Threads Tagged with misfire

1998, cevy, cylinder, cylnder, detected, detected2006, hp, indivdial, misfire, multiple, p0300, random, tahoe, trailblazer, tuners

P0300 Random/Multiple Cylinder Misfire Detected

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1 2 3)

SBChvy on May 16, 2006

Apr 24, 2018 09:09 PM
by MikeGyver

21

10,973

60, fine, fireing, fumes, headers, hemi, hp, long, misfire, miss, pids, random, runs, trucl, tuners

Random misfire help

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1 2 3 4 5)

zeake on Nov 5, 2012

Nov 23, 2015 04:41 PM
by zeake

40

8,584

04, code, knock, misfire, sensor, silverado

Codes knock sensor and engine misfire

70ls1chevelle on Oct 5, 2014

Oct 5, 2014 07:41 PM
by 70ls1chevelle

2

10,868

02tahoe, 53, 53l, backfire, code, intake, lrandom, misfire, misfireno

headache misfire 02 5.3L

AlanHall on Jun 11, 2013

May 2, 2014 04:27 PM
by HefLozano88

5

1,923

1999, 99, battery, code, drained, gmc, injector, maf, misfire, misfires, moved, p0336, po452, sierra, silverado, swapped

'99 5.3 Has a Bad Misfire and Codes

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1 2 3)

55Hdtp on Dec 6, 2013

Apr 29, 2014 04:16 PM
by 55Hdtp

23

11,737

balancecylinder, cylinder, fuel, misfire, p1174, trim

Misfiring issue

TexasGMC08 on Dec 4, 2012

Feb 27, 2014 11:58 AM
by TexasGMC08

6

1,273

04, 2000, 2004, 2500, 2500hd, bad, cat, code, misfire, o2, p0300, po300, random, sensor, silverado

po300 random misfire

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1 2)

cffd175 on Jan 4, 2012

Jan 24, 2014 01:26 PM
by MaDChevy95

16

31,551

LQ9 Misfire.. no codes??

Chvy2nv on Dec 16, 2013

Dec 18, 2013 08:17 PM
by 2xLS1

6

4,306

GMT 900 Trucks General Discussion

2009, 900, cylinder, denali, f150, fuse, gmc, gmt, light, misfire, missfire, p0301, service, sierra, silverado, stabilitrak, trip

P0301 Cylinder 1 Misfire and rough idle

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1 2 3)

gnasty1521 on Sep 6, 2011

Oct 17, 2013 10:23 AM
by Mark Johnson

29

164,126

224224, 60, boost, cam, mail, misfire, order, pcm, random, silverado

Mail Order Tune and Boost work?

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1 2 3)

Jimmy_d on Aug 7, 2013

Aug 9, 2013 12:27 PM
by 03klugss

21

4,181

check, counter, cylinder, cylinders, find, misfire, misfires, misfiring, missfire, pressure, pro, read, shoot, test, torque, trouble

guys using torque pro

RedRobinYum on Apr 18, 2013

Apr 23, 2013 10:27 AM
by Fastcount03

3

2,472

53, backfire, backfires, causing, crank, load, ls1tech, misfire, sensor, welder

Backfire/misfire under load

vicalma03 on Apr 16, 2013

Apr 16, 2013 08:41 PM
by vicalma03

0

838

08, 2003, 2006, 4, 4th, 53, code, cyl, cylinder, downhill, f150, ford, misfire, missfire, tahoe

Trouble Code=misfire cylinder #4.

First Sergeant on Nov 17, 2011

Mar 25, 2013 04:51 PM
by kretty

7

1,685

350, back, bad, cat, cats, crown, cylinder, idle, misfire, plugged, pressure, scan, shows, silverado, vic, vortec

Partial plugged cat or something else

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1 2 3 4 5)

tweeder on Feb 7, 2013

Mar 16, 2013 11:54 PM
by tweeder

43

5,449

cylinder, diag, efi, efilive, identify, identifying, live, misfire, misfires, p0300, read

Can I use EFILive to track down P0300 misfires?

