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 05-16-2006

04-24-2018 09:09 PM
by MikeGyver

21

10,314

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 11-05-2012

11-23-2015 04:41 PM
by zeake

40

7,545

04, code, knock, misfire, sensor, silverado

Codes knock sensor and engine misfire

70ls1chevelle on 10-05-2014

10-05-2014 07:41 PM
by 70ls1chevelle

2

9,416

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

headache misfire 02 5.3L

AlanHall on 06-11-2013

05-02-2014 04:27 PM
by HefLozano88

5

1,806

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 12-06-2013

04-29-2014 04:16 PM
by 55Hdtp

23

10,608

balancecylinder, cylinder, fuel, misfire, p1174, trim

Misfiring issue

TexasGMC08 on 12-04-2012

02-27-2014 11:58 AM
by TexasGMC08

6

1,185

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 01-04-2012

01-24-2014 01:26 PM
by MaDChevy95

16

30,944

LQ9 Misfire.. no codes??

Chvy2nv on 12-16-2013

12-18-2013 08:17 PM
by 2xLS1

6

3,775

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 09-06-2011

10-17-2013 10:23 AM
by Mark Johnson

29

157,463

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 08-07-2013

08-09-2013 12:27 PM
by 03klugss

21

3,867

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

guys using torque pro

RedRobinYum on 04-18-2013

04-23-2013 10:27 AM
by Fastcount03

3

2,372

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

Backfire/misfire under load

vicalma03 on 04-16-2013

04-16-2013 08:41 PM
by vicalma03

0

787

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

Trouble Code=misfire cylinder #4.

First Sergeant on 11-17-2011

03-25-2013 04:51 PM
by kretty

7

1,576

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 02-07-2013

03-16-2013 11:54 PM
by tweeder

43

4,589

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

Can I use EFILive to track down P0300 misfires?

Ferocity02 on 02-23-2013

02-23-2013 03:40 PM
by Fastcount03

1

1,201

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

P303 random misfire code #7 cylinder!

juicedsierra on 09-18-2010

12-13-2012 11:50 PM
by TexasGMC08

5

2,132

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 11-24-2012

12-01-2012 08:37 PM
by TexasGMC08

11

1,730

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

Codes everywhere p1153 p0300 p0121

silverado2001 on 11-25-2012

11-27-2012 12:39 AM
by So.cal Wrk Sled

5

2,789

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 10-05-2012

10-14-2012 11:44 PM
by 1FastBrick

18

1,641

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 10-10-2012

10-10-2012 02:49 PM
by 2000chevysilverado

1

804

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 09-17-2012

09-20-2012 01:31 PM
by Bigschwerm

7

2,395

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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1 2 3 4 5 ... Last Page)

tarpon4me on 07-25-2012

08-28-2012 10:19 PM
by Crewdawg

51

12,572

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

Installed procharger, gettin misfire bank one

Phantomx55 on 08-06-2012

08-07-2012 05:52 PM
by Phantomx55

7

1,587

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

High boost misfire. Help

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1 2 3 4 5 ... Last Page)

TURBHOE on 07-06-2012

07-13-2012 10:00 AM
by TURBHOE

63

10,439

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 02-10-2012

06-28-2012 07:45 PM
by black00chev

17

4,075

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

Catalytic converter 4.8

SilveradoLB on 06-25-2012

06-27-2012 11:17 AM
by greasemykey

6

1,975

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

P0300 code nightmare

06colorado on 06-22-2012

06-25-2012 01:40 AM
by 1FastBrick

3

1,542

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 06-13-2012

06-23-2012 06:10 PM
by xx_ED_xx

1

1,634

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 05-11-2012

05-18-2012 08:46 PM
by Theeebalz

5

1,360

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 05-04-2012

05-06-2012 12:24 PM
by 1FastBrick

9

2,219

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

Misfire in most cylinders. sequence occurs sporatically

chris092183 on 04-18-2012

04-26-2012 12:26 AM
by chris092183

9

988

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 03-21-2012

04-20-2012 05:10 PM
by jbancs

19

8,267

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 04-10-2012

04-11-2012 09:14 PM
by pmgm

11

2,539

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 04-04-2012

04-06-2012 11:22 AM
by CalEditor@PCMCalibrators

17

5,378

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 03-26-2012

04-01-2012 11:37 PM
by lukn4trbl355

14

2,136

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 03-18-2012

03-19-2012 12:03 PM
by Hemi2Slo

10

3,915

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 03-16-2012

03-16-2012 09:24 PM
by flynn78us

4

1,151

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 03-01-2012

03-04-2012 09:31 PM
by Wilde Racing

18

11,862

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

Possible misfire?

