Threads Tagged with p0300

P0300: Intermittent Misfire

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Steve L. on Aug 29, 2014

Sep 10, 2017 08:06 PM
by Steve L.

47

11,501

trouble diagnosing p0300

phoenix5 on Aug 19, 2014

Aug 23, 2014 11:26 AM
by 2xLS1

8

1,337

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

5.3 P0300 after header install

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1 2)

skaffy03 on Mar 23, 2014

Mar 25, 2014 05:53 PM
by skaffy03

10

7,821

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

crank, limiter, p0300, ptrucksnet, relearn, rev

P 0300 code

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1 2 3)

03 BLKTAHOE on Jun 27, 2013

Jul 9, 2013 01:24 AM
by 1FastBrick

22

3,326

chevy, p0174, p0300, p0300p0174roughidle, silverado, trailblazerp0174andp0300

P0174 and P0300 Rough idle

gbbmk on Jun 14, 2013

Jun 15, 2013 10:56 AM
by gbbmk

1

1,177

bbowerman on Jun 5, 2013

Jun 7, 2013 10:51 PM
by bbowerman

7

1,549

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

lots of problems

bbowerman on May 30, 2013

Jun 4, 2013 07:46 AM
by bbowerman

3

1,668

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

colder, engine, issue, p0300, plugs, stock

Colder plugs cause P0300?

Ferocity02 on Feb 4, 2013

Feb 10, 2013 07:28 AM
by GMCtrk

5

1,893

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 Feb 3, 2013

Feb 3, 2013 11:14 AM
by Evil Eric

1

858

P0134, P0300, P1115 after engine swap

way2much_01 on Dec 31, 2012

Jan 1, 2013 05:51 PM
by way2much_01

3

3,600

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

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

p0300, but cleared itself?

stranger ranger on Aug 27, 2012

Oct 17, 2012 05:58 PM
by tweeder

7

3,409

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 Aug 6, 2012

Aug 7, 2012 09:25 PM
by Phantomx55

10

3,606

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

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 May 18, 2012

May 21, 2012 07:07 PM
by 03 silverado

4

1,223

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 Mar 29, 2012

Mar 31, 2012 08:18 AM
by 1994Vmax

3

3,118

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

P0300 solutions?

5.3 GMC on Jan 30, 2012

Jan 31, 2012 12:06 PM
by 5.3 GMC

2

1,612

, 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

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

Big problem p0300

Yukon04 on Nov 14, 2011

Nov 14, 2011 10:19 PM
by badz24s

4

1,139

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

my first code, P0300, help!

badz24s on Nov 4, 2011

Nov 5, 2011 10:10 PM
by badz24s

7

5,745

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 Sep 25, 2011

Sep 27, 2011 11:15 PM
by pmgm

8

10,787

need help asap!

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lukn4trbl355 on Jul 26, 2011

Sep 1, 2011 12:06 AM
by lukn4trbl355

10

1,371

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

P0300 & p0200 dtc

static06 on Jun 27, 2011

Jun 27, 2011 10:58 PM
by static06

4

2,364

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

Quick diagnosis please P0300 and LT

CashDudeHomie on Jun 6, 2011

Jun 7, 2011 03:21 PM
by CashDudeHomie

3

1,049

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

check engine flashing and a p0300

SimpleManLance on May 14, 2011

May 17, 2011 10:43 PM
by 262_NBS

5

8,448

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

My "build" starts today after work..

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dmelvin on Apr 15, 2011

Apr 26, 2011 12:40 PM
by dmelvin

38

3,774

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 Mar 7, 2011

Mar 17, 2011 10:45 PM
by Goose33

9

2,751

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

P0300- Need advice

jpodell on Jan 15, 2011

Jan 15, 2011 09:51 PM
by scooter k

5

1,083

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

Truck Idling Rough, HELP !!!!!

javiles on Dec 1, 2010

Dec 10, 2010 06:43 PM
by javiles

7

1,283

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

Help with P0300 on my swap

4x4sierra on Nov 14, 2010

Nov 18, 2010 07:43 AM
by 4x4sierra

6

1,364

injectors

david0982 on Jun 8, 2010

Jun 11, 2010 10:53 PM
by budhayes3

4

1,231

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 Feb 16, 2010

Mar 20, 2010 12:01 AM
by ChevyTruck

54

9,493

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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TIM Z on Mar 6, 2010

Mar 7, 2010 06:50 PM
by 03sierraslt

11

17,701

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

The mystery of the check engine!!

