p0300

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81, 81l, code, fault, fix, flashing, great, ls1, ls6, misfire, p0300, po300, runs, throwing, towing, yukon

P0300 misfire WTF!!!

camarochvy21 on Jul 16, 2005

Aug 1, 2005 01:02 PM
by crainholio

10

1,019

PCM Diagnostics & Tuning

02, 300c, 48, camaro, chevy, chrysler, code, engine, fuel, injector, misfire, p0300, plugs, po300, problems, srt8, starting

p0300 misfire code help

(

1 2)

Eiyse98ls1 on Jul 7, 2005

Jul 25, 2005 10:49 PM
by Figz Z28

23

2,073

PCM Diagnostics & Tuning

bad, failure, faulty, ground, ignition, knock, misfire, missfire, p0300, pcm, po300, random, sensor, start, wire

Dead car - P0300 random misfire, no start

robertbartsch on Jul 18, 2005

Jul 20, 2005 09:10 AM
by robertbartsch

3

794

PCM Diagnostics & Tuning

2006, code, g6, gauge, gen, idle, idling, ls1, p0300, p0420, rough, ruff, seafoam, ss, temp, thinner

Rough idle & infamous P0420 code (long)

Slammed99s10 on Jun 13, 2005

Jun 20, 2005 11:24 PM
by Slammed99s10

7

8,731

Generation III Internal Engine

1996, 2005, 96, caprice, chevy, code, cylinder, hemi, impala, lt1, misfire, missfire, multiple, myltiple, p0300, random, ss

P0300 Random/Multiple Cylinder Misfire

jrivera04 on Jun 13, 2005

Jun 13, 2005 11:00 PM
by matt94z

2

4,832

LT1-LT4 Modifications

06, 1999, 97, code, codes, drive, drove, gmc, hemi, jimmy, ls1, p0152, p0152b, p0300, po152, puddle

P0152 and P0300 after large puddle?!?!

99whitews6 on Jun 12, 2005

Jun 12, 2005 04:14 PM
by 99whitews6

0

930

PCM Diagnostics & Tuning

P0300 & P0307

87GMC on Jun 4, 2005

Jun 6, 2005 04:43 PM
by 87GMC

8

2,468

PCM Diagnostics & Tuning

53, chugs, cylynder, engine, high, higher, history, low, ltft, misfire, misfires, p0300, rpm, rpms, subaru

Misfire at LOW RPM's, not high RPM's P0300 set

queso on Jun 4, 2005

Jun 5, 2005 05:54 PM
by Nate_Taufer

5

7,576

Generation III Internal Engine

2004, 2006, 226, 236, 48, asa, cam, chevy, code, gm, p0106, p0300, p1133, p1153, trailblazer

P0106 P0300 P1133 P1153 ASA cam

TheHun on Apr 16, 2005

Apr 17, 2005 11:40 AM
by mikes02ls1

4

2,723

PCM Diagnostics & Tuning

01, 2000, blinks, codes, flashes, flashing, high, light, ls1, lt1, p0171, p0172, p0174, p0175, p0300, rpms, ses, silverado, z71

SES Light Flashing!?!

-NewLegacy- on Apr 4, 2005

Apr 6, 2005 11:52 AM
by ICEBOX

12

2,152

PCM Diagnostics & Tuning

P0300 code only at Idle.

Y2KSLPSS on Apr 5, 2005

Apr 6, 2005 07:37 AM
by Y2KSLPSS

2

568

PCM Diagnostics & Tuning

10, 2001, mod, p0135, p0300, procharger, tahoe

Throwing P0135 and P0300 codes

buschman on Mar 14, 2005

Mar 15, 2005 04:31 PM
by buschman

4

919

PCM Diagnostics & Tuning

car, diagnosis, fires, mis, miss, multiple, o2, p0161, p0300, problem

O2 problem, car has BIG miss

TDSRacing on Feb 21, 2005

Feb 25, 2005 11:28 AM
by The Alchemist

4

734

PCM Diagnostics & Tuning

1998, 2003, ac, camaro, car, heaterac, idle, idles, ls1, malibu, p0300, p0481, z28

