Threads Tagged with stumbles

efi, efilive, emissions, hptuners, idle, issues, lean, leaning, live, ls1, ls1tech, lt1, stumbles, timing, wideband

Lean at idle

ctmcamaro396 on Nov 27, 2011

Nov 28, 2011 06:08 AM
by edcmat-l1

5

938

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 Feb 14, 2008

Nov 21, 2011 10:37 PM
by 98T/A-TREVI

41

18,592

2k, 45mph, 95, bog, bogs, car, down, lag, low, lowet, ls1tech, lt1, rpm, rpms, stumble, stumbles

Low RPM Stumble

cajunlowrida on Nov 9, 2011

Nov 13, 2011 07:51 PM
by cajunlowrida

7

3,445

1993, 93, check, engine, fan, home, indication, limp, limphome, lt1, mode, onoff, overhauled, ses, stay, stumbles, z28

93 z28 limp home mode, stuck ses light

thunderkingben on Nov 6, 2011

Nov 6, 2011 09:29 AM
by 1963SS

4

2,421

Help troubleshoot problem plz...

LS1TA_956 on Oct 29, 2011

Nov 2, 2011 07:04 PM
by artic99z28

2

768

01, 1995, camaro, cobra, idle, roaming, sbc, start, stumbles, tbs, z28

Stumble start and roaming idle

LarsV8 on Oct 16, 2011

Oct 16, 2011 05:50 PM
by 95mysticta

1

737

1989, 60, conversion, coupe, idle, lsx, ly6, mustang, stumbles

Took the stang out for a few passes

(

1 2)

Z284thgen on Sep 25, 2011

Oct 16, 2011 12:47 PM
by butler

23

2,541

Carbureted LSX Forum

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 Sep 29, 2011

Sep 29, 2011 09:05 PM
by 96TransAmboosted

3

1,454

Generation III Internal Engine

boost, hits, lt1, refrance, stumbles, turbo, wall

LT1 Turbo Help

moehorsepower on Aug 17, 2011

Aug 24, 2011 09:41 AM
by moehorsepower

8

841

Forced Induction

350, 50cc, air, bleeds, bogs, camaro, demon, dog, gas, jetting, line, mighty, sbc, smash, stumble, stumbles, why

dog off the line

MTC_75vette on Jun 18, 2011

Jun 20, 2011 02:46 PM
by ZONES89RS

9

1,353

Carbureted LSX Forum

add, backfires, backfiring, car, fuel, gear, ls1, ls3, map, misfire, realy, rich, running, runs, stumbles

Car stumbling, running rich and backfiring?

VetteRedLS6Z28 on May 19, 2011

Jun 16, 2011 07:58 PM
by crainholio

14

9,501

car, code, conditions, corvette, install, issues, low, maf, p0101, po101, resistor, rpm, stumbles, tuning, wet

P0101 Code - MAF Question

Midnight02 on Jun 14, 2011

Jun 14, 2011 12:26 PM
by LS1-450

3

2,132

carb, carburater, carburetor, coming, corner, hit, initial, jet, jets, lean, proform, quickfuel, squaring, stumble, stumbles, turbo

Carb stumble

(

1 2)

ZONES89RS on Oct 12, 2010

Jun 7, 2011 04:13 PM
by xpndbl3

36

4,744

Carbureted LSX Forum

1500, 1994, 3100, 94, 96, camaro, chevrolet, dodge, engine, heat, misfire, misfires, misfiring, overdrive, ram, soak, stumbles, z28, zr1

For the love of God, Please help with misfire, stumble problem

94sleeperZ on Jun 5, 2011

Jun 5, 2011 10:02 PM
by Paul Bell

6

2,113

04, 2004, check, engine, gto, light, slightly, ss, stumbles, stumbling, trailblazer

Stumbles then falls on face...

RedfoxGTO on May 2, 2011

May 2, 2011 08:50 PM
by impulsegoat

2

837

Pontiac GTO 2004-2006

383, 95, changing, chevy, chip, computer, fuel, idle, injected, modifications, problems, stroier, stroker, stumbles, tbi, truck

383 stroker bad idle when cold...