Denali Dude on Dec 19, 2009

Dec 21, 2009 01:57 PM
by Denali Dude

9

1,688

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 Sep 5, 2009

Sep 9, 2009 06:16 PM
by YOOFORMULA

3

948

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

P0300 code

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Jeteys5.3 on Jul 8, 2009

Jul 9, 2009 10:25 PM
by Jeteys5.3

12

2,275

p0300

14psisupra on Mar 10, 2009

Mar 20, 2009 10:47 AM
by Dgrown

5

765

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 Dec 7, 2008

Dec 8, 2008 07:22 AM
by Raffman

11

2,580

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 Sep 5, 2008

Sep 6, 2008 06:05 PM
by foxySS

12

10,942

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 Aug 15, 2008

Aug 19, 2008 06:55 AM
by hirdlej

21

2,803

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

Misfires and random lean conditions...

lpguy on Jul 12, 2008

Jul 13, 2008 10:15 PM
by Wheatley

9

1,214

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 Jun 28, 2008

Jun 30, 2008 10:57 PM
by 1FastBrick

21

3,493

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

Some codes after cam swap

sv650lex on Jun 24, 2008

Jun 28, 2008 05:39 PM
by sv650lex

6

3,119

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

Timing tuner causing P0300 code?

chevytruckguy on Apr 11, 2008

Apr 11, 2008 10:56 PM
by chevytruckguy

0

690

NITROUS OXIDE

P0300

HD6.0l on Dec 25, 2007

Dec 29, 2007 10:56 AM
by HD6.0l

4

1,551

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 Nov 11, 2007

Nov 16, 2007 09:46 PM
by truckmann

15

3,934

P0300

whoopassracer on Nov 10, 2007

Nov 13, 2007 08:37 AM
by BlueSS

1

694

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 Sep 19, 2007

Sep 24, 2007 09:36 AM
by OnyxSilveradoSS

11

2,310

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

At witts end!!!

Lord Aries on Jun 29, 2007

Jun 30, 2007 06:42 PM
by Lord Aries

7

1,198

what is your misfire set at?

phasemaster1 on Jun 11, 2007

Jun 13, 2007 09:33 AM
by phasemaster1

6

712

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

trouble code P0300

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GTOsRamairSilverado on May 6, 2007

May 10, 2007 07:30 PM
by GTOsRamairSilverado

13

1,471

Southern

whats my problem ??? misfire!!

GTOsRamairSilverado on May 5, 2007

May 5, 2007 04:19 PM
by GTOsRamairSilverado

2

631

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

DTC p0300 question?

chris04 on Mar 16, 2007

Mar 19, 2007 11:41 PM
by 1slowsilverado

3

842

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

DTC's after pcm swap

12sec.5.3 on Oct 13, 2006

Oct 16, 2006 01:43 AM
by Wilde Racing

9

3,128

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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KY_BOB on Aug 1, 2006

Aug 7, 2006 02:41 PM
by FlaBouy

46

9,228

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 Jun 19, 2006

Jun 21, 2006 09:57 AM
by 86MC_SS

17

18,522

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

Black Smoke?

WaitinToDrag on May 22, 2006

May 23, 2006 09:08 AM
by 1ImperialSS

9

1,688

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

P0300 code?

JRsilverado on Sep 7, 2005

Mar 2, 2006 10:07 AM
by Zick

7

1,694

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 Aug 23, 2005

Aug 28, 2005 01:03 PM
by 1slow01Z71

20

3,926

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

P0300 and Intermitent Lean!

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1 2)

TurboGibbs on Aug 15, 2005

Aug 27, 2005 07:35 AM
by TurboGibbs

11

1,448

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

Frustrated Radix Tune!!! PLs Help!

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dhpro on Jul 25, 2005

Jul 27, 2005 10:39 AM
by dhpro

50

4,757

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 May 20, 2005

May 23, 2005 08:08 PM
by litreddevil

15

2,762

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 Apr 27, 2005

May 1, 2005 08:42 PM
by RyPkr_99

4

5,263

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 Feb 11, 2005

Mar 20, 2005 11:00 PM
by GREGGO

15

4,110

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

P0300 multiple cylinder misfire

greentahoe on Feb 16, 2005

Feb 16, 2005 09:30 PM
by greentahoe

8

4,698

p0300 help?

rgvsierra on Jan 31, 2005

Jan 31, 2005 08:03 PM
by 67SS509

2

652

Dynomaxx header kit

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1 2)

closet red neck on Jan 16, 2005

Jan 18, 2005 07:32 PM
by marc_w

15

1,361

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

Engine error code p0300

haynSS on Sep 20, 2004

Sep 23, 2004 02:30 AM
by slmdLS1

5

1,765