po300 - PerformanceTrucks.net Forums - Threads Tagged with po300

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04, 2000, 2004, 2500, 2500hd, bad, cat, code, misfire, o2, p0300, po300, random, sensor, silverado

po300 random misfire

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cffd175 on Jan 4, 2012

Jan 24, 2014 01:26 PM
by MaDChevy95

16

31,551

GM Engine & Exhaust Performance

Help! Po300 appears when raining in 2008 sierra

SpeedyG. on Apr 12, 2013

Apr 12, 2013 09:38 PM
by cammed00

1

799

Tuning, Diagnostics, Electronics, and Wiring

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

Tuning, Diagnostics, Electronics, and Wiring

3200, 53, 600, a, code, lift, lifter, po121, po300, problems, silverado, stall, switch, tahoe, tps

cam swap now po121 and po300

lukn4trbl355 on Oct 4, 2012

Oct 5, 2012 11:50 AM
by lukn4trbl355

2

2,084

Tuning, Diagnostics, Electronics, and Wiring

03, 2002, 300, 53, chevy, crankshaft, engine, gm, po, po300, relearn, rpm, sensor, silverado, swap, tahoe, vortec

Po300 help!

Chevy Man 6 on Jun 1, 2012

Jun 3, 2012 05:19 PM
by Chevy Man 6

4

1,323

Tuning, Diagnostics, Electronics, and Wiring

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

Tuning, Diagnostics, Electronics, and Wiring

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

06 2500 6.0 Misfire issue (po300)

pmgm on Aug 13, 2011

Dec 4, 2011 08:21 PM
by Tim94gt

5

2,526

Tuning, Diagnostics, Electronics, and Wiring

06, 48, 60, chevrolet, chevron, chevy, clean, cleaner, cleaning, fuel, injector, injectors, po200, po300, silverado

Cleaning fuel injectors 06 silvy 6.0

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pmgm on Oct 4, 2011

Oct 18, 2011 10:01 PM
by 5speedsilverado

12

25,215

Tuning, Diagnostics, Electronics, and Wiring

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

10,786

Tuning, Diagnostics, Electronics, and Wiring

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

GMT 800 & Older GM General Discussion

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

Tuning, Diagnostics, Electronics, and Wiring

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

26,888

Tuning, Diagnostics, Electronics, and Wiring

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

1,362

GM Engine & Exhaust Performance

injectors

david0982 on Jun 8, 2010

Jun 11, 2010 10:53 PM
by budhayes3

4

1,231

GM Engine & Exhaust Performance

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

Tuning, Diagnostics, Electronics, and Wiring

2007, 2008, 300, 300misfire, 53, cylinder, fire, gmc, misfire, miss, po, po300, sierra, sierra43

PO 300 Misfire.

TheTechnician on Nov 11, 2009

Nov 14, 2009 09:24 PM
by TheTechnician

4

1,447

GMT 900 Trucks General Discussion

2005silverado, 5, cleaning, cylinder, fuel, hesitatation, injector, intermittant, jeep, lafayette, louisiana, misfire, po300, service, srt8, trailblazer

Drivability Problems / P0300

three83 on Sep 15, 2009

Sep 18, 2009 11:38 AM
by budhayes3

5

1,829

GMT 800 & Older GM General Discussion

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

Tuning, Diagnostics, Electronics, and Wiring

2003, 228r, chevy, code, general, jeep, misfire, motors, po300, random, silverado, trailblazer

code po300

1andOnly on Dec 12, 2008

Dec 22, 2008 08:25 PM
by v8

5

1,093

Tuning, Diagnostics, Electronics, and Wiring

1998, 2005, 53, 60, c107, code, dtc, ford, gmc, po300, silverado, trouble, truck, yukon, z71

po300 DTC what is it?

Michael Matthews on Sep 3, 2008

Sep 3, 2008 11:31 AM
by budhayes3

1

1,724

GM Engine & Exhaust Performance

Wiiiierd problem....MAF causing trouble!!

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1 2)

01Blackerado on Oct 4, 2007

Oct 8, 2007 10:15 AM
by dc_justin

18

1,286

Tuning, Diagnostics, Electronics, and Wiring

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 May 6, 2007

May 10, 2007 07:30 PM
by GTOsRamairSilverado

13

1,471

Southern

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

Tuning, Diagnostics, Electronics, and Wiring

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

GM Engine & Exhaust Performance

02, 05, 15759042, 17113539, 17113596, canister, fuel, location, misfiring, pn, po300, po332, silverado, vapor, z71

Help! Misfire driving me nuts! ('99 5.3 Z71)

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ricksta777 on Mar 5, 2005

Mar 10, 2005 07:14 PM
by KeukaZ71

12

13,660

GM Engine & Exhaust Performance

2000, 2001, 57, 57l, 65mph, chevy, code, engine, p0300, po300, pontiac, silverado, ss, tahoe, tbss, trailblazer

The infamous "P0300" code

XtinctHawk02 on Feb 16, 2004

Feb 17, 2004 10:03 PM
by augiedog77

6

6,456

GM Engine & Exhaust Performance

2000, 2003, 300, caddy, code, crazy, cts, driving, feel, general, missfire, motors, po, po300, truck

PO300 code misfire/detected

Wheatley on Oct 30, 2003

Nov 1, 2003 12:14 PM
by L82gofast

6

1,935

GM Engine & Exhaust Performance