Threads Tagged with p0300

P0300: Intermittent Misfire

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1 2 3 4 5)

Steve L. on 08-29-2014

09-10-2017 08:06 PM
by Steve L.

47

10,142

trouble diagnosing p0300

phoenix5 on 08-19-2014

08-23-2014 11:26 AM
by 2xLS1

8

1,231

53, 53l, acc, cammed, header, install, lt, nnbs, p0300, stumble

5.3 P0300 after header install

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1 2)

skaffy03 on 03-23-2014

03-25-2014 05:53 PM
by skaffy03

10

6,709

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

30,938

crank, limiter, p0300, ptrucksnet, relearn, rev

P 0300 code

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1 2 3)

03 BLKTAHOE on 06-27-2013

07-09-2013 01:24 AM
by 1FastBrick

22

2,960

chevy, p0174, p0300, p0300p0174roughidle, silverado, trailblazerp0174andp0300

P0174 and P0300 Rough idle

gbbmk on 06-14-2013

06-15-2013 10:56 AM
by gbbmk

1

1,048

bbowerman on 06-05-2013

06-07-2013 10:51 PM
by bbowerman

7

1,281

05, 1500, 2001, chevy, code, defouler, duramax, lsx, p0128, p0131, p0300, p1133, plug, silverado, throwing

lots of problems

bbowerman on 05-30-2013

06-04-2013 07:46 AM
by bbowerman

3

1,575

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

1,200

colder, engine, issue, p0300, plugs, stock

Colder plugs cause P0300?

Ferocity02 on 02-04-2013

02-10-2013 07:28 AM
by GMCtrk

5

1,708

0307, 57, 97, 97silerado, clear, code, codes, computer, knock, p0300, reset, sensor, silverado, sulverado

97 Silverado 5.7 running terrible, P0300, 0307

Evil Eric on 02-03-2013

02-03-2013 11:14 AM
by Evil Eric

1

783

P0134, P0300, P1115 after engine swap

way2much_01 on 12-31-2012

01-01-2013 05:51 PM
by way2much_01

3

3,087

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

2,788

07, 4555, attitude, chevy, cleared, clearing, code, cold, light, ls1tech, mph, p0300, po300

p0300, but cleared itself?

stranger ranger on 08-27-2012

10-17-2012 05:58 PM
by tweeder

7

3,105

224, aftermarket, cam, chamshaft, change, charger, hemi, ls1, p0171, p0300, p1131, pro, procharger, tahoe, tech

P0171+P0300 after Procharger+Cam Swap

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1 2)

Phantomx55 on 08-06-2012

08-07-2012 09:25 PM
by Phantomx55

10

3,239

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

02, 05, 1500, 1999, 2000, 48, 48l, chevy, code, liter, p0300, problem, running, silverado, silversdo, smooth, suburban, throwing

p0300 running out of ideas

gowic on 05-18-2012

05-21-2012 07:07 PM
by 03 silverado

4

1,145

05, 2005, 2010, 34, bank, coil, cooling, fuel, impala, ohm, p0300, pressure, problem, problems, rich, spec

2005 impala 3.4 missfire rich problems

nonnieselman on 03-29-2012

03-31-2012 08:18 AM
by 1994Vmax

3

2,980

cam, code, gmc, p0300, po300, sierra, solution, solutions, step, swap

P0300 solutions?

5.3 GMC on 01-30-2012

01-31-2012 12:06 PM
by 5.3 GMC

2

1,501

, 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

2,009

05, 10, 2005, cats, chevy, f150, ford, gas, hemi, k1500, mod, p0300, pd, sierra, smell

Big problem p0300

Yukon04 on 11-14-2011

11-14-2011 10:19 PM
by badz24s

4

1,065

0300, 04, 1500, 2007, cab, chevrolet, chevu, chevy, code, gto, headers, p0300, pickup, silverado, truck

my first code, P0300, help!

badz24s on 11-04-2011

11-05-2011 10:10 PM
by badz24s

7

5,554

06, 2008, 60, 60l, code, drive, engine, fuel, gm, gmc, idle, injector, miss, p0300, p0300and, po300, scanner

06 HD 6.0 engine p0300 and slight miss at idle

pmgm on 09-25-2011

09-27-2011 11:15 PM
by pmgm

8

9,821

need help asap!