Idle Issue when A/C is on any help is good

00tals1 on Feb 3, 2005

Feb 3, 2005 08:25 PM
by Another_User

3

807

PCM Diagnostics & Tuning

Mark98SS on Dec 29, 2004

Dec 29, 2004 04:10 PM
by Mark98SS

0

535

PCM Diagnostics & Tuning

0300, 98, code, enable, hptuners, p0300, po300, quick, spark, trans, transam

Help on a Code: P0300

RedDemon2 on Dec 6, 2004

Dec 7, 2004 08:57 AM
by RedDemon2

3

892

PCM Diagnostics & Tuning

2001, 2500hd, camcorvette, camcrank, case, code, crank, crankshaft, error, false, option, p0300, procedure, relearn, scanner, sensor

crank relearn

redbandit98 on Sep 19, 2004

Sep 27, 2004 06:56 PM
by DeepBlueZ

12

7,247

PCM Diagnostics & Tuning

2008, arm, arms, caused, check, cobalt, engine, install, light, ls1, p0300, rocker

check engine light after rocker arms

cbota on Sep 6, 2004

Sep 7, 2004 05:40 AM
by cbota

3

652

Generation III Internal Engine

1998, camaro, code, fix, ls1, misfire, p0300, z28

Help in P0300 misfire code ??

oOoLy on Aug 28, 2004

Aug 31, 2004 09:37 PM
by oOoLy

5

643

PCM Diagnostics & Tuning

2003, 98silverado, chevrolet, code, evap, p0300, p0443, p0449, p0452, sensor, silverado, solenoid, trouble, x2

trouble codes...

slmdLS1 on Aug 28, 2004

Aug 28, 2004 04:15 PM
by slmdLS1

1

1,258

PCM Diagnostics & Tuning

code, hypertech, p0300, program, removed

Damn P0300 code Need some advice

1BAD-SS on Jul 24, 2004

Jul 25, 2004 08:40 PM
by 1BAD-SS

3

823

PCM Diagnostics & Tuning

code, fixed, fuel, lt1, misses, p0300, smell

Help! Engine misfiring. Running out of things to change

VT2 EXEC LS1 on Jun 29, 2004

Jul 5, 2004 12:28 PM
by SmokingWS6

8

994

PCM Diagnostics & Tuning

101, 6k, chevy, code, engine, float, low, misfire, p0300, p300, popping, rpm, rpms, stutters, symptoms, valve

Did ATAP....Got engine misfire code P0300

beachbird13 on May 23, 2004

May 27, 2004 01:20 PM
by jay_99z

7

997

PCM Diagnostics & Tuning

2001, 31, 35, 60l, bad, code, control, crank, gm, misfire, misfires, module, p0300, random, sensor

Would bad crank sensor cause random misfire and rough starts (non-LS1)?

MeanWS6 on May 6, 2004

May 7, 2004 01:19 PM
by technical

2

17,478

Generation III External Engine

Reset P0300, nothing yet

HydroDesign on Mar 24, 2004

Mar 25, 2004 02:01 PM
by CamaroCain

2

645

PCM Diagnostics & Tuning

2001, 53, c5, challenger, code, corvette, cylender, misfire, multiple, oxygen, p0300, random, remove, rt, simulator

p0300, random multiple cylinder misfire

Chris222x on Jan 21, 2004

Feb 5, 2004 09:55 AM
by Z28GSXRTim

7

1,176

PCM Diagnostics & Tuning

c5, header, headers, install, misfire, p0300, random

Random Misfire After Mac Header Install

Braun on Jan 15, 2004

Jan 17, 2004 02:30 AM
by 2002SilverWS-6

7

1,178

PCM Diagnostics & Tuning

2003, firebird, gm, l200, misfire, p0300, po307, po307trailblazer, pontiac, saturn, trans, troubleshooting

car running really really bad! I NEED HELP!!

WS6FirebirdTA00 on Dec 29, 2003

Jan 2, 2004 04:32 PM
by WS6FirebirdTA00

15

1,648

PCM Diagnostics & Tuning

32000, cam, change, delete, ls1tech, p0300, work

Just got a cam installed and now a P0300?

Lafngas98Z on Dec 19, 2003

Dec 19, 2003 08:55 PM
by Lafngas98Z

4

742

PCM Diagnostics & Tuning

2002, camshaft, gm, ls1tech, misfire, p0300, p0308, random, rid, sets, ws6

random misfire code wtf? P0300

2002SilverWS-6 on Oct 24, 2003

Nov 21, 2003 05:47 PM
by eallanboggs

17

1,379

PCM Diagnostics & Tuning

P0300 Code (Misfire at low RPM range) Need LS1Tech Diagnostics.

monodax on Nov 12, 2003

Nov 12, 2003 12:39 PM
by monodax

0

1,381

Generation III Internal Engine

2000, 53, p0300, p0327, p0332, silverado

help me out here :(

10secondZ on Nov 9, 2003

Nov 10, 2003 09:32 PM
by WS6FirebirdTA00

4

660

PCM Diagnostics & Tuning

P0300 goes set at idle when cold

eallanboggs on Oct 29, 2003

Oct 29, 2003 09:08 PM
by John02SS

1

509

PCM Diagnostics & Tuning

autotap, code, crank, itself, long, p0300, po300, relearn, reset, reseting, silverado, v30

