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75, 75mph, blazer, code, egr, mph, p0300, p300, po300, symptoms, valve

Freaking P0300 Code!!!

Menace on 05-21-2011

05-24-2011 09:45 AM
by swartlkk

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4

1,707

2nd Generation S-series (1995-2005) Tech

1996, 2002, 300, 97, bai, blazer, bravada, cat, cel, chevy, code, gmc, jimmy, plugged, po, po300

97 blazer po 300 and more

sorsha93 on 03-11-2011

03-12-2011 12:38 PM
by rriddle3

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1

1,334

2nd Generation S-series (1995-2005) Tech

97, blazer, blazzer, po300

97 blazer help!

sorsha93 on 03-12-2011

03-12-2011 12:01 PM
by rriddle3

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1

640

Engine & Transmission

Question

172, 2000, 300, 42, 43, at3000, blazer, check, chevy, code, engine, light, misfire, missfire, po, po300, random, tons

Codes po300,172&175

matt 13 on 01-30-2011

02-01-2011 05:50 PM
by matt 13

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3

3,863

Engine & Transmission

1998, 43, 98, 99, blazer, chevy, code, fix, misses, p0300, po300, reset, reverse, vortec, zr2

P0300 Done everything except 1 thing??

todster on 08-16-2010

01-10-2011 10:27 AM
by todster

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5

2,915

2nd Generation S-series (1995-2005) Tech

2001, 2005, 97, blazer, chevrolet, chevy, code, codes, k1500, maps, p0106, p0135, p0300, po135, po155, po300, truck

Codes - O2 and now MAP

arbie104 on 12-28-2010

12-30-2010 08:22 AM
by Captain Hook

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8

1,748

2nd Generation S-series (1995-2005) Tech

Angry

chevy, po300

po300 please help

tanya on 12-04-2010

12-05-2010 05:22 PM
by tanya

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4

834

2nd Generation S-series (1995-2005) Tech

1995, 1999, 2002, 300, 57, blazer, chevy, code, cylinder, engine, misfire, multiple, po300, po3000, random

Help, Dreaded Multiple Misfire Code PO300

Doug W on 11-21-2010

11-24-2010 01:13 PM
by rriddle3

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2

2,796

2nd Generation S-series (1995-2005) Tech

Angry

02, 1995, 2000, 2002, 43, 99, blazer, chevy, code, codes, diagnostic, p0300, po300, starting, trouble

P0300 code

PvBill49 on 09-30-2010

09-30-2010 03:12 PM
by rriddle3

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2

2,018

2nd Generation S-series (1995-2005) Tech

blazer, chevy, oxygen, po300, resolving, sensor

My PO300 Experience

High_Speed on 09-22-2010

09-22-2010 10:05 AM
by High_Speed

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0

945

2nd Generation S-series (1995-2005) Tech

2001, ac, blazer, borg, bwd, chevy, code, cylinder, delco, fowling, great, pickup, plug, po300, spark, warner, wire, wires

borg warner plug wires po300 code

High_Speed on 09-17-2010

09-21-2010 09:16 AM
by hemivette

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8

2,671

2nd Generation S-series (1995-2005) Tech

1995, 95, blazer, chevy, code, diagnosis, p0122, p0123, p0300, plugs, po122, po300, rich, runs, s10

P0122, P0123, P0300, runs rich?

wally72909 on 07-29-2010

07-29-2010 11:12 AM
by rriddle3

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1

2,249

2nd Generation S-series (1995-2005) Tech

03, 200, 2000, 2003, 43, blazer, chev, chevy, codes, dtc, good, p0300, p0303, po300, runs

haha P0300!!

blazer blaze13 on 07-22-2010

07-22-2010 06:21 PM
by blazer blaze13

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0

1,814

2nd Generation S-series (1995-2005) Tech

1993, 1996, 43, blazer, chevy, code, cylinder, ghost, hard, misfire, misfires, po300, random, start, tahoe, warm

Help-p0300 random cylinder misfire

(

Multi-page thread

1 2)

hunterman18 on 06-16-2010

06-22-2010 07:55 AM
by hunterman18

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13

14,287

2nd Generation S-series (1995-2005) Tech

2002, 43, 95, blazer, chevy, damper, distributor, engine, fire, line, mark, mis, misfire, po300, r134a, tdc, trailblazer

Engine misfire

01blueblazer on 05-15-2010

05-18-2010 08:16 PM
by swartlkk

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9

1,785

2nd Generation S-series (1995-2005) Tech

1997, 3500, 97, 98, blazer, chevy, code, cure, engine, ignition, misfire, module, p0300, po300, trouble, truck

97 Blazer, code P0300, done the usual

Sparkee on 01-31-2010

02-26-2010 12:57 PM
by Sparkee

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8

10,286

Engine & Transmission

Exclamation

1996, 43, 96, 98, blazer, chevy, code, codes, diagnostic, heavy, load, p1870, plug, po300, s10, tcc

Help with DTC

MNHawk on 02-23-2010

02-23-2010 01:38 PM
by MNHawk

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3

1,590

2nd Generation S-series (1995-2005) Tech

2000, blazer, chevy, code, codes, engine, fire, miss, missfire, missing, po300, po306, random, s10, trouble

random miss fire codes po300 & po306

das96blazer on 01-04-2010

02-22-2010 11:11 AM
by BLOND1WD

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4

4,986

2nd Generation S-series (1995-2005) Tech

1996, 2000, 2002, 89060439, backfiring, blazer, chevrolet, chevy, code, fix, idle, jumps, plug, po300, rough, scanner, stop

6 Attachment(s)

2000 Blazer Rough Idle; P0300

(

Multi-page thread

1 2)

bjd15 on 12-27-2009

02-13-2010 09:49 AM
by bjd15

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10

21,258

2nd Generation S-series (1995-2005) Tech

02, 1994, 99, blazer, changed, chevrolet, chevy, code, codes, distributor, fixed, high, p0300, po300, rpm, timing

99 w/P0300 code - yes, another. Timing?

bwhite on 02-02-2010

02-04-2010 08:28 AM
by rriddle3

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2

2,478

Engine & Transmission

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