Threads Tagged with stumbles

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

Lean at idle

ctmcamaro396 on 11-27-2011

11-28-2011 06:08 AM
by edcmat-l1

5

879

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 10:37 PM
by 98T/A-TREVI

41

17,645

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

Low RPM Stumble

cajunlowrida on 11-09-2011

11-13-2011 07:51 PM
by cajunlowrida

7

3,359

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 11-06-2011

11-06-2011 09:29 AM
by 1963SS

4

2,180

Help troubleshoot problem plz...

LS1TA_956 on 10-29-2011

11-02-2011 07:04 PM
by artic99z28

2

633

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

Stumble start and roaming idle

LarsV8 on 10-16-2011

10-16-2011 05:50 PM
by 95mysticta

1

671

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

Took the stang out for a few passes

(

1 2)

Z284thgen on 09-25-2011

10-16-2011 12:47 PM
by butler

23

2,405

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 09-29-2011

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

3

1,350

Generation III Internal Engine

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

LT1 Turbo Help

moehorsepower on 08-17-2011

08-24-2011 09:41 AM
by moehorsepower

8

785

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 06-18-2011

06-20-2011 02:46 PM
by ZONES89RS

9

1,295

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 05-19-2011

06-16-2011 07:58 PM
by crainholio

14

8,660

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

P0101 Code - MAF Question

Midnight02 on 06-14-2011

06-14-2011 12:26 PM
by LS1-450

3

2,049

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

Carb stumble

(

1 2)

ZONES89RS on 10-12-2010

06-07-2011 04:13 PM
by xpndbl3

36

4,332

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 06-05-2011

06-05-2011 10:02 PM
by Paul Bell

6

2,040

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

Stumbles then falls on face...

RedfoxGTO on 05-02-2011

05-02-2011 08:50 PM
by impulsegoat

2

745

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 04-25-2011

04-26-2011 09:37 PM
by LilJayV10

4

3,223

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

car stumbling while underload

97lt1z28 on 12-29-2010

04-24-2011 08:30 PM
by nitroracer

9

5,419

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 03-20-2011

03-25-2011 03:44 PM
by RagnZ

3

8,578

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 03-15-2011

03-15-2011 08:54 PM
by l 95 Trans Am l

10

3,444

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 03-13-2011

03-13-2011 03:10 PM
by hyperzone

5

5,780

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 03-10-2011

03-11-2011 10:29 PM
by l 95 Trans Am l

12

3,876

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

Stumbling issue

rob69zombie on 01-16-2011

03-09-2011 11:44 PM
by 01ssreda4

18

957

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 09-26-2010

02-09-2011 08:36 PM
by fex77k

31

2,384

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 12-23-2010

12-24-2010 09:38 AM
by Frost

6

2,258

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

Hesitation/Stumble when cold

raisuli81 on 12-01-2010

12-11-2010 03:40 PM
by johns777

10

4,688

New LS1 Owners - Newbie Tech

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

help, engine acting weird

ToxicWS6 on 11-04-2010

11-05-2010 06:36 AM
by BlackScreaminMachine

10

820

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 10-08-2010

10-08-2010 01:22 PM
by gorge

6

6,617

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

Off idle/part throttle stumble

99MUSTANG5.3L on 09-06-2010

09-09-2010 02:39 PM
by 99MUSTANG5.3L

4

1,081

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

High RPM stumble

mean_greenZ on 08-31-2010

09-01-2010 10:15 PM
by mean_greenZ

6

1,051

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

Off-Idle Stumble

hhc11 on 08-09-2010

08-09-2010 08:31 AM
by hhc11

0

937

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

My LT1 Stumbles on accelleration

lccontractors on 06-28-2010

06-28-2010 05:57 PM
by lccontractors

2

1,152

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

Low RPM stumble...driving me nuts!

geeteego on 05-13-2010

05-14-2010 10:09 AM
by geeteego

4

918

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

Exhaust backfire/stumble

greasemonkeysoldier on 04-25-2010

04-25-2010 01:45 PM
by greasemonkeysoldier

0

1,323

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 02-07-2010

04-10-2010 03:08 PM
by garage_queen

42

6,428

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

basic carb'd engine tuning advice

davep_96 on 04-01-2010

04-07-2010 09:00 AM
by 1 FMF

6

2,033

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

TPI engine help.

whytryz28 on 01-30-2010

02-03-2010 08:22 PM
by Wesmanw02

13

1,500

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 01-30-2010

02-03-2010 07:55 PM
by hivoltagedriver

3

2,854

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

BMW M3 w/ LS1 1500rpm stumble?

Speed Demon on 12-23-2009

12-25-2009 02:27 PM
by Armageddon

10

1,089

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

Car stumbles after fill up

PontiacChris on 11-29-2009

12-12-2009 12:50 PM
by myk

8

1,228

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 06-07-2009

10-27-2009 10:39 AM
by Jayh

16

1,226

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 10-16-2009

10-24-2009 11:09 PM
by Ed 2001 SS

8

825

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

edelbrock carb help

violent_celerity on 10-07-2009

10-12-2009 09:34 PM
by violent_celerity

7

1,069

where to start

stormsracing10 on 09-17-2009

09-23-2009 06:10 PM
by stormsracing10

8

489

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 09-15-2009

09-16-2009 12:24 PM
by jimmyblue

11

3,596

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

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

TS6 on 07-30-2009

07-31-2009 09:00 AM
by TS6

5

545

Nitrous Oxide

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

Open loop rpm stumble

jabawalkie on 07-22-2009

07-23-2009 08:21 AM
by Ralls

1

754

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

Engine stumbles during acceleration

garretthes on 07-09-2009

07-10-2009 09:15 AM
by garretthes

8

5,747

Conversions & Swaps

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

stumbling/stuttering at highway speeds

daves94formula on 06-27-2009

06-27-2009 12:35 PM
by daves94formula

0

604

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 06-26-2009

06-26-2009 10:30 PM
by supercharged024

1

826