Earnhardt on Apr 25, 2011

Apr 26, 2011 09:37 PM
by LilJayV10

4

3,770

3800, acceleration, arcing, camaro, car, clutch, engine, fine, gear, load, ls1, lt1, revs, stumble, stumbles, stumbling

car stumbling while underload

97lt1z28 on Dec 29, 2010

Apr 24, 2011 08:30 PM
by nitroracer

9

5,753

acceleration, car, ds, fine, grounds, hard, head, idle, load, loses, ls1, popping, power, rpms, studders, stumbles, thousand, works

popping and stumbling at part throttle under load

RagnZ on Mar 20, 2011

Mar 25, 2011 03:44 PM
by RagnZ

3

9,232

95, car, check, cleaning, deep, engine, idels, light, maf, relay, shut, stumbles, trans, water, weird, wet

Could the engine sucking moisture through the MAF cause this?

l 95 Trans Am l on Mar 15, 2011

Mar 15, 2011 08:54 PM
by l 95 Trans Am l

10

4,066

3000, cylinder, good, high, idle, knock, load, loading, lt1, ltcc, misfire, misfires, power, retard, rough, speed, stumbles

97 LT1 is stumbling/misfiring/detonating in a load condition

hyperzone on Mar 13, 2011

Mar 13, 2011 03:10 PM
by hyperzone

5

6,126

1993, 93, 95, downs, firebird, lt1, miss, misses, rain, run, stalls, startup, stumbles, trans, z28

Seems that rain and LT1's don't mix.

l 95 Trans Am l on Mar 10, 2011

Mar 11, 2011 10:29 PM
by l 95 Trans Am l

12

4,101

2000, 2003, chevy, corvette, idol, problem, silverado, ss, stumbles, stumbling

Stumbling issue

rob69zombie on Jan 16, 2011

Mar 9, 2011 11:44 PM
by 01ssreda4

18

1,019

3500, 383, 396, bbc, build, cap, delfhi, dist, forged, high, ignition, lt1, opti, rpm, rpms, stumbles

Help Please, High RPM Ignition on Built 383 LT

(

1 2)

MavsFORMULA on Sep 26, 2010

Feb 9, 2011 08:36 PM
by fex77k

31

2,588

car, chevy, coming, decelerating, drop, dropping, drops, ls1tech, recovers, slowing, stop, stopping, stumbles, voltage, volts

No codes but car stumbles, voltage drops when slowing down

Jemo on Dec 23, 2010

Dec 24, 2010 09:38 AM
by Frost

6

2,342

2344087, car, cold, denso, engine, hesitates, hesitation, hesitationstumble, ls1, ls1tech, seconds, sensor, stumble, stumbles, suffering

Hesitation/Stumble when cold

raisuli81 on Dec 1, 2010

Dec 11, 2010 03:40 PM
by johns777

10

5,071

New LS1 Owners - Newbie Tech

2000, acts, avalanche, chevy, crank, ls1, rpm, stumbles, weird

help, engine acting weird

ToxicWS6 on Nov 4, 2010

Nov 5, 2010 06:36 AM
by BlackScreaminMachine

10

886

1995, blaster, flow, gap, heads, hot, idle, misfire, motor, ngk, plugs, slight, stumble, stumbles, trick

Engine has a slight stumble @ idle and right off...is it a misfire?

License2Ill on Oct 8, 2010

Oct 8, 2010 01:22 PM
by gorge

6

6,868

03, 06, 53, aveo, big, constant, hp, idle, offidle, part, stuff, stumble, stumbles, throttle, tuners

Off idle/part throttle stumble

99MUSTANG5.3L on Sep 6, 2010

Sep 9, 2010 02:39 PM
by 99MUSTANG5.3L

4

1,167

4000, 5000, bbc, cc503, engine, hemi, high, issue, ls1, lt1, rpm, rpms, stumble, stumbles, stumbling

High RPM stumble

mean_greenZ on Aug 31, 2010

Sep 1, 2010 10:15 PM
by mean_greenZ

6

1,126

750, carb, ct525, curve, e85, fuel, hesitation, holley, idle, ls1, qf750, quick, stumble, stumbles, tech, timeing

Off-Idle Stumble

hhc11 on Aug 9, 2010

Aug 9, 2010 08:31 AM
by hhc11

0

969

1997, accel, acceleration, load, lt1, lt1stumbleonacceleration, lt4, stumble, stumbles, trans

My LT1 Stumbles on accelleration

lccontractors on Jun 28, 2010

Jun 28, 2010 05:57 PM
by lccontractors

2

1,220

04, engine, gto, low, ls1tech, rpm, stumble, stumbles, stumbling

Low RPM stumble...driving me nuts!

geeteego on May 13, 2010

May 14, 2010 10:09 AM
by geeteego

4

1,010

accelerating, acceleration, back, backfire, backfires, car, engine, exhaust, fire, header, ls1, ls3, occasionally, open, stumbles, stumbling

Exhaust backfire/stumble

greasemonkeysoldier on Apr 25, 2010

Apr 25, 2010 01:45 PM
by greasemonkeysoldier

0

1,413

34, accel, backfires, bad, firebird, full, hard, hesitates, injectors, lt1, problems, stumble, stumbles, throttle, tune, wot

