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Threads Tagged with p0300

Threads Tagged with p0300

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engine mis-fire, p0300

2 Attachment(s)

2023 P0300 Code Engine mis-fire thread-2006 H2 6.0L

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Multi-page thread

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LuvMy2006H2 on 11-09-2023

12-18-2023 09:31 AM
by legerwn

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62

4,260

misfire, p0300, pcv, wiring

hummer h3 misfiring...?

yoH3 on 10-06-2023

10-11-2023 09:42 AM
by Doc Olds

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8

615

Smile

cel, fixed, p0300

Check Engine Light P0300 Cure

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1 2)

Bill_AK on 12-10-2019

04-10-2021 09:34 PM
by legerwn

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12

7,969

0300, 05, 2003, code, forum, h2, hummer, knock, misfire, misfires, missfire, p0300, po300, random, sensor

Random misfire code P0300? H2

pm1010 on 07-21-2012

09-20-2019 09:01 AM
by madmayo

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5

42,298

2007, 2431, c0268, code, giving, h3, hummer, p0014, p0300, p2119, p2431, popping, trouble

7 Codes 2008 H3 with 84000 miles

Gunfighter13 on 12-02-2013

07-24-2014 11:26 PM
by Happy Hummer

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8

7,517

PRIVATE For Sale / Trade Classifieds

0305, 2006, code, coil, ebay, error, h3, hummer, p0300, p0305, p0305b, pack, po305

10 Attachment(s)

P0300 and P0305 Codes

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Multi-page thread

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norinco3264 on 04-21-2014

04-25-2014 06:51 PM
by hummerz

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20

33,906

PRIVATE For Sale / Trade Classifieds

2006, code, codes, h3, hummer, long, p0300

2 Attachment(s)

There it is, P0300 code. Likely head #2 is bad.

larry0071 on 03-16-2014

03-29-2014 06:16 PM
by larry0071

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7

22,158

PRIVATE For Sale / Trade Classifieds

Poll

2006, bad, cylinder, dtc, engine, gm, h3, head, heads, hummer, l52, misfire, p0300, problems, sticky, valve

Sticky Thread

Sticky Poll

Exactly how many have had HEAD/Valve Problems

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Multi-page thread

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Dennis on 11-30-2006

12-17-2013 12:22 PM
by keystone

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245

74,267

Head and Valve Problems.

06, check, code, codes, engine, error, h3, hummer, light, p0014, p0128, p0300, p0303, po128, trooper

P0300 and P0128

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Multi-page thread

1 2)

Matthew C. Powell on 01-06-2013

05-01-2013 02:06 PM
by Xlr8n

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12

14,344

PRIVATE For Sale / Trade Classifieds

06, 2006, code, codes, fault, fuel, h3, hummer, misses, ol, p0300, p0300codep0128, replace, solenoid, sys, vvt

2006 H3 p0300 code with freeze frame

alonna on 03-19-2013

03-28-2013 05:21 PM
by alonna

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9

15,633

PRIVATE For Sale / Trade Classifieds

06, 2006, 69k, code, cost, differential, front, good, h3, high, hummer, miles, mount, owners, owning, p0300

Potential H3 Owner

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Multi-page thread

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LifeIsGood on 01-04-2013

01-23-2013 04:44 PM
by Doc Olds

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30

14,533

PRIVATE For Sale / Trade Classifieds

2006, camshaft, code, codes, correlation, falla, h3, hummer, ismy, mifires, p0017, p0017p0300, p0017po300, p0171, p0300, sensor

P0017 & P0300 Codes

ericksos on 12-18-2012

12-18-2012 12:59 PM
by ericksos

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0

9,355

PRIVATE For Sale / Trade Classifieds

canister, code, evap, h2, h3, hand, held, hummer, ii, m3, obd, obdii, p0300, plug, po300, programmer, wires

p0300 code

H3I5 on 04-12-2012

04-27-2012 04:23 PM
by H3I5

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4

6,978

PRIVATE For Sale / Trade Classifieds

Angry

101, 2003, 2005, code, codes, diagnostic, fix, h2, hummer, obd, p0300, po101, po101po300, po300, seafoam

Fed up!

darnell72 on 02-12-2012

03-11-2012 01:10 AM
by chesh97

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5

3,507

PRIVATE For Sale / Trade Classifieds

Angry

05, 2006, 35, chevy, cjyork, code, colorado, cyl, engine, forum, h3, hummer, p0300, po300, water

Another dreaded code P0300

CJYork on 10-22-2011

10-26-2011 10:09 PM
by CJYork

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8

36,032

PRIVATE For Sale / Trade Classifieds

0300, 07, 37, code, codes, error, firer, h3, hummer, miss, missfire, p0300, p0300hummerh3, shaking, start, starts

p0300 random missfire

mrigor on 07-29-2011

07-30-2011 02:39 AM
by Muddydawg75

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4

5,320

PRIVATE For Sale / Trade Classifieds

2006, 35, actuater, actuator, camshaft, check, code, engine, h3, hummer, light, open, p0300, position, stuck

check engine light

roughneck1115 on 02-01-2011

02-06-2011 01:05 AM
by TAINTER

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6

2,683

PRIVATE For Sale / Trade Classifieds

07, 2003, code, codes, cyclinder, cylinder, dtc, h2, h3, hummer, misfire, multiple, p0300, random, reflash

DTC Code P0300 - Multiple Random Cyliner Misfire

Calgary on 07-20-2007

08-01-2010 12:29 AM
by Jkmako

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1

15,605

PRIVATE For Sale / Trade Classifieds

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