Ferocity02 on Feb 23, 2013

Feb 23, 2013 03:40 PM
by Fastcount03

1

1,323

81, cylinder, f150, fire, ford, headers, idle, lightning, mis, misfire, misfires, missfire, ss, trailblazer, truck

P303 random misfire code #7 cylinder!

juicedsierra on Sep 18, 2010

Dec 13, 2012 11:50 PM
by TexasGMC08

5

2,259

08, 2l, 53, 7, cam, converter, mega, misfire, mr2l, raptor, review, reviews, tsp

No Convertor Lock-up

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1 2)

TexasGMC08 on Nov 24, 2012

Dec 1, 2012 08:37 PM
by TexasGMC08

11

1,970

1153, 2008, chevy, code, codes, diagnostic, drive, driving, misfire, p0121, p0300, p1153, silverado, truck, tune

Codes everywhere p1153 p0300 p0121

silverado2001 on Nov 25, 2012

Nov 27, 2012 12:39 AM
by So.cal Wrk Sled

5

3,205

2003, 4, 53, college, lbz, misfire, powered, station, vbulletin

Misfire on #4 and 6. Truck is stranded in KY

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1 2)

dust6928 on Oct 5, 2012

Oct 14, 2012 11:44 PM
by 1FastBrick

18

1,918

camaro, code, codes, f150, fireing, headers, long, ls1, misfire, miss, missfires, mods, random, s4, throw, throwing, truck, trucl

random misfire, only throws code sometimes.

nate1590 on Oct 10, 2012

Oct 10, 2012 02:49 PM
by 2000chevysilverado

1

905

99, denali, gto, head, low, ls1, ls2, milled, misfire, number, polish, popping, port, speed, time

Help.... Ls2 Cyl. 5 and 8 Multiple misfires P0300

Bigschwerm on Sep 17, 2012

Sep 20, 2012 01:31 PM
by Bigschwerm

7

2,680

2001, 53, bad, bank, chevy, cold, exhaust, hot, leak, low, misfire, o2, sensor, silverado, start, symptoms, voltage

Issues with 2001 5.3 Silverado

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tarpon4me on Jul 25, 2012

Aug 28, 2012 10:19 PM
by Crewdawg

51

13,265

224, cam, car, install, isolate, ls1, misfire, misfires, procharger, procharger52, sd, tahoe, tech, tune

Installed procharger, gettin misfire bank one

Phantomx55 on Aug 6, 2012

Aug 7, 2012 05:52 PM
by Phantomx55

7

1,729

03, 43, 53, 996tt, boost, cobalt, coil, fire, gtp, high, knocking, misfire, miss, plugs, spark

High boost misfire. Help

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TURBHOE on Jul 6, 2012

Jul 13, 2012 10:00 AM
by TURBHOE

63

12,079

blow, blowby, bolt, boost, broken, crank, high, low, lq4, misfire, oil, piston, pressure, pulley, stock, turbo

Radix and stock lq4 with cam by by

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1 2)

Q8 6.0 on Feb 10, 2012

Jun 28, 2012 07:45 PM
by black00chev

17

4,371

03, 1500, 2005, 48, cat, catalytic, causing, chevrolet, clogged, clogges, converter, forum, misfire, removing, silverado, ss, taking

Catalytic converter 4.8

SilveradoLB on Jun 25, 2012

Jun 27, 2012 11:17 AM
by greasemykey

6

2,163

06, 37, code, efi, gm, live, misfire, nightmare, p0300, tables

P0300 code nightmare

06colorado on Jun 22, 2012

Jun 25, 2012 01:40 AM
by 1FastBrick

3

1,676

2006, 81, assembly, check, coil, distributor, hard, hemi, misfire, misses, missing, pack, pull, repair, test, wire

8.1 coil pack question- got a miss

lawdog49 on Jun 13, 2012

Jun 23, 2012 06:10 PM
by xx_ED_xx

1

1,739

8-Lug Truck Performance

2003, 2500, 300, 60, chevy, code, en, gm, hd, highway, misfire, multiple, po, silverado, speeds

po 300 6.0 chevy

Theeebalz on May 11, 2012

May 18, 2012 08:46 PM
by Theeebalz

5

1,470

10, 109, 2007, cam, iac, idle, kn, lsa, minutes, misfire, p0121, relearn, run, silverado, thumpr, truck

P0121 and truck does a bucking thing

cammed00 on May 4, 2012

May 6, 2012 12:24 PM
by 1FastBrick

9

2,357

53, cylinders, gap, gm, ls1tech, misfire, misfires, nnbs, plug, tahoe, tip, tune

Misfire in most cylinders. sequence occurs sporatically

chris092183 on Apr 18, 2012

Apr 26, 2012 12:26 AM
by chris092183

9

1,101

14, 2010, 2012, blinks, charged, code, mil, misfire, multiple, random, reviews, silverado, super, supercharged, supercharger, whipple