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1 2)

lukn4trbl355 on 07-26-2011

09-01-2011 12:06 AM
by lukn4trbl355

10

1,231

bank, black, charger, code, codes, dodge, drivers, dtc, f150, ford, injector, p0200, p0300, passenger, plug, side, spark, test

P0300 & p0200 dtc

static06 on 06-27-2011

06-27-2011 10:58 PM
by static06

4

2,268

04, 37, 53, 60, barely, closed, coil, diagnosis, loop, lt, ltft, maxed, p0300, pack, runs, silverado

Quick diagnosis please P0300 and LT

CashDudeHomie on 06-06-2011

06-07-2011 03:21 PM
by CashDudeHomie

3

926

03, 2000, 53, bank, blinking, check, code, ecu, engine, flashing, gmc, p0300, po300, rich, sierra

check engine flashing and a p0300

SimpleManLance on 05-14-2011

05-17-2011 10:43 PM
by 262_NBS

5

8,112

1500, 2002, 48, benefit, chevy, cometic, gasket, head, ls1, p0106, p0300

My "build" starts today after work..

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1 2 3 4)

dmelvin on 04-15-2011

04-26-2011 12:40 PM
by dmelvin

38

3,371

PROJECTS GALLERY

03, 1998, 2004, 48, 62, 74, bad, camaro, chevy, injector, jeeps, p0300, p0300s10, po117, po300, s10, sierra, suck

P0300...man this sucks.

RSTinOKC on 03-07-2011

03-17-2011 10:45 PM
by Goose33

9

2,686

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

18,830

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

25,056

P0300- Need advice

jpodell on 01-15-2011

01-15-2011 09:51 PM
by scooter k

5

917

2002, 60, chevy, gm, idling, p0171, p0174, p0200, p0300, rough, ruff, silverado, started, truck

Truck Idling Rough, HELP !!!!!

javiles on 12-01-2010

12-10-2010 06:43 PM
by javiles

7

1,130

03, 2000, 2003, 53, 81, boat, code, lq4, missing, p0300, po300, rich, running, suburban, swap, towing

Help with P0300 on my swap

4x4sierra on 11-14-2010

11-18-2010 07:43 AM
by 4x4sierra

6

1,223

injectors

david0982 on 06-08-2010

06-11-2010 10:53 PM
by budhayes3

4

1,073

2004, 60, code, codes, engine, fire, ford, lincoln, miss, p0300, plugs, po300, powerstroke, showing, silverado, xj

P0300- Multi Miss Fire..... Help!

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ChevyTruck on 02-16-2010

03-20-2010 12:01 AM
by ChevyTruck

54

8,891

INTERNAL ENGINE MODIFICATIONS

arm, cams, camshaft, change, code, corvette, dodge, gm, install, loose, ls2, neon, p0300, rocker, srt

P0300 After Cam install

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1 2)

TIM Z on 03-06-2010

03-07-2010 06:50 PM
by 03sierraslt

11

15,521

67, air, cummins, duramax, filter, kn, p0101, p0121, p0300, po101, problem, problems, silverado, ss, trailblazer

The mystery of the check engine!!

Denali Dude on 12-19-2009

12-21-2009 01:57 PM
by Denali Dude

9

1,599

2000, 2005, 53, chevy, code, corvette, engine, fire, flashing, light, miss, missfire, p0300, random, rendom, silverado

Need some help diagnosing a random missfire code. flashing engine light.

