misfire

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94, car, engine, es300, gs300, lexus, misfire, misfiring, missfire, pcv, plug, problems, spark, starts, warm, warming, wet, wires

My GS300 engine misfire when warm

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1 2)

razgs300 on Nov 26, 2010

Jan 3, 2026 07:52 PM
by LexLova

21

23,921

Performance

ls400 1997, misfire, question, rough idle

1997 LS400 Starts, immediate stall, can keep alive if giving gas over 1500 RPMs

StockLS on Jun 21, 2025

Aug 2, 2025 06:18 PM
by Yamae

10

569

LS - 1st and 2nd Gen (1990-2000)

2001 GS300 Misfires Under Load

280zsteve on Jun 27, 2019

Apr 25, 2025 06:31 PM
by DanielleAlek

4

2,350

GS - 2nd Gen (1998-2005)

1999 LS400 Ignition coil arcing causing misfire

snowingcrab on Apr 3, 2025

Apr 3, 2025 01:31 PM
by 400fanboy

2

318

LS - 1st and 2nd Gen (1990-2000)

GS450h 2007 - Pending Misfires & Cold start Rattle

alphyfishbag on Mar 24, 2025

Mar 26, 2025 08:20 PM
by CruzinGS

7

799

GS - 3rd Gen (2006-2011)

Misfire after service

staressent on Mar 24, 2025

Mar 25, 2025 06:06 AM
by Leeper

4

394

RX - 2nd Gen (2004-2009)

Misfire and Intake Issues?

rgilmore on Feb 4, 2025

Feb 4, 2025 08:11 PM
by rgilmore

0

289

IS - 2nd Gen (2006-2013)

Still LS400 Transmission issues!!!!

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1 2)

thadds400 on Nov 1, 2024

Jan 31, 2025 04:35 AM
by blkstealthpaid4

21

2,117

LS - 1st and 2nd Gen (1990-2000)

coilpack, coilpacks, diy, gs300, misfire

2001 GS300 Misfire Help

rabidwhale on Feb 19, 2018

Jan 13, 2025 11:07 AM
by GabrielM

8

9,059

GS - 2nd Gen (1998-2005)

1995 SC400 misfire with super high idle timing of 25-30 degrees BTDC

AndreM on Jan 2, 2025

Jan 2, 2025 05:03 PM
by AndreM

0

266

SC - 1st Gen (1992-2000)

1996 LS400 weird misfire

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1 2)

Th3gunn3r2 on Mar 7, 2023

Dec 9, 2024 12:08 PM
by thadds400

27

8,330

LS - 1st and 2nd Gen (1990-2000)

RX350 Ignition Coil code

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1 2)

anotheruser on Oct 29, 2024

Nov 28, 2024 10:30 AM
by scooterlexus

16

1,767

RX - 2nd Gen (2004-2009)

Rowdee06 on Dec 12, 2009

Sep 4, 2024 01:22 PM
by BradT

5

4,020

RX - 1st Gen (1999-2003)

2000, 300, coils, compression, cyl, cylinder, disconnect, es, es300, lexus, low, misfire, misfiring, rx300, test

Cylinder #2 misfire mystery

jatf on Oct 18, 2009

Aug 2, 2024 10:05 AM
by salimshah

9

27,650

RX - 1st Gen (1999-2003)

02, 123, bad, burning, coil, cylinder, dumping, es300, fuel, gx470, highlander, lexus, misfire, packs, toyota

Cylinders 1, 2 & 3 Misfiring. Any Advice??? (96 ES300)

Poizun on Dec 14, 2010

Jul 4, 2024 01:33 PM
by Arsenii

11

11,963

ES - 1st to 6th Gen (1990-2018)

450h, check, cylinder, engine, gs, light, misfire

GSh misfire issues?!?

