Threads Tagged with po300

01, 2003, 60, chevrolet, chevy, code, dtc, engine, fault, forums, gm, misfire, po300, random, silverado

PO300 code

landlords2 on Sep 16, 2003

Aug 10, 2015 07:25 PM
by lq4headache

12

2,944

Pontiac Firebird 1967-2002

300, car, code, firebird, lt1, misfire, multiple, po, po300, pontiac, shaking

LT1 PO300 misfire shacking

gregfire on Aug 13, 2013

Aug 13, 2013 01:13 AM
by gregfire

0

1,152

97, bad, catless, code, corvette, ecm, exhaust, hit, limiter, p0300, po300, rev, system, vararam, ws6

p0300 after racing a shelby

BoostedBird on Nov 22, 2012

Nov 25, 2012 07:40 PM
by gconnoyer

8

1,484

Pontiac GTO 2004-2006

code, crank, drive, flashing, highway, load, make, misfire, missfire, multiple, oxygen, p0300, po300, random, read, sensor, tahoe

Code p0300-Input welcomed....a little stumped

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1 2)

xxKennyDxx on Aug 9, 2012

Nov 11, 2012 03:40 PM
by robertbartsch

31

15,255

01, 2010, camaro, car, code, data, fine, ls3, mustang, p0300, perfect, po300, prizm, running, runs, seconds, vehicle

P0300 code but car runs fine

bad01gt on Aug 13, 2012

Aug 23, 2012 09:16 PM
by bad01gt

4

9,290

bad, calibration, car, care, clears, code, crank, drive, eventually, fine, great, light, ls1, o2, p0300, po300, runs, sensor, ses

P0300 code but car runs great

bad01gt on Aug 13, 2012

Aug 23, 2012 09:16 PM
by bad01gt

5

8,068

0300, 97, camaro, code, coils, fuel, ls1, ls1tech, ls6, lt1, p0300, po300, swapped, tech, test

I have a P0300 code...help !!

Bobby G on May 5, 2012

Jul 22, 2012 10:25 AM
by Bobby G

18

4,715

PO300 Engine Code Issues?

hzemall on Jun 9, 2012

Jun 10, 2012 08:17 AM
by Old Geezer

1

876

misfire?

KyleW707 on May 16, 2012

May 16, 2012 07:55 PM
by LS6427

6

1,042

97, firebird, ls1tech, lt1, po300, pontiac

PO300 Stumble

Jr.Samples on May 9, 2012

May 9, 2012 09:35 PM
by Jr.Samples

2

962

cam, cammed, change, code, fighting, head, imstall, ls1, ls1tech, motor, p0300, p300, pcm, po300, swap

P0300 after heads/cam swap

Austinma62 on May 1, 2012

May 1, 2012 06:31 PM
by Tally TransAm

1

2,683

02, boosted, cam, camaro, code, header, headers, install, installing, knock, lt, p0300, po300, sensor, throws

Cam and headers. Got some codes?

BKsNHRA on Apr 20, 2012

Apr 27, 2012 08:29 AM
by BKsNHRA

11

1,795

01, 02, 2001, bank, check, code, dtc, ls1tech, o2, p0161, p0300, po300, sensor, trans, z28

01 z28 just thrown an p0300 code

Jayday on Feb 9, 2012

Apr 14, 2012 10:43 AM
by Jayday

16

7,603

0300, converter, gto, loss, ls1, ls1tech, ls2, misfire, p0300, po300, power, ramdom, random, rans, stall

p0300 random misfire

white99ta!! on Mar 5, 2012

Mar 5, 2012 09:36 PM
by white99ta!!

0

973

03, carbed, check, fuel, lq4, misfire, misfiring, missfiring, p0300, po300, pressure, random, rebuild, silverado, tuner

LQ4 misfire issues

Jim85IROC on Dec 4, 2011

Dec 7, 2011 01:02 AM
by stangtrader

1

4,248

03, 48, b2, code, converter, oxygen, p0300, pcm, po300, reading, s1, scanner, sensor, silverado, tbss, tune

P0300 on pretty much Stock 4.8

frankmarroquin on Jan 16, 2011

Oct 5, 2011 04:23 PM
by frankmarroquin

8

1,285

2001, bonneville, c5, code, gxp, obdii, occasional, p0154, p0300, p1133, p1153, po154, po300, pontiac, suburban

P0154, P0300, P1153 after switching to an ORY

KC21386 on Aug 17, 2011

Sep 12, 2011 06:47 AM
by DannoWS6

8

2,637

Eastern Members

96, air, camaro, code, flow, lead, lt, lt1, mass, p0100, p0300, po100, po300, ss, wire

P0100 and P0300 code problems now what?

