Threads Tagged with misfires

96, c4, code, codes, corvette, engine, lt1, misfire, misfires, misfiring, missfire, p0300, po300, random, trouble

'96 LT1 DTC P0300 Random Misfire Quagmire

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tlong on Feb 26, 2011

May 9, 2022 12:54 AM
by Piot

22

25,161

1968, 1985, 351c, c4, corvette, cylinder, engine, fire, misfire, misfires, miss, missfireing, start, zr1

misfire on one cylinder

TomsZR1 on Aug 17, 2008

Aug 20, 2020 12:22 PM
by CDC_90ZR1_London

17

4,887

C4 ZR-1 Discussion

affect, bad, battery, car, causing, engine, high, higher, ignition, misfire, misfires, misfiring, rpm, rpms, switch, weak, weakbatterycylinder

Can an old / weak battery cause misfire at high RPM??

BradSW on May 11, 2009

Apr 28, 2020 08:28 PM
by 5.yee

11

17,650

2006, 2010, 25, c5, chevrolet, corvette, cyclinder, cylinder, engine, fbody, misfire, misfires, mph, p0305, z06

P0305 Cylinder 5 Engine Misfire

jonjon on Nov 23, 2007

Mar 24, 2019 10:34 PM
by Sal Gomez

5

5,996

C6 Tech/Performance

2008, airaid, c6, cam, corvette, hp, hunting, idle, ls3, ls376, maf, misfires, rolling, surging, table, tune, tuners

485rwhp Cam'd LS3 tune help (surging)

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JayplaySS2 on Dec 19, 2009

Jun 2, 2014 07:43 PM
by movado750

25

20,986

C6 Tech/Performance

1974, bounces, corvette, dies, low, lt1, misfires, resolution, shuts, signal, spark, starts, tach, warm, warms

'92 LT1 gets warm...then dies

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Tom400CFI on Mar 15, 2012

Apr 26, 2012 10:26 PM
by 93Rubie

48

29,597

2012, bad, build, c6, corvette, fresh, idle, low, ls3, misfires, poor, rich, rough, running, runs

LS3 Running Rich, Rough Idle??

2008LS3 on Apr 5, 2012

Apr 6, 2012 09:35 PM
by Tampa Tuning

1

2,852

C6 Scan & Tune

1995, 32, code, corvette, eldorado, intech, misfires, multiple, po23, rough, running, valve

need help with rough running northstsar

91vettezr1 on Jan 27, 2012

Jan 30, 2012 09:53 PM
by carter200

12

1,017

C4 ZR-1 Discussion

2000, air, band, c3, car, coasting, corvette, cylinder, idle, lean, ls1, misfire, misfires, p0300, power, running, unmetered

Need help with car running lean when coasting

FLYNAVY30 on Jan 16, 2012

Jan 17, 2012 11:10 PM
by lionelhutz

19

8,574

back, corvette, ground, head, misfire, misfires, tuning

Odd misfire problem...

Rich Z on Nov 24, 2011

Dec 27, 2011 03:59 PM
by seebobgo

7

1,386

C5 Scan & Tune

2006, accel, acceleration, acceration, c5, c6, car, check, corvette, engine, hard, heavy, misfire, misfires, misfiring

[Z06]

Misfires on hard acceleration.

zo6landrocket on Dec 13, 2011

Dec 14, 2011 01:39 PM
by 50 4Ever

6

3,535

1995, 1996, 4, code, corvette, cylinder, fireing, lt1, misfire, misfires, miss, multi, multiple, optispark, p0300, random

96 Vette LT1 Multi Misfire

Doggie Dawg on Jun 2, 2011

Dec 2, 2011 04:58 PM
by CAmaninacan

7

5,449

c5, chevrolet, closed, cold, conditions, corvette, driving, due, fuel, honda, loop, misfire, misfires, open, start, switch

When does the computer switch from closed loop to Open ?

TheRadioFlyer on Nov 10, 2011

Nov 11, 2011 03:46 PM
by mathia

10

20,851

2006, 6000, car, corvette, crossfire, end, loses, misfire, misfires, misfiring, mustang, rpms, tach, top, wot

car misfires on the top end, any ideas?