YOOFORMULA on 09-05-2009

09-09-2009 06:16 PM
by YOOFORMULA

3

845

02, 1500, 2000, 53, chevy, code, dakota, denali, dodge, light, p0300, po300, silverado, trailblazer, yukon

P0300 code

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1 2)

Jeteys5.3 on 07-08-2009

07-09-2009 10:25 PM
by Jeteys5.3

12

2,105

p0300

14psisupra on 03-10-2009

03-20-2009 10:47 AM
by Dgrown

5

714

60, blaster, charger, code, coils, denali, forum, gmc, hemi, lincoln, lt1, msd, p0300, p0355, silverado

Msd blaster packs, P0300 and P0355 codes

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1 2)

cowboya1985 on 12-07-2008

12-08-2008 07:22 AM
by Raffman

11

2,235

delete, efi, efilive, lincoln, live, misfire, o2, p0300, p0420, p0430, sensors, silverado, trailblazer, tuning, whipple

Deleting Rear o2's with EFIlive - HOW TO?

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1 2)

foxySS on 09-05-2008

09-06-2008 06:05 PM
by foxySS

12

9,787

bearing, case, chain, crank, crankshaft, hpt, ls1, missing, p0300, relearn, sensor, shits, silverado, spun, ss, timing, trucks, unplugged

trouble running the crank relearn with HPT

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1 2 3)

SSmikeSS on 08-15-2008

08-19-2008 06:55 AM
by hirdlej

21

2,480

02, 03, 2003, 3500, 53, 60l, bad, chevy, code, condition, control, cruise, lean, p0300, sensors

Misfires and random lean conditions...

lpguy on 07-12-2008

07-13-2008 10:15 PM
by Wheatley

9

1,079

2008, 43l, 53, bank, chevy, cylinder, dead, lean, misfire, p0300, randommultiple, range, rotella, rpm, sierra, spots, ss, system, tahoe, trailblazer

I hate my truck

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1 2 3)

drkblusierra on 06-28-2008

06-30-2008 10:57 PM
by 1FastBrick

21

3,112

2007, 53, cam, camshaft, code, fuel, gt, install, ls6, mustang, p0175, p0300, swap, trim

Some codes after cam swap

sv650lex on 06-24-2008

06-28-2008 05:39 PM
by sv650lex

6

2,681

2800, code, full, nitrous, p0300, performance, rpms, throttle, timing, trucks, tuner

Timing tuner causing P0300 code?

chevytruckguy on 04-11-2008

04-11-2008 10:56 PM
by chevytruckguy

0

648

NITROUS OXIDE

P0300

HD6.0l on 12-25-2007

12-29-2007 10:56 AM
by HD6.0l

4

1,459

2004, 81l, chevy, crank, efi, hp, info, live, p0300, procedure, relearn, tuner, tuners, vortec, yukon

Do I need a crank relearn?

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1 2)

jasond26 on 11-11-2007

11-16-2007 09:46 PM
by truckmann

15

3,744

P0300

whoopassracer on 11-10-2007

11-13-2007 08:37 AM
by BlueSS

1

629

2005, 48, 60lq4, chevy, corvette, fire, misfire, misfire2003, miss, missfire, multiple, multipule, p0300, random, silverado

Random Multiple Missfire...

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1 2)

bgray on 09-19-2007

09-24-2007 09:36 AM
by OnyxSilveradoSS

11

1,992

2004, avalanche, balance, cylinder, cylinders, fouled, hp, livernois, motorsports, p0300, plugs, test, tuners

At witts end!!!

Lord Aries on 06-29-2007

06-30-2007 06:42 PM
by Lord Aries

7

1,061

what is your misfire set at?

phasemaster1 on 06-11-2007

06-13-2007 09:33 AM
by phasemaster1

6

618

2003, 2004, 53, chevy, code, codes, engine, gto, p0300, po300, settings, ss, tahoe, trailblazer, trouble

trouble code P0300

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1 2)

GTOsRamairSilverado on 05-06-2007

05-10-2007 07:30 PM
by GTOsRamairSilverado

13

1,325

Southern

whats my problem ??? misfire!!

GTOsRamairSilverado on 05-05-2007

05-05-2007 04:19 PM
by GTOsRamairSilverado

2

578

2001, 300, 53, 60l, 99, dtc, lq9, ltr, p0300, po, po300, silverado, siverado

DTC p0300 question?

chris04 on 03-16-2007

03-19-2007 11:41 PM
by 1slowsilverado

3

764

01, 1500, 2000, battery, circuit, code, dtc, fterminal, generator, gmc, light, p0300, p1638, silverado, terminal

DTC's after pcm swap

12sec.5.3 on 10-13-2006

10-16-2006 01:43 AM
by Wilde Racing

9

2,658

0300, 2005, 300, 5050, avalanche, boost, chrysler, injection, ls1tech, meth, methanol, misfire, misfires, misfiring, p0300, perf, water

P0300 misfire. Meth related???