Bad stumble on accel....Runs great @ WOT

(

1 2 3)

garage_queen on Feb 7, 2010

Apr 10, 2010 03:08 PM
by garage_queen

42

6,885

10psi, 750, bbc, carb, carburetor, edelbrock, engine, fuel, holley, low, pressure, rebuilt, stumbles, timing, tuning

basic carb'd engine tuning advice

davep_96 on Apr 1, 2010

Apr 7, 2010 09:00 AM
by 1 FMF

6

2,121

1998, 87, chain, chevy, engine, face, falls, misses, motor, pontiac, running, stay, stumbles, timing, tpi, trans, wont

TPI engine help.

whytryz28 on Jan 30, 2010

Feb 3, 2010 08:22 PM
by Wesmanw02

13

1,575

Generation IV External Engine

2005, acceleration, bog, car, cold, hesitates, idle, ls1, ls2, moorseville, nc, nick, startup, stubles, stumbles, warmed, williams

LS2 stumbles/hesitates only when COLD.

stripes on Jan 30, 2010

Feb 3, 2010 07:55 PM
by hivoltagedriver

3

3,128

1500, 98, basics, bmw, conversion, decell, ls1, ls3, m3, pcm, rpm, stumble, stumbles, stumbling, tuning

BMW M3 w/ LS1 1500rpm stumble?

Speed Demon on Dec 23, 2009

Dec 25, 2009 02:27 PM
by Armageddon

10

1,200

car, crank, fill, filling, fillup, hard, ls1tech, open, purge, solenoid, start, startup, stuck, stumbles, wont

Car stumbles after fill up

PontiacChris on Nov 29, 2009

Dec 12, 2009 12:50 PM
by myk

8

1,296

2002, batter, camaro, car, crack, headers, low, pudders, rpm, rpms, stubling, stumbles, stumbling, weak, z06

Car is Stumbling at low rpm, seems like 4cyl, Help !!

3800RS on Jun 7, 2009

Oct 27, 2009 10:39 AM
by Jayh

16

1,317

2001, 2002, 70, car, dies, drives, fine, ls1, miles, motor, mph, running, stumbles, tachometer, wot

2001 LS1 Stumbles and dies. Ideas?

Ed 2001 SS on Oct 16, 2009

Oct 24, 2009 11:09 PM
by Ed 2001 SS

8

915

383, 600, accelerating, accelerator, barrel, carb, carbs, cfm, edelbrock, edlebrock, fix, floats, leaking, pump, sm465, stuck, stumbles

edelbrock carb help

violent_celerity on Oct 7, 2009

Oct 12, 2009 09:34 PM
by violent_celerity

7

1,150

where to start

stormsracing10 on Sep 17, 2009

Sep 23, 2009 06:10 PM
by stormsracing10

8

530

car, clog, clogged, engine, fill, filling, fillup, filter, fuel, gas, grinds, idle, idles, low, start, stumbles

after filling up car stumbles for a few miles?

jimmyducati on Sep 15, 2009

Sep 16, 2009 12:24 PM
by jimmyblue

11

4,033

121, 383, 408, ford, good, motor, ngk, nitrous, plug, stumbles, tr6, ts6, vortec

Run TR6's on motor vs. 8's?

TS6 on Jul 30, 2009

Jul 31, 2009 09:00 AM
by TS6

5

637

Nitrous Oxide

closed, loop, ls1techopenloopstumble, lt1, open, rpm, stumbles

Open loop rpm stumble

jabawalkie on Jul 22, 2009

Jul 23, 2009 08:21 AM
by Ralls

1

811

1999, 2000, 53, acceleration, bogging, chevy, cold, engine, firebird, hard, ls1, silverado, stumble, stumbles, wot

Engine stumbles during acceleration

garretthes on Jul 9, 2009

Jul 10, 2009 09:15 AM
by garretthes

8

6,658

Conversions & Swaps

94, car, downshifting, highway, ls1, lt1, sbc, speed, speeds, sputters, stumbles, stumbling, stuttering, stutters

stumbling/stuttering at highway speeds

daves94formula on Jun 27, 2009

Jun 27, 2009 12:35 PM
by daves94formula

0

641

3800, accelerating, driving, intermittent, olds, pontiac, random, restarts, signs, slowing, stall, stalling, stalls, stop, stops, stumbles, troubleshooting

Help me solve my 3800 stalling issue.

RaNsOm on Jun 26, 2009

Jun 26, 2009 10:30 PM
by supercharged024

1

940