Threads Tagged with stumbles

1200, 1994, 2000, 96, corvette, loss, low, lt1, power, rpm, speed, stumble, stumbles, time, warm

96 LT1 Stumbles @ low RPM

top-trader-1 on 04-03-2010

08-25-2021 01:19 AM
by DKlettke

12

5,573

1984, aand, back, backfires, backfireswhen, car, corvette, dont, driving, fires, lt1, misses, runs, stumbles, warm, warmed, warming

Stumbles, Pops and backfires if she isnt warmed up for 1 min after start

zjiejun on 10-21-2007

08-16-2018 10:56 PM
by aklim

17

1,848

1990, 1996, 96, bogs, cold, corvette, iac, idle, impala, l98, l98missingenginegroundstrap, ss, stumble, stumbles, throttle

90 L98 - Cold Stumble, less responsive

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1 2)

Dale1990 on 07-26-2004

09-04-2014 06:33 PM
by barrypaul2005

28

5,779

bog, c5, car, cold, corvette, light, low, maf, rmp, rpm, rpms, stumbles, stumbling, throttle

Stumbling in low RPM’s at light throttle

samotlietuvis on 06-07-2011

03-20-2013 06:17 AM
by jmagilto

8

9,892

C6 Tech/Performance

car, changed, corvette, cruising, driving, engine, idle, ignition, lt1, missing, opti, optispark, stumbles, surges, surging, warm

At idle; Engine stumbles and surges after warmup!

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1 2 3)

AZBlackC4 on 01-09-2012

07-22-2012 09:15 PM
by AZBlackC4

40

22,317

2002 corvette stumbles

tdlong98 on 04-13-2012

04-14-2012 10:19 PM
by tdlong98

15

1,831

afb, drag, idle, off, strip, stumble, stumbles, z06

off idle stumble - AFB

mrg on 03-25-2012

04-01-2012 07:16 PM
by Fawndeuce

18

4,011

acceleration, bad, c3, car, corvette, hesitation, idel, idle, slight, stumble, stumbles

Stumble on acceleration during open loop

bkinser on 03-28-2012

03-31-2012 02:38 PM
by bkinser

3

2,650

84, c3, c5, c6, corvette, engine, intermittant, knock, ls1, start, starter, startup, stumble, stumbles, stumbling, swap, switch

odd intermittent stumble on startup

airbrush1 on 03-25-2012

03-26-2012 01:30 PM
by airbrush1

7

2,226

1985, 85, backfires, chockes, clean, corvete, corvette, missing, motor, parts, performance, speed, stumbles, tpi, tube

Missing turns to undriveable. 1985 TPI

JohnC485 on 03-08-2012

03-12-2012 04:36 PM
by JohnC485

17

2,431

1986, 84, adjustable, bad, c5, cold, corvette, fpr, fuel, hook, pressure, regulator, screws, stumbles, vette

Bad Fuel Pressure Regulator???

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1 2)

JXAce on 08-04-2009

03-11-2012 08:32 AM
by mdsheley

26

42,191

c3, connected, corvette, hot, runs, stumbles, tps

Vette Stumbles.....

stonewall221 on 03-02-2012

03-07-2012 02:03 AM
by Dayde

8

1,514

2000, 3120, 94, charlotte, clears, corvette, crap, innova, nc, race, rainbow, rpms, run, runningnlike, stumbles, work

On going mistery I need fixed before Rainbow Run. HELP!

RottNRobs93 on 03-06-2012

03-06-2012 03:03 PM
by RottNRobs93

2

1,217

89, c4, cat, chevy, corvette, flow, high, loop, open, specifications, stumbles, super

Stumbled on cold open loop-fine when warm?

