450, b12, car, check, chemtool, engine, lean, lexus, light, ls, ls400, lx, p0430, reverse, revs, running, spin, tires

Code 25, running lean. FAILED emission inspection.

aomdedude1 on Oct 22, 2013

Mar 10, 2014 09:38 PM
by LScowboyLS

14

4,142

sc300 1j running lean at idle

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smiley954 on Feb 23, 2014

Mar 7, 2014 08:26 AM
by megamax

23

4,793

1992, 25, 93, catalytic, cel, code, converter, is300, lean, lexus, ls400, obd1, running, sc400, universal

CEL-Code 25 lean.Ideas? 93' 138xxx miles

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mk4r34 on Dec 22, 2012

Jan 14, 2014 06:52 PM
by ScWift92

22

5,915

1992, 25, code, ecu, exhaust, forums, fuel, gs300, lean, lexus, located, ls430, pump, running, rx300

Where is my Fuel Pump ECU? Running TOO Lean

vista4u2 on Jun 24, 2010

Sep 8, 2013 01:27 PM
by JRSLS400

13

7,124

1999, 3rd, 4runner, bank, check, engine, generation, lean, lexus, light, ls400, mainoxygen, oxygen, sc400, sensor, toyota

Where is the Main oxygen sensor signal on right bank?

geoprz on Aug 11, 2013

Aug 26, 2013 05:52 AM
by usman2338

8

6,113

2jzgte, aristo, boost, controller, cut, defense, fuel, jdm, lean, mods, redline, restrictor, ring, runs, stock

JDM 2jzgte: Restrictor ring and fuel cut?

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stockhatch on Oct 5, 2010

Aug 20, 2013 04:35 PM
by Cleanshots

36

25,076

bucking, codes, gs400, gs430, hesitation, injectors, lean, lexus, p0171, running lean, runs, sc400, starting, symptoms, throttle

DIFFERENT hesitation / bucking / running lean problem

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badazzz06 on Jun 21, 2013

Jul 12, 2013 10:26 AM
by blueman26

17

9,202

1jz, 1jzgte, 2000, 2900, 2jzge, 2k, boost, break, breaking, ecu, lean, revs, rpm, rpms, sc400

1jz breaking up at 2k rpm

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1jzchris on May 29, 2012

Jul 8, 2013 09:23 PM
by SClean93

18

6,900

1jz, 3330, acceleration, boost, break, breaking, injectors, lean, load, loosing, plug, runing, spark, spot, stock, super

Quick Lean Spot at 3k Rpms (1JZ,440cc,etc)

MrFairlady on Sep 4, 2010

Jun 1, 2013 03:15 PM
by MrFairlady

14

5,389