Threads Tagged with misfire

Generation IV External Engine

7, build, buildup, cylinder, ls, ls1tech, misfire, oil, plug, plugs, porcelain, residue, spark, test, white

What does this spark plug tell you?

bluebyu2 on 12-06-2011

12-08-2011 08:52 AM
by Unertl42

5

3,553

03, carbed, check, fuel, lq4, misfire, misfiring, missfiring, p0300, po300, pressure, random, rebuild, silverado, tuner

LQ4 misfire issues

Jim85IROC on 12-04-2011

12-07-2011 02:02 AM
by stangtrader

1

3,897

1997, 94, camaro, engine, extreme, idle, idles, issue, load, m109r, maf, misfire, optispark, rough, speeds, vacuum, warm, z28

Rough idle

sc.schultz on 11-29-2011

12-04-2011 10:51 AM
by sc.schultz

10

5,684

2000, 53, 53l, 98, chevy, cyl, cylinder, efi, fire, hp, live, misfire, numbering, shows, spark, suburban, tuners

EFIlive Cylinder Numbers???

07MonteCarloSS on 11-30-2011

12-02-2011 08:02 PM
by jimmyblue

3

1,218

98, affect, affects, cylinder, detect, ford, fuel, gen7, ls1, misfire, missfire, o2, oxygen, rich, sensor, tech, trim, windstar

How does O2 respond to misfire?

muncie21 on 11-19-2011

11-28-2011 08:37 PM
by Marky522

4

2,591

1996, 93, backfire, camaro, crossed, egr, idle, knocking, lt1, misfire, misfiring, plug, problems, signs, spark, wire, z28

VID LT1 backfire at idle HELP!!

FocusVince on 11-21-2011

11-22-2011 11:26 PM
by FocusVince

17

7,059

1999, camaro, cat, cold, dielectric, grease, hesitates, low, ls1tech, misfire, misfiring, optispark, p0300, p040, rpm, ss, stumbles

Loss of Power / Misfire

(

1 2 3)

TCW on 02-14-2008

11-21-2011 11:37 PM
by 98T/A-TREVI

41

17,777

Generation IV Internal Engine

2008, bad, engine, grand, gxp, interm, misfire, misfires, miss, missing, piston, pontiac, prix

engine or trans problem

blackimpalass on 11-18-2011

11-20-2011 01:51 PM
by ghetto joe

6

970

LS4 Performance

62l, code, corvette, denali, driven, fix, idle, l92, misfire, miss, p0300, po0102, rough, runs, sierra

Developed a bad missfire L92

bhales on 11-20-2011

11-20-2011 11:52 AM
by bhales

1

3,348

455, cutlass, engine, leaking, misfire, multiple, oil, olds, oldsmobile, pcv, plug, plugs, problems, sheild, spark, valve

Oil in Spark Plug

(

1 2)

tars7 on 08-03-2009

11-19-2011 02:54 PM
by djfury05

37

3,741

1998, 98, 99, camaro, car, code, engine, fire, idle, ls1, ls1tech, mis, misfire, misfires, misfiring, pedal, z28

1998 camaro z28 ls1 misfire?

camaroman98z28 on 11-13-2011

11-15-2011 11:48 PM
by chrysler kid

4

2,062

Generation IV Internal Engine

burnt, down, exhaust, fire, ls1, ls1tech, ls3, mis, misfire, missfire, slow, tech, tr6, valve

misfire help

05gto60 on 04-25-2011

11-14-2011 12:48 AM
by marthastewart

11

897

2001, car, coils, cover, cracked, cylinder, firebird, good, ls1, misfire, plugs, pontiac, test, valve, wires

Missfire (cyl 5) help - check list

JD_AMG on 10-27-2011

11-12-2011 12:42 PM
by JD_AMG

7

938

24, 24x, benefits, conversion, efi, efi24x, lt1, misfire, misfires, ms3, results

Those that are boosted and have done the EFI 24X conversion, I have questions...

CALL911 on 11-11-2011

11-12-2011 11:55 AM
by blown97ss

13

1,055

misfire?

