p0300 - Chevrolet Forum - Chevy Enthusiasts Forums - Threads Tagged with p0300

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Threads Tagged with p0300

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Threads Tagged with p0300

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p0300, rain

P0300 after heavy rain

jhthornley on Mar 5, 2026

Mar 7, 2026 9:17 PM
by AlexMonroe75

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3

257

Angry

0446, 0449, 0452, cam, ckp, distributor, evap, evap control, express 3500, flashing, fueltank pressuresensor, intermittent, low signal voltage, mil, misfire, p0300, p0446, p0451-454, random, redlining overrevving, relearn, retard, solenoid, steady

fix for P0300 random misfire express 3500

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Multi-page thread

1 2 3 ... Last Page)

MitchM on Sep 4, 2021

Dec 14, 2025 5:00 PM
by ecport

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79

74,468

Express, Savana & G-Series Vans

Unhappy

2.2 ecotec, cavalier, p0300, p0420, stalling at stops

Car Randomly Dies but Keeps Driving.

lilnoah on Nov 11, 2024

Sep 1, 2025 3:07 AM
by leann7603

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1

11,609

alternator, cavalier, ecotec, missfire, oil leak, p0300, rough idle

Rough idle and indecisive P0300 code

nighttimedaydreamer on Apr 23, 2024

May 19, 2024 10:38 AM
by nighttimedaydreamer

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6

22,606

catalytic converter, coil, misfire, p0300, spark plug

Intermittent misfire at idle and off idle

binns.mark on Jun 22, 2023

Jun 23, 2023 4:45 PM
by binns.mark

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2

7,539

2014 - 2018 (GMT-K2)

Angry

help with diagnosing, misfire, p0300, traverse, warranty

2016 Chevy Traverse Engine Misfire - Help?

Lundnwt on Feb 12, 2021

Jul 18, 2022 3:37 PM
by timfoley1

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1

10,010

4.3l, can't diagnose, misfire, p0300

HELP!! 4.3L Random Misfire (P0300) - Can NOT diagnose.

jgachev on May 3, 2022

May 3, 2022 9:42 AM
by jgachev

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0

564

p0300, rough idle

rough running after engine switches from open to closed loop

LargestAl on Feb 25, 2022

Feb 28, 2022 6:02 PM
by LargestAl

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2

4,853

Tahoe & Suburban

misfire, p0300, silverado

P0300 code in 5.3

02sh!tboxSilverado on Jul 27, 2021

Jul 29, 2021 1:25 AM
by oilcanhenry

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1

2,134

Silverado, Sierra & Fullsize Pick-ups

Angry

misfire, p0300, traverse, warranty

2016 Chevy Traverse Engine Misfire - Help?

Lundnwt on Feb 12, 2021

Feb 12, 2021 8:14 PM
by Lundnwt

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0

2,678

1999, 2003, 99, cavalier, chevy, code, common, corvette, gm, p0300, po300, suburban, tahoe, trouble, venture

P0300 trouble code

chandlerh2 on Oct 15, 2009

Feb 19, 2020 9:37 AM
by falconbrother

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5

15,498

Tahoe & Suburban

37, 99, bad, chevy, code, exhaust, fuel, misfire, p0300, po300, pressure, regulator, smells, tahoe, throw

P0300 and fuel pressure

mm66 on Jul 6, 2012

Feb 8, 2020 5:05 PM
by mm66

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9

40,931

Tahoe & Suburban

p0300

2002 chevy-suburban 5.3 4wd p0300 Problem Need help

Kamelred408 on Jan 12, 2020

Jan 15, 2020 4:02 PM
by mountainmanjoe

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7

6,759

Tahoe & Suburban

airbag, distributor, intake, p0300, p1345

LOW BUDGET P1345, P0300 Troubleshooting steps

BigTenFour on Jan 9, 2017

Dec 20, 2019 6:36 AM
by Jeezi1990

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1

5,571

1988 - 1998 (GMT400)

check engine, misfire, p0300, rough idle

misfire on cylinder 3 p0300

txjag1023 on Mar 31, 2019

Mar 31, 2019 10:49 PM
by txjag1023

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2

2,101

1999 - 2006 (GMT800)

Exclamation

2004, chevy, ignition, p0300, venture

04 Venture P0300 Code

jjhalverson on Feb 17, 2019

Feb 25, 2019 2:16 PM
by jjhalverson

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2

2,926

p0300, suburban, vortec 5.3

2001 Suburban P0300 code help

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Multi-page thread

1 2)

Andre.servin on Apr 7, 2018

Apr 11, 2018 2:00 PM
by falconbrother

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10

15,505

Tahoe & Suburban

p0171, p0172, p0174, p0200, p0300

Confusing DTC Codes Rich Condition/Lean Condition, Then Vehicle Running Really Bad

Gentlemqn Glen on Dec 9, 2017

Dec 9, 2017 5:12 PM
by Gentlemqn Glen

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6

2,327

Express, Savana & G-Series Vans

43l, blazer, chevy, codes, coil, cruising, engine, highway, issue, maf, p0300, problem, speed, stalls, v6

Stalling issue at cruising speed with 4.3L

Schveb on May 21, 2009

Sep 18, 2017 9:05 PM
by charles lindenschmidt

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3

9,620

1997, 2008, acheat, chevy, fuel, new, p0300, p0405, p1637, pump, stalling, stalls, suburban, tahoe, turned

Suburban Stalling

ahoward3 on Nov 18, 2008

Jun 19, 2017 4:27 PM
by sbrenton

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6

9,626

Tahoe & Suburban

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