Dane. on Aug 17, 2011

Aug 17, 2011 07:16 PM
by Dane.

0

3,405

2001, 90psi, 97, broken, code, cylinder, exhaust, firebird, ib, leak, misfire, mustang, po300, throw, valve, z28

P0300 Multiple misfire code - check individual cylinders?

Leeet on Aug 14, 2011

Aug 15, 2011 09:52 AM
by Leeet

5

8,719

active, change, fix, fuel, gmc, gxp, lofoil, ls4, management, misfire, oil, pip4814c, po300, pulley, warranty

trouble with the dealer

gxp-miller-gxp on Aug 5, 2011

Aug 6, 2011 04:19 PM
by gxp-miller-gxp

11

1,557

LS4 Performance

code, driven, flashing, freeway, highway, ls1, ls1tech, p0300, po300, ses, set

P0300 on Highway cruise

redbird555 on Jun 1, 2011

Jun 1, 2011 08:27 PM
by redbird555

0

777

P0151

Empatho on May 10, 2011

May 17, 2011 11:50 PM
by Empatho

6

4,534

2000, 2002, 300, 3l, camaro, code, location, misfire, misfires, multi, multiple, po300, po300b, random, ss

PO300-multiple random misfire

02sslayer on Apr 14, 2011

Apr 15, 2011 12:08 AM
by TehGODofGreen

6

5,867

02, 0300, bad, camaro, code, diagnostic, engine, front, hesitates, light, ls1, p0300, po300, sensor, thrown

4th gear pull and got Code P0300 (ENGINE MISSFIRE) for the first time.

ZYBORG on Mar 6, 2011

Mar 6, 2011 07:20 PM
by camaro981289

6

2,323

afrer, cam, cammed, code, corvette, head, heads, install, ls1, ls2, maf, p0300, p300, po300, swap, trans, untuned

p0300 Code after Heads and Cam

Greekey on Mar 1, 2011

Mar 1, 2011 01:29 PM
by MM98

3

1,659

02, codes, coil, escalade, firebird, g8, gt, impala, ls, ls1, misfire, mount, p0300, po300, poly, pontiac, ss, test, trans

P0300 code please help!!!

INIT2WIN on Feb 16, 2011

Feb 17, 2011 12:38 AM
by joshp14

7

1,161

1996, 96, camaro, chevrolet, chevy, code, engine, firebird, formula, lt1, opti, p0141, p0300, po141, po300, z28

code p0141 and code p0300 thrown together what does it mean??

CarolinaCamaro on Jan 26, 2011

Jan 26, 2011 11:01 AM
by 96lt1m6

3

9,018

93, 98, bank, camaro, code, covers, drivers, fouled, ls1, milky, plugs, po300, po300b, side, spark, v6, valve

po300 runnin out of options please help

97lt1z28 on Jan 8, 2011

Jan 24, 2011 12:13 PM
by FiredUpZ28

17

1,678

01, 2002, battery, code, ls1tech, misfire, optmum, p0300, po300, reasons, trans

P0300 Misfire Issue

2002 Trans Am on Jan 14, 2011

Jan 14, 2011 08:53 AM
by 2002 Trans Am

0

687

1998, 3, 300, 95, box, dtc, egg, firebird, firebirdmisfire, formula, fuse, ls1, ls1tech, po300, pontiac, rotten, smell

po300..please help me

97lt1z28 on Jan 1, 2011

Jan 6, 2011 11:20 PM
by EVERETTDREW

9

860

Cadillac CTS-V 2004-2007 (Gen I)

2007, 60, cadillac, cam, check, code, cts, diagnostic, engine, light, misfire, oldsmobile, p0101, p0300, po300, random

Need help with an engine code

kaddo101 on Dec 20, 2010

Dec 26, 2010 10:54 AM
by kjr6306

11

2,669

car, code, gm, light, ls1tech, lt1, maf, misfiring, p0336, po300, po336, randomly, ses, stock, throwing

Stock LT1, P0336 code, flashing SES light

colospgsTA on Dec 21, 2010

Dec 21, 2010 09:08 PM
by robsquikz28

3

3,216

car, cars, exhaust, flooded, ftrm, gunpowder, location, o2, p0300, pic, po300, rear, sensor, smells, st, wash

help with p0300 please

2formulas on Dec 17, 2010

Dec 18, 2010 02:21 AM
by topspeed7

4

1,643

New LS1 Owners - Newbie Tech

04, 2500hd, air, flow, ford, gmc, ls1tech, maf, mass, misfire, p0101, p0300, p0420, po101, po300, po420, sierra