EfSeeThreeEs on 10-17-2011

11-07-2011 10:14 AM
by EfSeeThreeEs

6

5,546

Pontiac GTO 2004-2006

1994, 1994lt1randommisfire, 94, accelerating, check, closed, engine, exceleration, fails, fuel, light, loop, lt1, misfire, missing, pressure, regulator, warmed

94 LT1 developes missfire when warm

goldylocks on 11-03-2011

11-06-2011 12:34 PM
by Zebisko

5

13,197

auto, big, cam, code, hptuners, knock, ls1, ls2, misfire, missfire, sensor, speed, tune, tuned, tuning

Misfire codes common with cam only car with no tune?

lusting4ls1 on 11-05-2011

11-05-2011 05:31 PM
by lusting4ls1

3

1,343

New LS1 Owners - Newbie Tech

06, bad, car, heavy, misfire, misfires, misfiring, missfire, ocassionaly, passat, restart, shut, start, started, startup, throtle, throttle

Occasional bad misfire on startup and after heavy throttle usage

seldomseen72 on 10-10-2011

11-05-2011 02:02 AM
by therimose

9

3,986

454, 96, 98, bank, hard, headers, honda, huger, ls1tech, misfire, o2, random, sensor, start, time, z28

Hard start and random misfire (updated with screen shots and VIDEOS)

6898camaross on 10-20-2011

10-29-2011 02:23 PM
by 96SilverZ

15

1,995

2011, chamber, cleaner, code, combustion, firebird, fuel, ls1tech, misfire, mopar, msds, penetrant, rust, service, wiki

Mopar Combustion Cleaner Picture

TaterSS on 03-10-2011

10-28-2011 02:01 AM
by LS6427

9

8,998

Pontiac Firebird 1967-2002

110, 110lsa, 234238, 3k, 599604, 6010, cam, ls, ls1, lsa, misfire, msd, part, power, throttle

Part throttle misfire? help!

SN-95 on 10-26-2011

10-27-2011 12:51 PM
by SN-95

5

2,975

Carbureted LSX Forum

02, 1998, 1999, clacking, cylender, cylinder, fire, firebird, location, ls1tech, misfire, miss, motor, pontiac, trans

cylinder #3 misfire code.....HELP

meglar on 10-25-2011

10-25-2011 03:12 PM
by justatunedport305

3

1,703

arp, bolts, c5, causing, corvette, cover, fire, ls1, ls1tech, misfire, miss, power, random, sensor, shift, valve

Random Misfire after power shift....ODD

(

1 2)

green96ta on 10-10-2011

10-21-2011 12:07 PM
by nmass399

24

4,560

Generation III External Engine

07, car, code, colorado, ls1, ls1tech, misfire, random, rch, rich, running, runs, starting, trouble

Random misfire code?

1998MysticZ28 on 10-18-2011

10-20-2011 05:14 AM
by Blastin

3

783

04, 36, 6, a4, bogs, code, codes, cts, cyl, cylinder, floor, ls1, misfire, p0306, pontiac, trans

Cylinder 6 Misfire, Coil(s) saying Malfunction

Superbird86 on 10-14-2011

10-18-2011 06:48 PM
by Darkman

10

5,168

250, 383, 396, 900, based, build, camaro, code, cover, good, hp, load, lt1, make, map, misfire, sound, stroker

900hp lt1 build not going so good need help asap!!!

(

1 2 3)

xrambbc on 10-13-2011

10-18-2011 05:24 PM
by 97FormulaWS-6

52

9,143

Cadillac CTS-V 2004-2007 (Gen I)

2005, 2007, 2008, antisieze, cadillac, change, checking, cts, ctsv, misfire, plug, plugs, replace, spark, wires

Spark Plugs Changed this Weekend

Kurlee Daddee on 10-17-2011

10-18-2011 01:38 PM
by serik21

12

10,436

bogging, car, coil, drive, egr, fac, fucked, gasket, intake, loose, lt1, misfire, misfiring, miss, msd, put, random, rotor

Need Veteran LT1 Opinions...

(

1 2 3)

Mississippi on 10-12-2011

10-17-2011 08:43 PM
by Mississippi

51

3,304

08, altima, bank, headers, misfire, open

Misfire after engine re-install, need advice

ncfastls1 on 10-10-2011

10-14-2011 04:56 PM
by ncfastls1

4

531

95, burnt, exhaust, folowed, knock, lt1, misfire, muffler, noise, pop, radmon, random, sound, thumping, valves

lt1 random misfire help

i have a camaro on 10-10-2011

10-13-2011 08:04 PM
by popethe5th

4

3,557

3800, boost, boosted, broken, foul, lean, misfire, performance, plug, plugs, porcelain, raymer, rob, spark, supercharged, unleashed

hellpppp,,,i got a misfire only in boost!