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1 2 3)

Speedy0o on Nov 15, 2013

May 18, 2024 03:29 PM
by ibidu1

38

13,469

GS - 3rd Gen (2006-2011)

dead piston, ecu, misfire, problem, rebuild

Dead cylinders mystery! Please help!

dom2jz on May 3, 2024

May 3, 2024 09:01 PM
by LeX2K

8

563

IS - 1st Gen (2001-2005)

2010 LS 460 Engine misfire

bggnet on Nov 22, 2019

Mar 10, 2024 10:39 AM
by robad

3

4,080

LS - 4th Gen (2007-2017)

Misfiring, Catalyst Ineffiency

GS350Canada on Dec 30, 2023

Feb 1, 2024 01:53 AM
by ibidu1

8

2,074

GS - 3rd Gen (2006-2011)

06, 2006, 300, customer, engine, engine misfire, gs300, gs450h, idle, idle issues, lexus, misfire, program, recall, rough, service, support, warmup

FINALLY....Recall on GS300 engine misfire

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1 2 3 4 5 ... Last Page)

stefnee on Sep 17, 2012

Jan 8, 2024 09:08 AM
by GeeYes300

533

232,442

GS - 3rd Gen (2006-2011)

diagnosing, engine check light, misfire, rebuild

Misfire in all cylinders, issue unknown and may require new engine

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1 2)

omar6 on May 20, 2023

Aug 5, 2023 11:07 PM
by Marc780

15

3,212

LS - 3rd Gen (2001-2006)

A thread about LS400 issues, please help me

Goesta on Jul 11, 2023

Jul 11, 2023 12:35 PM
by Goesta

2

1,022

LS - 1st and 2nd Gen (1990-2000)

2001, 300, codes, computer, ecu, engine, forum, lexus, location, main, misfire, multipule, program, reprogram, rx, rx300

Mechanic says my 2001 Lexus Rx 300 needs a computer?

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1 2)

Pablo1992 on Jan 11, 2012

Jun 23, 2023 09:17 AM
by Debbs

16

16,500

RX - 1st Gen (1999-2003)

1990 LS400 Rough Idle and Stalling

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1 2)

TrippieKitty666 on Jun 19, 2023

Jun 22, 2023 04:01 PM
by paulo57509

16

1,563

LS - 1st and 2nd Gen (1990-2000)

carbon buildup, exhaust, knock, misfire, rattle

Help identifiying knocking, no CEL

ggg557 on May 29, 2023

Jun 3, 2023 11:40 PM
by Protholl

7

962

IS - 2nd Gen (2006-2013)

97 LS 400, engine runs rough, no codes

baerster on May 4, 2023

May 11, 2023 11:40 AM
by Saucana6

5

780

LS - 1st and 2nd Gen (1990-2000)

2007, 250, 350, build, buildup, carbon, changed, check, engine, is250, lexus, light, misfire, misfiring, plugs, rx, spark, valves

Problem with Misfiring

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1 2 3)

Crystal on Jul 10, 2010

Mar 10, 2023 09:05 PM
by Luc2

44

14,298

IS - 2nd Gen (2006-2013)

2004, 26, 350, bkr6eix, denso, ik, iridium, lexus, ls400, misfire, ngk, plugs, rx, rx300, wrx

Poll

iridium plugs - NGK or DENSO?

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1 2 3 4 5 ... Last Page)

O. L. T. on May 17, 2006

Jan 27, 2023 04:40 AM
by lucky9091

80

63,460

Maintenance

Misfiring 200 miles from home. Drive or tow?

Jnicho2405 on Jan 14, 2023

Jan 17, 2023 07:47 AM
by das1960

4

1,515

ES - 1st to 6th Gen (1990-2018)

ls430, misfire, misfiring, o2 sensor, techstream

2004 Lexus LS430 Misfire BAD

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1 2 3 4 5)

OliverLS on Dec 27, 2020

Jul 13, 2022 10:58 PM
by Shemeermm

68

26,983

LS - 3rd Gen (2001-2006)