SURPRISE! SURPRISE! P0300 Reset itself?

eallanboggs on Sep 4, 2003

Sep 6, 2003 08:11 AM
by DaveSchott

7

2,927

PCM Diagnostics & Tuning

2002, 292, cam, camaro, cams, code, corvette, fenton, fix, flp, hp, install, installing, mi, misfire, missfire, mustang, p0300, random

P0300 DTC after cam install?

eallanboggs on Aug 29, 2003

Aug 31, 2003 10:38 PM
by Jorday

8

46,751

PCM Diagnostics & Tuning

60l, chevy, code, detected, dtc, engine, gmc, hp, hybrid, hypertech, misfire, p0300, table, trouble, tuner, turning, yukon

DTC P0300 (engine misfire detected)

1320_PERFORMANCE on Aug 6, 2003

Aug 12, 2003 02:03 PM
by purevilss

8

1,737

PCM Diagnostics & Tuning

disabling, flashes, hp, p0300, ses, tuners

Throwing phantom codes....SES light flashing but no codes?

verbs on Jun 26, 2003

Jun 26, 2003 10:51 PM
by MyLS1Hauls

4

831

PCM Diagnostics & Tuning

99, cam, camaro, cylinder, detection, gm, install, misfire, p0300, problem, simple, solve, tables, tool, turning, ways

Best way to solve misfire detection problem after cam Install?

MYBLKSS on Mar 6, 2003

Mar 11, 2003 12:37 AM
by 02BlackWS6

8

950

PCM Diagnostics & Tuning

code, codes, ls1tech, misfires, p0154, p0300, po154, ses

p0154 code cause flashing SES?

FastAl on Mar 8, 2003

Mar 9, 2003 10:22 AM
by wrencher

1

879

PCM Diagnostics & Tuning

2004, code, dtc, engine, gto, ls1tech, p0300, po300

code po300

Sweet NHRA Formula26 on Feb 25, 2003

Mar 3, 2003 01:18 PM
by Sweet NHRA Formula26

3

1,447

PCM Diagnostics & Tuning

1996, carlo, misfire, monte, p0131, p0300, p0410

Ok, this one is a doosey...

CMNTMXR57 on Jan 30, 2003

Jan 31, 2003 09:41 AM
by eallanboggs

3

816

PCM Diagnostics & Tuning

32, burning, car, code, lean, map, misfier, misfire, multiple, obd, p0300, p300, rich, run, running, smells

Can running rich or lean cause p0300 misfire code?

thefritz1 on Nov 12, 2002

Nov 12, 2002 09:32 PM
by thefritz1

0

2,591

Generation III Internal Engine

10, controller, dodge, engine, ls1tech, motor, p0300, p16026, p1626

P1626 Engine Controller -

kick_*ss on Nov 7, 2002

Nov 8, 2002 01:55 PM
by kick_*ss

3

996

PCM Diagnostics & Tuning

02, 2000, 2001, 2002, 232, 2500, camaro, code, error, jeep, p0300, rpm, sets, wrangler, z28

P0300 code??

dand35th on Oct 10, 2002

Oct 10, 2002 07:01 PM
by Greg Fell

6

578

PCM Diagnostics & Tuning

exhaust, flashing, fuel, headers, leak, light, ls1tech, p0300, pump, ses

SES Light 2 weeks after Header Install!! HELP

50ETR on Oct 7, 2002

Oct 8, 2002 12:54 AM
by Spydum

3

585

Generation III External Engine

P0300 and Spring Breakage

99hawk297 on Jul 21, 2002

Jul 22, 2002 03:48 AM
by 1dirtyZ

1

643

PCM Diagnostics & Tuning

P0300 and LS1 Edit

H82BBad on Jun 18, 2002

Jun 18, 2002 10:22 PM
by 66ImpalaLT1

1

626

PCM Diagnostics & Tuning

05, 1996, 2004, 34, 96, air, carlo, code, codes, gto, injection, monte, p0300, pontiac, secondary, system

P0300 Secondary Air Injection code

CMNTMXR57 on May 26, 2002

Jun 6, 2002 01:22 PM
by CMNTMXR57

5

1,563

PCM Diagnostics & Tuning

I am getting an SES code "P0300" more than usual lately. What could be the reason?

swtvictory on May 17, 2002

May 18, 2002 08:13 AM
by swtvictory

2

505

PCM Diagnostics & Tuning

01, 53, body, cam, code, hole, hot, install, ls1, p0300, problems, runs, slower, stalling, stalls, throttle

Need Help After LS1 Hot Cam Installation

Fulton 1 on Apr 17, 2002

Apr 21, 2002 08:23 PM
by 98blackSS

16

3,393

Generation III Internal Engine