Trouble Codes from supercharged silverado

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1 2)

jbancs on Mar 21, 2012

Apr 20, 2012 05:10 PM
by jbancs

19

9,160

2007, 2008, 60, cam, chevy, cylinder, fire, gm, hd, lifter, lifters, ls1, misfire, miss, number, random

Need help 2006 6.0 random missfire on cylinders 1 and 8 possible cam and lifter swap

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1 2)

pmgm on Apr 10, 2012

Apr 11, 2012 09:14 PM
by pmgm

11

2,758

3k, blinking, check, dodge, engine, flash, flashing, light, load, misfire, powered, ram, registered, speeds, vbulletin, vote

What could it be? Flashing check engine w/o dtc

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1 2)

NLalexx on Apr 4, 2012

Apr 6, 2012 11:22 AM
by CalEditor@PCMCalibrators

17

5,823

07, 2nd, 48, 4l60e, 53, cylinder, inconsistent, misfire, pressure, shift, silverado, slight, tuning, vss, wot

starting to get frustrated!

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1 2)

lukn4trbl355 on Mar 26, 2012

Apr 1, 2012 11:37 PM
by lukn4trbl355

14

2,413

05, 1500, 98, bad, cat, chevy, cylinder, fire, icl, intermittent, misfire, miss, performance, powered, products, trans, vbulletin

Weird intermittant misfire

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1 2)

Hemi2Slo on Mar 18, 2012

Mar 19, 2012 12:03 PM
by Hemi2Slo

10

4,172

GMT 900 Trucks General Discussion

2007, 2500, 62, cylinder, detected, f150, ford, gmc, ls1tech, misfire, misfires, p0306, po306, procharger, sierra

Cylinder 6 misfire

flynn78us on Mar 16, 2012

Mar 16, 2012 09:24 PM
by flynn78us

4

1,212

bad, car, cylinders, forums, fuel, idle, misfire, pressure, random, regulator, rough, runs, seconds, start, then

random rough idle, misfires on all cylinders randomly

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1 2)

TXjeepTJ on Mar 1, 2012

Mar 4, 2012 09:31 PM
by Wilde Racing

18

12,694

03, 1999, 2000, 353, chevy, detroit, engine, kicking, load, misfire, misfires, overdrive, plug, silverado, siverado

Possible misfire?

tweeder on Sep 6, 2009

Feb 27, 2012 09:47 PM
by tweeder

9

1,959

2006, 2012, 53, cam, causing, chewed, duramax, f150, lifter, lifters, misfire, noise, noisy, problem, roller, trucks, worn

lifter noise?

greasemykey on Feb 19, 2012

Feb 23, 2012 11:46 PM
by AKlowriderZ71

8

2,184

01, 07, bank, belt, boost, cclb, classic, gasket, intake, leak, misfire, missfire, p0172, p0175, procharger, silverado, slip, turbo

Misfire, and possibly other things

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1 2)

02BlueStepside on Jan 23, 2012

Feb 15, 2012 03:59 PM
by 02BlueStepside

11

2,299

350, c2500, cam, code, cold, misfire, motor, retard, scanner, tech, texas, timing, truck, vorte, vortec

2000 350 vortec random cylinder misfire

JT8604 on Jan 13, 2012

Jan 13, 2012 03:29 PM
by JT8604

4

1,444

2010, 53, bar, burst, camaro, causing, hp, knock, kr, lt1, map, misfire, retard, tune, tuners, wot

knock retard when I got WOT? (hp tuners log included)

TXjeepTJ on Dec 30, 2011

Dec 30, 2011 11:50 AM
by slow67

3

3,907

GMT 900 Trucks General Discussion

2007, 2008, 53, cylinder, drops, engine, light, low, misfire, missfire, noise, number, oil, pressure, subarbun, suburban

misfire #6 then loss of oil pressure 2007 5.3 suburban

warrantykiller on Dec 11, 2011

Dec 17, 2011 10:08 AM
by Mang213

8

14,462

4l60e, converter, decel, detection, higher, hp, hptuners, lockup, misfire, missfire, performancetrucks, stall, truck, tuners, tuning

Converter tuning

whitedakota on Nov 29, 2011

Dec 17, 2011 08:46 AM
by whitedakota

4

2,024

1500, 2008, 2011, 50, cheap, check, cylinder, dead, f150, light, lm7, misfire, moving, noid, silverado, things, truck