856SPEED on 02-19-2012

02-26-2012 11:26 AM
by WW7

6

1,580

85, 88, body, c4, clean, cleaning, corvette, idle, l98, stumbles, tb, thortlle, throttle, throttlebody

85 L98 - cleaned throttle body - every once in a while, idle stumbles a bit

Joe C on 01-23-2012

01-23-2012 04:59 PM
by WW7

4

4,466

1994, engine, high, idle, lt1, misses, performance, stumbles, surges, warm, warmup

1994 LT1 conv. Engine stumbles and idle surges after warmup

AZBlackC4 on 01-09-2012

01-11-2012 09:34 PM
by traindude

11

1,767

Intros

90, c4, corvette, dies, engine, heats, hot, problem, rough, runnning, runs, stalls, stumbles, warm, zr1

Car heats up stumbles and dies

PWR SHFT on 12-26-2011

01-03-2012 12:02 PM
by PWR SHFT

19

5,751

1992, c5, car, corvette, drag, engine, gear, high, light, rpm, stumble, stumbles

Miss / stumble at high RPM in 3rd+ gear

C5Z06K5GSXR1000 on 12-04-2011

12-05-2011 01:32 PM
by KOZ

5

1,455

91, c3, c4, corvette, counts, cross, drop, engine, higher, o2, rpms, stubbles, stumbles

Engine stumbles as RPMS drop.

VetteAholicC4 on 11-14-2011

11-16-2011 11:20 PM
by desertmike1

9

1,370

1993, 1994, 92, 92corvette, asr, c4, check, corvette, eng, engine, light, security, service, stumbles, vette

Service ASR light came on, Service Engine Soon... (???)

mooncricket on 02-23-2003

10-11-2011 01:11 PM
by SkyKohl

19

12,887

1995 mild stumble at acceleration

iamfine2 on 09-25-2011

10-04-2011 07:47 PM
by iamfine2

3

1,231

3000, avenger, blooded, carb, cold, holley, holly, idle, power, problems, rpm, street, stumble, stumbles, zz4

Street Avenger Stumble Issue Solutions

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1 2 3)

lars on 07-16-2007

10-02-2011 08:24 AM
by Rick_V

48

26,627

85, accelleration, coming, corvette, drive, holly, idle, intake, l98, lt1, periodically, sale, stalls, stop, stumble, stumbles

L98 Recurring "Off the line" stumble...

mdlfcrss on 09-13-2011

09-14-2011 01:48 PM
by mdlfcrss

15

2,241

c5, c6, car, clicking, corvette, diesels, ignition, makes, shut, shutting, stumbles, turn, whwn, wont, z06

[Z06]

C5 Z06 will not shut off

MTL_Z06 on 09-02-2011

09-03-2011 01:02 PM
by RetiredSFC 97

6

1,349

C5 General

1984, 1995, 91, bad, c4, control, corvette, electronic, esc, find, location, module, spark, stumbles, testing

electronic spark control

mdlfcrss on 07-15-2011

07-24-2011 01:47 PM
by jeffp1167

14

1,952

1994, 5k, bad, c4, control, corvette, cutting, engine, high, ignition, lt1, manual, module, performance, rpm, stumbles, symptoms

1994 (LT1) Stumble @ 5,000 RPM

girvin02 on 07-15-2011

07-16-2011 10:51 PM
by 93Rubie

5

4,650

1989, 22, accelerating, boat, code, cornering, corvette, hesitates, low, power, sets, spark, stumbles, tps, wot

1989 vette stumbles under load

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1 2)

usagie99 on 06-11-2011

06-14-2011 02:45 AM
by JrRifleCoach

23

6,128

36, code, gas, heat, hit, lt1, saturation, stopped, stumble, stumbles, wwwlt1

Heat saturation and engine stumbles (LT1)

Rag Top on 06-10-2011

06-12-2011 11:47 PM
by dizwiz24

11

878

hot, jet, qjet, stembels, stumble, stumbles

Q-Jet stumble

Mick71 on 06-09-2011

06-09-2011 09:15 AM
by Mick71

2

859

2002, alternator, corvette, erratic, high, idle, low, ls7, miss, rpm, rpms, stroker, stumbles, stumbling, wot, z06

[Z06]

Stumbling at low rpms, erratic idle, loss of high RPM power

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1 2)

Geared on 05-01-2011

05-02-2011 06:31 PM
by Geared

25

7,179

C6 Corvette ZR1 & Z06

1990 stumbles on occasion

Ralphbf on 04-30-2011

04-30-2011 02:17 PM
by OkieC4

1

587

3500, accord, drag, engine, motor, racing, rpm, stumble, stumbles, v8

Engine stumbles around 3500 rpm... sometimes

Ralphbf on 04-30-2011

04-30-2011 05:17 AM
by blue427

1

846

c4, corvette, dont, gm, hot, ls1, lt1, misfire, msd, plug, runs, stumbles, v1, vortech, wires