BLINGOLE on 09-14-2011

10-10-2011 06:32 PM
by LS1NOVA

17

10,496

Forced Induction

closed, driver, eclipse, fine, injector, lazy, loop, ls3, lt1, misfire, o2, ran, random, sensor, side, tuned

Random misfire in closed loop only

stupercharged on 10-04-2011

10-09-2011 07:39 PM
by owndjoo

10

10,694

Transmission?

hurley_21_07 on 10-03-2011

10-08-2011 06:26 PM
by hurley_21_07

17

1,030

LS4 Performance

2500, 2500rpm, 60, advance, cruise, cruize, ls1tech, misfire, motor, normal, rpm, silverado, spark

motor breaks up at 2500 rpm at cruise

beertestr on 07-15-2005

10-07-2011 03:17 PM
by matrixiskool

1

1,324

bad, causing, connector, ls1tech, maf, misfire, start, trans

Bad MAF?

BrdOPry on 10-05-2011

10-06-2011 09:55 AM
by BigBirdLS1

3

575

New LS1 Owners - Newbie Tech

2000, accelerate, acceleration, code, engine, firebird, hard, hesitates, hesitation, light, ls1, mis, misfire, random, tach

now having some issues.

00redta88 on 10-04-2011

10-05-2011 01:41 AM
by 00redta88

11

1,202

br7ef, car, caused, dd, idle, ls1, ls1tech, making, misfire, miss, plug, plugs, set, shake, spark

can br7ef plugs making my car shake?

calivette805 on 09-27-2011

09-30-2011 12:36 AM
by calivette805

9

1,228

Nitrous Oxide

350, bounces, bouncin, bouncing, gague, gauge, idle, ls1tech, lt1, misfire, oil, psi, rough, stumble, stumbles, stumbling

Rough idle at times, stumble @4500+, oil gauge bouncing around. Ideas?

Dave88LX on 09-29-2011

09-29-2011 10:05 PM
by 96TransAmboosted

3

1,357

camaro, causing, egr, exhaust, firebird, intake, leak, leaking, ls6, misfire, misfireing, misfires, specs, swap, unplug

misfiring like a mofo!! help?

omarrakeen on 09-18-2011

09-28-2011 07:44 AM
by lsxTAlemy

5

1,017

car, idle, low, ls1tech, misfire, misfiring, missfire

HELP! low idle and misfire

lippies on 09-19-2011

09-27-2011 04:48 PM
by lippies

6

839

pcm misfire

owndjoo on 09-26-2011

09-26-2011 03:19 PM
by owndjoo

0

350

General LSX Automobile Discussion

98, aeroforce, camaro, check, cylinder, fire, ls1tech, misfire, misfires, misfiring, miss, piston, pontiac, tools, trans

how to check for cylinder misfire??

lippies on 09-26-2011

09-26-2011 02:26 PM
by lippies

6

1,487

backfiring, camaro, car, causing, debaffle, debaffled, dyno, heavy, hood, ls1, ls1tech, misfire, rain, ss, water

Misfire in heavy rain Procharged with debaffled hood

ramairetransam on 09-07-2011

09-22-2011 12:10 PM
by ramairetransam

19

1,979

Forced Induction

18, 2011, 50, 53, cam, check, idle, liter, misfire, misfires, ms3, passat, random, sencor, tables, tps, valve

Random misfires at idle, all cylinders

thunderstruck507 on 09-09-2011

09-15-2011 05:15 PM
by joecar

14

15,058

accident, airflow, buying, car, clean, cleaned, cleaning, good, ls1tech, maf, mass, misfire, misfires, misfiring, shift

Still slight misfire after cleaning maf

ramairetransam on 09-13-2011

09-14-2011 07:32 AM
by ramairetransam

1

909

95, arking, backfire, coil, dies, engine, ground, lt1, misfire, replaced, restart, strap, wire, worming, z28

LT1 Help needed

(

1 2)

410strokerss on 08-15-2011

09-07-2011 10:21 AM
by brettmc

23

1,828

camaro, cod, crank, crankshaft, ls1, ls1tech, misfire, misfires, pontiac, pulley, pulleys, slipping, wobble, wobbling, wobbly

Wobbly crank pulley cause misfire?

6898camaross on 09-02-2011

09-05-2011 11:51 PM
by 6898camaross

4

2,539

283, 350, buick, causing, engine, gear, grand, lt1, misfire, misfires, misfiring, motor, national, symptoms, tick, windstar

Llifter tick and misfire on 4/6/8 only in gear..any ideas?

camaro75racer on 09-01-2011

09-01-2011 09:56 PM
by Darkman

4

1,473