Dead cylinder

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1 2 3 4 5)

kode-x-kustoms on Dec 8, 2011

Dec 12, 2011 08:13 PM
by kode-x-kustoms

46

7,292

06, 1985z28, 2500, 300, 60, changing, chevy, code, cylinder, e350, misfire, misfires, number, plugs, po300

06 2500 6.0 Misfire issue (po300)

pmgm on Aug 13, 2011

Dec 4, 2011 08:21 PM
by Tim94gt

5

2,526

04, 135, 1500, 2004, 2008, 97, bad, chevrolet, chevy, cylinder, idle, misfire, misfires, misfiring, multiple, multiply, random, silverado

Random/Multiple Misfire

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1 2)

RADO_4U2NV on Nov 29, 2011

Dec 4, 2011 06:58 PM
by RADO_4U2NV

15

4,466

, b2, cam, code, codes, ls1, misfire, p01010, p0300, random, stft, swap

p01010 and p0300 codes

Huntingman2706217 on Nov 24, 2011

Nov 24, 2011 01:50 PM
by Huntingman2706217

1

2,189

02, 05, 53, bad, bank, cylinders, fuel, lq4, misfire, misfires, missfire, onee, pump, silverado, stops

need help diagnosing my terrible misfire!

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1 2 3)

SmokinHot98 on Oct 8, 2011

Oct 31, 2011 12:56 PM
by Third Gear

20

3,707

06, 2006, 2007, 2500, 53l, 60, code, counter, cylinder, fire, hd, injector, k2500, lifter, misfire, misfires, miss, missing, number, solus

06 2500 6.0 Misfire issue

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1 2)

AustinB on Jul 27, 2011

Oct 27, 2011 03:21 PM
by bighoss77

10

3,930

8-Lug Truck Performance

2009, 2010, 2500, 53, camaro, cylinder, hemi, jeep, ls1, ls1tech, misfire, misfires, multiple, rpm, turbo

multiple misfire code

speedy.smith on Oct 2, 2011

Oct 20, 2011 03:52 AM
by 1967c10

1

1,850

4l60e, 4l65e, code, disable, efi, hptuner, live, locked, locks, lockup, misfire, p1870, pwm, quick, supercharged, tcc, teckpak

4l60e Lock Up question

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1 2)

Bigschwerm on Oct 5, 2011

Oct 13, 2011 11:02 AM
by CRAZYCUTER4.8

16

5,162

112, 1500, 2008, 224, 224r, 53, cam, chevy, delete, desensitize, dod, gmc, horspower, ignition, increase, misfire, timing, tsp, tune

New cam tune

08k1500_3 on Oct 9, 2011

Oct 13, 2011 09:50 AM
by 04SilveradoMykk

4

2,388

2007, 2008, 53l, check, control, cylinder, diagnosing, engine, gmc, light, misfire, order, sierra, sierras, traction

2008 GMC Sierra Cylinder 1 Misfire

kcisco on Sep 25, 2011

Sep 27, 2011 11:17 PM
by TTownTech

2

17,997

13psi, 2008, 2009, 53, 53l, cam, efilive, forced, gap, issue, misfire, plug, plugs, procharger, silverado, spark, sparkplug

Spark plug gap for a procharged 5.3l

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1 2)

jg53 on Sep 11, 2011

Sep 13, 2011 12:44 PM
by jg53

17

14,934

60, accur, bad, boost, duramax, dyno, ect, injector, injectors, misfire, misfires, ohms, problems, running, sensor, srted, truck

Misfire...bad injectors?

smokeshow on Aug 28, 2011

Sep 6, 2011 03:25 AM
by smokeshow

6

1,651

2006, 60, 81, cylinder, cylinders, f250, gm, gmc, high, misfire, misfires, misfiring, rpm, side, sierra

'02 6.0 with misfire in cylinders 4 & 6

Bama2door on Aug 23, 2011

Sep 5, 2011 04:10 PM
by indigo s10

7

1,737

2008, 53, chevrolet, cold, cyl2, cylinder, fourms, gmc, location, misfire, problems, random, rough, runs, sierra, sierre

2008 GMC Sierra 5.3, Misfire Problems

milkman331 on Aug 18, 2011

Aug 20, 2011 06:39 PM
by milkman331

3

8,758

07, 22, 53, code, codes, fault, gm, injectors, misfire, po307, popping, random, silverado, tc, turbo

P0300 Random Misfire Code make TC not lock up??