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zx1216 on Sep 28, 2011

Oct 27, 2011 07:12 AM
by 1fastbob

40

8,036

C6 Tech/Performance

1992, 1996, 96, causing, corvette, engine, fires, forum, lt1, misfire, misfires, miss, missfire, seal, start, valve

Lt1 misfire big issue

CAmaninacan on Oct 24, 2011

Oct 24, 2011 08:50 PM
by bjm206

1

2,991

back, ballast, box, crack, firing, hills, install, misfire, misfires, miss, open, resistor, throttle, wide, wot

WOT misfire...could it have been that simple?

wow on Oct 11, 2011

Oct 11, 2011 09:22 PM
by AZDoug

7

1,353

C1 & C2 Corvettes

82, code, corvette, drive, inconsistent, load, ls1, lt1, misfire, misfires, reader, sale, shuddering, throttle, wot

LS1 misfire on hot day/ under load

99Metallic on Sep 2, 2011

Sep 2, 2011 10:50 AM
by lucky131969

9

12,504

1994, 94, back, backfire, backfires, c4, codes, corvette, fire, hot, intermitent, intermittent, left, misfire, misfires, restart, side

C4-- Misfire, occasional backfire- Ideas?

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helphos on Jun 12, 2011

Aug 7, 2011 10:21 AM
by helphos

23

16,456

1000, 91, adding, car, causing, code, corvette, foam, gas, misfire, misfires, rpm, sea, seafoam, seamfoam, tank

help pleas seafoam misfire

imdaking06 on Jul 12, 2011

Jul 13, 2011 11:14 AM
by RetiredSFC 97

7

1,382

1994, 350, c4, corvette, engine, lt1, misfire, misfires, ohv, reacts, tune, tuneup, wot

Did a tuneup, now it misfires (94 OHV)

keepinitoldskool on Jul 2, 2011

Jul 3, 2011 04:06 PM
by djxib

8

1,475

92, corvette, gear, misfires, passing, spark, warm, weak

92 problem

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bbdude454 on Mar 4, 2011

Mar 19, 2011 01:14 PM
by richauto

20

2,293

black, blowing, c5, corvette, engine, good, misfire, misfires, misfiring, missfire, smoke, smokes

Engine misfire, black smoke, all the good stuff

JKennedy1612 on Feb 13, 2011

Feb 14, 2011 03:05 PM
by redrckt97

6

2,448

acceleration, c5, car, code, corvette, heavy, high, hp, load, low, misfire, misfires, miss, rpm, tuners, warmed

Continuing issue with misfire under heavy load after the car has warmed up

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Dope on Apr 25, 2007

Oct 23, 2010 07:33 PM
by TN Vette

86

13,496

1994, 2002, code, corvette, engine, ls1, misfire, misfires, multiple, ses, z06

Multiple misfire

alanmtz on Oct 17, 2010

Oct 18, 2010 09:25 AM
by dgrant3830

7

1,816

c5, cel, corvette, decelerating, misfires

Strange Misfire, Any Suggestions?

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BlackHardTop on Sep 25, 2009

Oct 10, 2010 04:26 PM
by Chuck CoW

28

1,831

25, 327, 64, corvette, dwell, engine, full, misfire, misfires, missfiring, motor, mph, points, throttle, vette

Need help with engine misfire on '64

corvette dave on Jul 18, 2010

Jul 20, 2010 04:04 AM
by ghostrider20

10

1,482

C1 & C2 Corvettes

bad, c4, cold, control, corvette, icm, idle, ignition, load, lt1, misfire, misfires, misfiring, missfiring, module, skip

LT1 Misfiring - again

jmgtp on Jun 18, 2010

Jun 23, 2010 09:56 PM
by chileverde

9

8,180

1984, 1990, 2003, codes, corvette, firing, mis, misfire, misfires, misfiring

Misfire= No Gap!

89Corvette6spdFX3 on May 26, 2010

May 26, 2010 04:45 PM
by 89Corvette6spdFX3

3

949

bad, c5, code, codes, corvette, dist, flashes, gear, light, ls1, mil, misfire, misfires, po300, random

random misfires code po300 help

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siransalot on Apr 18, 2010

Apr 19, 2010 06:57 AM
by dougbfresh

23

2,614

When it Rains...

Jimbeaux on Feb 14, 2010

Feb 15, 2010 03:20 PM
by Jimbeaux

4

573

Southern California

92, 95, big, car, corvette, died, drove, lt1, misfire, misfires, misfiring, puddle, silverado, throught, water

HELP !!!!!drove through a puddle now the cars misfiring

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Shawnksf on Jan 19, 2010

Feb 9, 2010 10:28 AM
by Mouse2112

22

2,019

7, c4, c5, c6, corvette, current, cylinder, cylinders, hp, hptuners, misfire, misfires, missing, order, scan, tuner

Misfire current cylinder ?? two on # 7

vettezeke on Oct 21, 2009

Oct 21, 2009 11:39 AM
by tblu92

1

1,701

C5 Scan & Tune

1995, 2000, bad, high, l98, light, load, low, lt1, misfire, misfires, missing, rpm, runs, warmed

LT1: High Load at Low RPM = Misfire?

