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 01-04-2012

01-24-2014 02:26 PM
by MaDChevy95

16

31,130

GM Engine & Exhaust Performance

Help! Po300 appears when raining in 2008 sierra

SpeedyG. on 04-12-2013

04-12-2013 10:38 PM
by cammed00

1

687

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 08-27-2012

10-17-2012 06:58 PM
by tweeder

7

3,269

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 10-04-2012

10-05-2012 12:50 PM
by lukn4trbl355

2

2,009

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 06-01-2012

06-03-2012 06:19 PM
by Chevy Man 6

4

1,271

Tuning, Diagnostics, Electronics, and Wiring

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

P0300 solutions?

5.3 GMC on 01-30-2012

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

2

1,528

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 08-13-2011

12-04-2011 09:21 PM
by Tim94gt

5

2,483

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 10-04-2011

10-18-2011 11:01 PM
by 5speedsilverado

12

23,472

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 09-25-2011

09-28-2011 12:15 AM
by pmgm

8

10,240

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 05-14-2011

05-17-2011 11:43 PM
by 262_NBS

5

8,268

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 03-07-2011

03-17-2011 11:45 PM
by Goose33

9

2,701

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 12-08-2010

01-20-2011 06:38 PM
by 5.3 GMC

16

25,819

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 11-14-2010

11-18-2010 08:43 AM
by 4x4sierra

6

1,239

GM Engine & Exhaust Performance

injectors

david0982 on 06-08-2010

06-11-2010 11:53 PM
by budhayes3

4

1,137

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 02-16-2010

03-20-2010 01:01 AM
by ChevyTruck

54

9,052

Tuning, Diagnostics, Electronics, and Wiring

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

PO 300 Misfire.

TheTechnician on 11-11-2009

11-14-2009 10:24 PM
by TheTechnician

4

1,394

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 09-15-2009

09-18-2009 12:38 PM
by budhayes3

5

1,681

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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1 2)

Jeteys5.3 on 07-08-2009

07-09-2009 11:25 PM
by Jeteys5.3

12

2,137

Tuning, Diagnostics, Electronics, and Wiring

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

code po300

1andOnly on 12-12-2008

12-22-2008 09:25 PM
by v8

5

966

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 09-03-2008

09-03-2008 12:31 PM
by budhayes3

1

1,608

GM Engine & Exhaust Performance

Wiiiierd problem....MAF causing trouble!!

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1 2)

01Blackerado on 10-04-2007

10-08-2007 11:15 AM
by dc_justin

18

1,167

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 05-06-2007

05-10-2007 08:30 PM
by GTOsRamairSilverado

13

1,364

Southern

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

DTC p0300 question?

chris04 on 03-16-2007

03-20-2007 12:41 AM
by 1slowsilverado

3

779

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 05-22-2006

05-23-2006 10:08 AM
by 1ImperialSS

9

1,563

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 03-05-2005

03-10-2005 08:14 PM
by KeukaZ71

12

13,006

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 02-17-2004

02-17-2004 11:03 PM
by augiedog77

6

6,305

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 10-30-2003

11-01-2003 01:14 PM
by L82gofast

6

1,833

GM Engine & Exhaust Performance