BIG_D_74 on Jul 19, 2011

Jul 24, 2011 10:12 PM
by BIG_D_74

6

4,581

04, 2000, blinking, driving, fire, flashing, light, misfire, miss, missing, mph, performancetrucknet, random, rpms, ses, silverado, trucks

Flashing SES light random missfire

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1 2)

1badblazer on Jun 21, 2011

Jun 22, 2011 01:12 PM
by 1badblazer

12

2,627

INTERNAL ENGINE MODIFICATIONS

1985, bank, camshaft, engine, h2, honda, hummer, misfire, picks, predormace, prelude, problems, slow, timing, trucks, voltage

Hummer H2 engine modifications,HELP DTC problem

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1 2)

Remember_54 on May 21, 2011

May 31, 2011 12:16 AM
by budhayes3

15

7,802

1500, 1st, 2003, 53, converter, engine, locked, misfire, misfires, shift, silverado, stall, tb, torque, wont, z71

truck not locking the converter in OD(tb stall)

SimpleManLance on May 13, 2011

May 17, 2011 11:29 AM
by pewterliftedz

7

1,569

2004, 53, 53l, bank, coolant, cylinder, dyno, headers, install, loss, misfire, multiple, pacesetter, response, sensor, short, silverado, slow

O2 Sensor Problems after Pacesetter LTs

Tshearman on May 9, 2011

May 10, 2011 09:35 AM
by dewmanshu

2

1,298

2005, car, causing, chevy, cylinder, f150, gap, idle, install, ls1, misfire, misfires, misfiring, p0174, pcm, plug, sivlerado, turbo

HELP! random cylinder misfire after turbo/pcm install

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TXjeepTJ on Mar 20, 2011

Apr 3, 2011 02:53 AM
by TXjeepTJ

52

9,538

1998, 2002, 2wd, 301, 43, change, chevy, code, coil, cyl, cylinder, distributor, misfire, pack, s10, silverado, white

Hopefully easy question

Goose33 on Mar 21, 2011

Mar 28, 2011 07:09 PM
by Goose33

8

2,514

Midsize & Compact Trucks

35004500rpm, 4500rpm, 87mm, 92mm, duramax, dyno, leak, misfire, nitrous, plate, tb, vacuum

Pinging in 2nd between 3500-4500 rpm

turboescalade on Mar 22, 2011

Mar 23, 2011 10:48 PM
by turboescalade

6

1,410

02, 1500, 2001, 2004, 53, 62, crap, idle, misfire, misfires, misfiring, park, random, runs, silverado

Crazy Misfire/Idle Unexplainable on my 5.3 Help PLZ!!!

AlwaysSomethin on Feb 22, 2011

Feb 23, 2011 11:09 AM
by AlwaysSomethin

8

1,779

1500, 2004, 53, check, code, cylinder, engine, gas, gm, gmc, misfire, p0300, p1380, random, shell, sierra, silverado

P0300- multiple cylinder random misfire

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1 2)

AHESS on Jan 26, 2011

Feb 10, 2011 10:24 PM
by JuniorcruzerWI

15

19,302

2000, car, chevy, code, fuel, lean, maf, misfire, multiple, p0171, p0171and, p0300, po171, po300, silverado, system, trailblazer, trim

SES Code P0171, and P0300, Help Please

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1 2)

GMC5.3 on Dec 8, 2010

Jan 20, 2011 05:38 PM
by 5.3 GMC

16

26,891

224224581581, 2g, 3600, 53, airflow, cam, cammed, converter, desired, find, idle, misfire, settings, silverado, torque, truck, tune, tuned, tunning

Need help tuning cammed 5.3

Low02 on Nov 29, 2010

Nov 29, 2010 07:17 PM
by Rhino79

6

3,766

3200, converter, convertor, dacco, gas, hptuners, kicking, letting, lockup, misfire, missfire, silverado, stall, table, truck, unlocking

Converter in/out of lockup from going to bigger stall?

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1 2)

LS1FREEK on Nov 19, 2010

Nov 21, 2010 12:05 AM
by LS1FREEK

11

2,485

2008, 58w, bap, gmc, misfire, p0787, p0961, p2769, problem, problems, serria, sierra, tahoe, tcm, u0109

Complex Problem

Speed2 on Nov 4, 2010

Nov 5, 2010 09:35 PM
by Area47

5

1,919

2000, 53, 53l, circuit, code, cylinder, f150, ford, hemi, injector, misfire, p0200, p0306, po200, po306, v8

Codes P0200 & P0306, Cylinder 6 prob 5.3l k1500

mattmny8 on Oct 16, 2010

Oct 16, 2010 09:58 AM
by mattmny8

0

3,053