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1 2 3 4 5)

KY_BOB on 08-01-2006

08-07-2006 02:41 PM
by FlaBouy

46

7,885

FORCED INDUCTION

1500, 2002, 2005, 53, carlo, code, codes, magnacharger, misfire, monte, p0151, p0151p0300, p0300, p1153, silverado

throwing codes p0151, p0300

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1 2)

86MC_SS on 06-19-2006

06-21-2006 09:57 AM
by 86MC_SS

17

16,150

2005, 53, black, chevy, duramax, exhaust, hp, lt1, misfire, p0300, po300, random, silverado, smoke, throwing, tuners, wot

Black Smoke?

WaitinToDrag on 05-22-2006

05-23-2006 09:08 AM
by 1ImperialSS

9

1,527

2003, 2600, 53, 60, chevy, code, codes, diagnostics, duramax, gmc, misfire, number, p0300, rpms, sierra, silverado

P0300 code?

JRsilverado on 09-07-2005

03-02-2006 10:07 AM
by Zick

7

1,561

03, 2001, 2003, 2004, 2500, 2500hd, 3400, backfires, deere, dodge, hemi, john, l111, p0300, silverado

P0300 Random Misfires but it only does it at certain times????

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1 2 3)

1slow01Z71 on 08-23-2005

08-28-2005 01:03 PM
by 1slow01Z71

20

3,348

1900, 2005, cts, ctsv, magnacharger, misfire, misfires, p0300, randonm, tvs

P0300 and Intermitent Lean!

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1 2)

TurboGibbs on 08-15-2005

08-27-2005 07:35 AM
by TurboGibbs

11

1,254

08, code, corvette, dtc0300, magnuson, misfire, p0300, radix, random, supercharger

Frustrated Radix Tune!!! PLs Help!

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1 2 3 4 5 ... Last Page)

dhpro on 07-25-2005

07-27-2005 10:39 AM
by dhpro

50

4,004

2003, 2007, 53, 99, challenger, f150, hemi, ls1tech, misfire, p0300, random, silverade, silverado, tahoe, vortech

who here had the p0300 random misfire code?

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1 2)

goshawk23 on 05-20-2005

05-23-2005 08:08 PM
by litreddevil

15

2,430

1999, 48, 48l, canister, chev, chevy, clean, code, detected, dtc, engine, evap, gmc, misfire, p0300, silverado, trouble, vortec

Need advise on vortec engine problems

Col79 on 04-27-2005

05-01-2005 08:42 PM
by RyPkr_99

4

4,789

2001, 2500hd, chevy, code, diagnosing, dtc, gmc, obd, p0118, p0157, p0172, p0175, p0300, p0351p0358, p0507, p0748, p1120, p1220, p1516, truck

A couple of codes

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1 2)

GREGGO on 02-11-2005

03-20-2005 11:00 PM
by GREGGO

15

3,788

2005, cammed, cylinder, ls1, misfire, misfires, missfire, multi, multiple, mutiple, p0300, po3000, settings, tahoe, vararam, vortech

P0300 multiple cylinder misfire

greentahoe on 02-16-2005

02-16-2005 09:30 PM
by greentahoe

8

4,506

p0300 help?

rgvsierra on 01-31-2005

01-31-2005 08:03 PM
by 67SS509

2

571

Dynomaxx header kit

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1 2)

closet red neck on 01-16-2005

01-18-2005 07:32 PM
by marc_w

15

1,169

2002, 2002silverado, 48, 48l, cam, chevy, code, error, gm, hemi, install, ls1tech, misfire, multiple, p0300, silverado, swap

Engine error code p0300

haynSS on 09-20-2004

09-23-2004 02:30 AM
by slmdLS1

5

1,649