jmgtp on Aug 31, 2009

Sep 1, 2009 01:04 PM
by Jonnymac

10

9,288

2005, 89, bolt, corvette, dropped, fuel, hole, injector, injectors, misfire, misfires, misfiring, missfire, plug, torx

Seems like misfiring...checked injectors???

dboldt on Aug 8, 2009

Aug 11, 2009 08:33 AM
by WW7

17

1,082

67, 84, 95, backordered, corvette, delteq, dynaspark, gen, hot, ignition, iii, installation, misfire, misfires, missfireing, pictures

misfire-popping

96redvette on Jul 28, 2009

Aug 6, 2009 11:19 PM
by 96redvette

19

1,489

c4, c5, c6, car, cleaning, corvette, engine, forum, great, idle, injector, low, misfires, miss, misses, run, small

Noticable miss at idle

Luise on Jul 18, 2009

Jul 19, 2009 02:30 AM
by Luise

2

815

C5 Scan & Tune

Misfire out exhaust and carb ?

JOs71Corvette on Jun 12, 2009

Jun 20, 2009 12:46 AM
by JOs71Corvette

6

833

C3 Tech/Performance

c5, corvette, fire, idle, idling, low, misfire, misfires, miss, rough, speed

Rough Idle and seems to misfire...Help!

wingnut037 on Apr 14, 2009

Apr 15, 2009 10:07 PM
by wingnut037

4

2,051

Strange 'surging'/misfire? problem after replacing plugs & more

StealthLT4 on Mar 29, 2009

Apr 2, 2009 04:34 PM
by StealthLT4

9

500

160, changed, engine, idle, misfires, missing, thermostat

[Z06]

changed thermostat now engine is missing

trickability on Mar 20, 2009

Mar 20, 2009 01:36 PM
by Oli1313

5

516

acceleration, backfire, backfiring, code, cold, idle, low, ls1, misfire, misfires, multiple, random, rich, rough, start

Rough Idle, Backfiring, Lean code, and Multiple/Random Misfire code.

VinnyVette on Aug 31, 2008

Sep 5, 2008 01:34 PM
by mowton

5

5,084

2004, 2008, active, c6, corvette, engine, fire, fix, misfire, misfires, misfiring, miss, missfire, z06, zo6

[Z06]

Active engine misfire?

2008corvette on Sep 1, 2008

Sep 1, 2008 11:44 PM
by 2008corvette

7

912

2008, c6, configure, corvette, hp, maf, misfires, pid, tuners, tuning

MAF tuning - Try some help over here on misfires

ktoonsez on Aug 7, 2008

Aug 23, 2008 01:52 PM
by BBA

11

937

C6 Scan & Tune

1973, 1990, 95, c4, corvette, hot, misfires, restartno, start, starting, turns, warm

will not start warm

looney1316 on Aug 3, 2008

Aug 17, 2008 07:01 AM
by looney1316

16

1,060

2500, c5, coil, coils, corvette, gmc, hd, load, misfire, misfires, missfire, msd, relocated, relocation, wires

FI + Relocated coils + MSD wires = misfires?

blu00rdstr on Jul 30, 2008

Aug 1, 2008 12:13 AM
by blu00rdstr

16

1,976

92, c4, c5, corvette, engije, engine, misfires, pressure, problemscorvette, tips, wash, washed, washing

Pressure wash engine ??

QUICKSLVR on Jun 19, 2008

Jun 20, 2008 04:00 PM
by QUICKSLVR

9

1,462

C6 Corvette General Discussion

cold, corvette, examined, idle, low, ls3, misfire, misfires, missfire, random, vette

LS3 Missfire At Idle

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Cherokeedoc on Apr 16, 2008

May 7, 2008 12:15 PM
by Frankie2blue

29

9,913

ac, c5, c6, corvette, fine, fire, idle, idling, initial, misfire, misfires, miss, mustang, runs, slight

slight misfire at idle

beefcake on Feb 3, 2008

Feb 10, 2008 02:42 PM
by BlackZ06

11

4,841

, c5, corvette, cylinder, driving, ls1, misfire, misfires, multiple, p0300, pops

Need help, P0300 multiple cylinder misfires code

pfcvo on Sep 9, 2007

Sep 9, 2007 02:50 PM
by pfcvo

3

776

bad, c5, car, corvette, firing, misfire, misfires, misfiring, miss, start, strt, wont

Bad misfire, now car won't start, heeeelp!!