P0300, P0101, P0420 Please Help

Tim94gt on Dec 15, 2010

Dec 16, 2010 04:47 PM
by Tim94gt

1

4,774

2000, causing, code, exhaust, exhuast, firebird, idle, leak, ls1, misfire, o2, p0300, po300, pontiac, random

Could an exhaust leak cause a P0300 code at idle?

hitmanws6 on Dec 14, 2010

Dec 14, 2010 01:53 PM
by flame

2

11,319

1997, car, chevy, code, codes, lt1, misfire, misfires, p0175, p0300, po175, po300, random, rich, running, silverado, stoplight

Car misfires - Codes p0300 and p0175

PsychoticX on Dec 3, 2010

Dec 10, 2010 12:30 AM
by ws6manny

2

6,183

300, autozone, code, cold, light, ls1, ls6, maf, morning, po, po300, rough, runs, start, starts

PO300 at cold start

O2Form on Dec 3, 2010

Dec 6, 2010 07:41 PM
by O2Form

14

1,766

LS1-LS6 Swap

Z/28 Dave on Nov 4, 2010

Nov 4, 2010 06:26 PM
by Z/28 Dave

3

578

300, 98, code, codes, firebird, fireing, installed, maf, po300

PO300 Code! Let me explain.

frack on Sep 8, 2010

Sep 10, 2010 10:23 PM
by 98pontiac

4

1,249

car, closed, code, engine, fat, gray, idles, loop, ls1, ls1tech, po300, rough, running, smoke, ss, surges, trailblazer

Running Fat + Idle Problems

bichin95redta on Oct 8, 2006

Aug 28, 2010 02:20 PM
by emenny81

11

6,603

New LS1 Owners - Newbie Tech

1998, 2002, 350, bad, camaro, ci, hard, ls1, p0300, po300, problem, problems, start, z28

bad problems p0300, but is making a sap like stuff come out

Shanna on Jul 23, 2010

Jul 23, 2010 01:59 PM
by Shanna

2

638

96, 97, camaro, camaroz28, code, codes, firebird, ls1tech, lt1, p0300, po300, pontiac, rid, trans, z28

Lt1 Newbie P0300 code

jtbadboyz28 on Mar 24, 2010

Mar 24, 2010 01:58 AM
by Bowtie Boy

2

2,125

accelerating, arcing, bosch, cap, chevy, code, lt1, misfire, missfire, po300, radom, random, rotor, wires, z28

Random Misfire Code PO300??

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1 2)

WARDOG on Dec 4, 2008

Feb 27, 2010 06:12 AM
by TedsB4Csled

39

9,791

2000, car, code, engine, error, firebird, hemi, ls1, misfire, multiple, p0300, p0418, po300, random, trans

problem with this code. p0300 random multiple missfire..

hnaskoct on Jul 30, 2009

Jan 23, 2010 07:11 AM
by dnkynrbk

15

9,675

1997, bent, cam, common, ford, heads, ls1, misfire, multiple, mustang, p0300, po300, pushrods, random, replace

P0300 random multiple misfire code after replacing bent pushrods

91 LS1 Z28 on Jan 17, 2010

Jan 17, 2010 04:20 PM
by NHRAFORMULA00

4

3,568

New LS1 Owners - Newbie Tech

car, change, cylinder, dies, dying, idle, idling, light, lincoln, ls1, misfires, misfiring, oil, po300, problems, problemsmisfire, stops

Car started having problems (misfires and almost dies at idle)

01SOMZ28 on Oct 29, 2009

Nov 2, 2009 09:36 PM
by caddobass

16

8,207

04, code, gto, install, intake, ls1, ls1tech, mazda, p0300, po300, tech

p0300 code after fast install.Help

sscamaro1384 on Sep 8, 2009

Sep 12, 2009 09:57 PM
by sscamaro1384

2

876

04, 53, bad, code, cold, driving, egr, fix, hemi, ls1tech, misfire, p0300, pcv, po300, spring, valve, warms, weak

Damn POS P0300 code

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1 2)

hurley711 on May 9, 2009

Jun 27, 2009 11:57 AM
by hurley711

23

2,274

102, 2000, 2001, chevy, code, codes, computer, impala, ls1, maf, po102, po300, trouble

trouble code help

linebacker50 on Jun 8, 2009

Jun 9, 2009 01:11 PM
by 7camaro7

5

612