tweeder on 09-06-2009

02-27-2012 09:47 PM
by tweeder

9

1,892

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

lifter noise?

greasemykey on 02-19-2012

02-23-2012 11:46 PM
by AKlowriderZ71

8

2,036

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 01-23-2012

02-15-2012 03:59 PM
by 02BlueStepside

11

2,036

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

2000 350 vortec random cylinder misfire

JT8604 on 01-13-2012

01-13-2012 03:29 PM
by JT8604

4

1,221

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 12-30-2011

12-30-2011 11:50 AM
by slow67

3

3,757

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 12-11-2011

12-17-2011 10:08 AM
by Mang213

8

12,968

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

Converter tuning

whitedakota on 11-29-2011

12-17-2011 08:46 AM
by whitedakota

4

1,949

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 12-08-2011

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

46

6,791

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

06 2500 6.0 Misfire issue (po300)

pmgm on 08-13-2011

12-04-2011 08:21 PM
by Tim94gt

5

2,448

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 11-29-2011

12-04-2011 06:58 PM
by RADO_4U2NV

15

4,227

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

p01010 and p0300 codes

Huntingman2706217 on 11-24-2011

11-24-2011 01:50 PM
by Huntingman2706217

1

2,012

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 10-08-2011

10-31-2011 12:56 PM
by Third Gear

20

3,393

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 07-27-2011

10-27-2011 03:21 PM
by bighoss77

10

3,771

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 10-02-2011

10-20-2011 03:52 AM
by 1967c10

1

1,353

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 10-05-2011

10-13-2011 11:02 AM
by CRAZYCUTER4.8

16

4,788

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 10-09-2011

10-13-2011 09:50 AM
by 04SilveradoMykk

4

2,301

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

2008 GMC Sierra Cylinder 1 Misfire

kcisco on 09-25-2011

09-27-2011 11:17 PM
by TTownTech

2

17,075

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 09-11-2011

09-13-2011 12:44 PM
by jg53

17

13,042

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

Misfire...bad injectors?

smokeshow on 08-28-2011

09-06-2011 03:25 AM
by smokeshow

6

1,515

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 08-23-2011

09-05-2011 04:10 PM
by indigo s10

7

1,613

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 08-18-2011

08-20-2011 06:39 PM
by milkman331

3

8,258

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 07-19-2011

07-24-2011 10:12 PM
by BIG_D_74

6

3,873

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 06-21-2011

06-22-2011 01:12 PM
by 1badblazer

12

2,329

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 05-21-2011

05-31-2011 12:16 AM
by budhayes3

15

7,190

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 05-13-2011

05-17-2011 11:29 AM
by pewterliftedz

7

1,421

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 05-09-2011

05-10-2011 09:35 AM
by dewmanshu

2

1,214

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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1 2 3 4 5 ... Last Page)

TXjeepTJ on 03-20-2011

04-03-2011 02:53 AM
by TXjeepTJ

52

8,212

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

Hopefully easy question

Goose33 on 03-21-2011

03-28-2011 07:09 PM
by Goose33

8

2,408

Midsize & Compact Trucks

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

Pinging in 2nd between 3500-4500 rpm

turboescalade on 03-22-2011

03-23-2011 10:48 PM
by turboescalade

6

1,311

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 02-22-2011

02-23-2011 11:09 AM
by AlwaysSomethin

8

1,673

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 01-26-2011

02-10-2011 10:24 PM
by JuniorcruzerWI

15

18,832

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 12-08-2010

01-20-2011 05:38 PM
by 5.3 GMC

16

25,061

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 11-29-2010

11-29-2010 07:17 PM
by Rhino79

6

2,537

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 11-19-2010

11-21-2010 12:05 AM
by LS1FREEK

11

2,194

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

Complex Problem

Speed2 on 11-04-2010

11-05-2010 09:35 PM
by Area47

5

1,701

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 10-16-2010

10-16-2010 09:58 AM
by mattmny8

0

2,871