LightningMcSteve on Jul 2, 2007

Jul 2, 2007 11:32 AM
by LightningMcSteve

2

1,254

2004, bank, corvette, hard, hei, misfire, misfires, throttle

New combo's WOT misfire problem.....still :(

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rel3rd on Apr 6, 2007

Apr 15, 2007 07:47 PM
by sami85L98

85

6,160

171, 174, 1996, 2002, c5, check, code, corvette, engine, ls1, misfires, po, po171, po174, tahoe

Codes PO171 & PO174

eelstx on Jan 24, 2007

Jan 24, 2007 09:58 PM
by eelstx

2

1,542

Found misfire on Z06 finally

z06inVB on Sep 19, 2006

Oct 15, 2006 08:49 PM
by Joe_G

1

999

1973, 5500rpm, 6al, box, corvette, high, ignition, load, misfire, misfires, misfiring, miss, msd, rpm, rpms

What could cause high RPM misfire?

GrandSportC3 on Jul 6, 2006

Jul 6, 2006 10:06 PM
by GrandSportC3

15

33,406

C3 Tech/Performance

1984, c4, corvette, heavy, misfire, misfires, motor, traaffic

C4 Misfire

ukpete on Jun 23, 2006

Jun 26, 2006 01:59 PM
by Nico

3

1,227

2000, bad, batterie, battery, car, caused, causing, engine, impala, low, misfire, misfires, msd, short, symptoms

Bad battery causing misfire?

Roonie on May 17, 2006

May 18, 2006 04:08 PM
by Roonie

6

22,095

Help with misfire

69ttop502 on Mar 27, 2006

Mar 27, 2006 08:01 PM
by 69ttop502

5

587

C1 & C2 Corvettes

05, 2005, c5, c6, corvette, driving, engine, idle, misfire, misfires, misfiring, normal, rain, skip, started, z06

[Z06]

Engine misfire at idle (normal or not???)

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Z Fast on Feb 4, 2006

Feb 7, 2006 11:48 AM
by Futfixr

28

3,952

c5, corvette, force, installing, load, mercury, message, misfire, misfires, misfiring, missfires, motor, multiple, plugs, random, wires

Help, Random, Multiple Misfires after New Plugs

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CAPTKEN28 on Nov 23, 2005

Nov 23, 2005 11:20 PM
by RPOZ4Z

20

1,151

2002, c5, engine, harness, idle, injectors, misfire, misfires, p0200, p0300, plugs, raptor, replaced, vette, yamaha

replace parts still misfiring?

bayarea on Sep 27, 2005

Sep 28, 2005 12:52 PM
by bayarea

13

1,056

arching, arcing, coil, misfire, misfires, problems, terminals

New problem... Arching between coil. Main cause of my misfire problems. Help!!

kopbet89c4 on Jun 26, 2005

Jun 27, 2005 08:14 AM
by ski_dwn_it

4

689

c4, cherokee, corvette, diagnosing, hig, high, misfire, misfires, pops, rpm, rpms, stumble

Diagnosing Pop misfire and stumble at high rpm

Bradley1 on Jun 5, 2005

Jun 5, 2005 07:10 PM
by Bradley1

0

610

c3, corvette, cruising, cruze, fuel, highway, icm, idle, l98, light, load, ls1, misfire, misfires, pump, timing

Advice please...L98 misfire at highway cruise

nel on May 27, 2005

May 31, 2005 08:57 PM
by Thatthingsscary!

13

2,082

02, 2002, 2004, 6000, c5, control, corvette, engine, high, hook, misfires, rpm, rpms, scan, shut, shuts, tool, traction, vette, zo6

[Z06]

2002 Z06 engine shuts off on drag strip run

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soblad on Jan 5, 2005

Jan 8, 2005 01:24 PM
by GeorgeZNJ

36

1,888

C5 General

Lots of misfires and LTFTs are pegged at 25% after valve spring swap -- HELP!

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1 2)

Tony @ MPH on Feb 28, 2004

Nov 28, 2004 03:23 PM
by hightest

35

1,898

1996, 96, balance, check, corvette, diagnosing, engine, engines, grandsport, light, lt4, misfire, misfires, po303, random, test

LT4 check engine light blues

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pettsir on Oct 30, 2004

Nov 7, 2004 09:46 PM
by TravisD

22

2,328

1984, 1996, c4, corvette, engine, idle, l98, low, misfire, misfires, normal, pulse, speed, width

Lean Misfire or??

Old182A on Aug 17, 2004

Aug 18, 2004 08:27 PM
by DOCTOR J

4

1,584

92, corvette, detect, i, misfire, misfires, misfiring, obd, obdi

Can I detect a misfire with OBD-I??

HammerDown on Feb 10, 2004

Feb 10, 2004 04:59 PM
by HammerDown

9

903

1984, corvette, low, misfires, multiple, spark, tuning

Please HELP car multiple misfire code down low......

buell_freak on Nov 21, 2003

Nov 24, 2003 10:07 AM
by buell_freak

3

594