Runs Hot and Stumbles

zarifian383 on 04-25-2011

04-28-2011 08:03 PM
by leesvet

11

914

1990, 86, acceleration, bogs, c4, corvette, hesitation, initial, l98, stumble, stumbles, vette

'86 stumbles on initial acceleration

abdo on 04-21-2011

04-21-2011 07:12 PM
by abdo

3

1,690

85, acceleration, b16, corvette, low, rpms, spuddering, stumbles, stumbling

Spuddering under 2000 RPM

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1 2)

mtlvette on 06-08-2010

03-14-2011 01:33 PM
by MickVette

32

2,763

2003, accelerstion, c5, c5corvettecarstumbles, control, corvette, dtcs, fuel, install, load, ls1, p0004, p0140, p0160, regulator, stumble, stumbles, volume

C5 stumbles under load

JanCorvette on 12-12-2010

01-07-2011 07:31 PM
by JanCorvette

19

3,990

09, accelerates, accelerating, acceleration, atumbles, aveo, car, stop, stumble, stumbles

Car stumbles when accelerating from a stop...

97C5ENVY on 09-25-2010

09-25-2010 07:33 PM
by Dave68

1

1,234

Other Cars

are my injectors good??

daniel5625 on 09-24-2010

09-24-2010 09:15 PM
by FICINJECTORS

1

482

broken, engine, load, spring, stumbles, valve

How do I trouble shoot this?

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1 2)

Black92FX36spd on 08-24-2010

08-25-2010 06:54 AM
by Black92FX36spd

20

1,159

1989, 89, address, corvette, drive, especialist, hard, idle, long, mechanic, ny, searching, start, stumbles, tpi

Hard start then no idle - SR

Snakecharmer383 on 08-11-2010

08-19-2010 06:50 PM
by 383vett

12

1,053

1990, 89, 89vette, adjustment, corvette, crankshaft, issue, l98, position, positioning, replace, running, sensor, stumbles, throttle

Weird 89 L98 idle/running problem - details below

corvette95 on 08-05-2010

08-05-2010 09:04 PM
by corvette95

6

2,281

750, acceleration, carb, demon, hesitation, idle, jr, problems, return, road, stumble, stumbles, throttle

Road Demon really bad stumble

mxscooter on 07-24-2010

07-25-2010 08:34 PM
by mxscooter

3

1,448

1996, ac, air, bearings, c4, clutch, conditioning, corvette, disengaged, f150, noise, repair, stumbles

A/C clutch

V's Vette on 07-18-2010

07-23-2010 09:30 PM
by Hooked on Vettes

12

997

1996, 2006, body, corvette, engine, gear, gt, idle, light, load, slight, stumbles, stumbling, surge, throttle

[Z06]

Stumbling on very very light throttle

Silver05GTO on 07-22-2010

07-23-2010 11:02 AM
by extents

5

1,760

C6 Corvette ZR1 & Z06

c4, car, corvette, engine, hesitates, idle, idling, minute, stumbles

Hesitates/stumbles at idle a little

V's Vette on 07-19-2010

07-22-2010 12:17 AM
by V's Vette

9

1,513

1050, 1150, 3000, 4000, 4575, 496, c454, chevy, dominator, edelbrock, holley, intake, rpm, stumbles, update

Is 1150 Dominator too big?

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1 2)

UBETRUN on 03-28-2010

06-29-2010 08:57 AM
by 427Hotrod

20

11,318

C6 Forced Induction/Nitrous

acceleration, accelleration, c5, c6, car, cold, corvette, engine, idle, max, problems, rough, stumbles, surges, wiseco

Problems with cold idle and stumble on acceleration

speeding bullet on 06-18-2010

06-21-2010 06:59 PM
by speeding bullet

8

2,041

acceleration, automatic, corvette, load, low, ls1, rpm, stumble, stumbles, stutter, stutters, transmission

HELP! Stumble under load!

Rohan on 05-22-2010

05-22-2010 11:20 PM
by Rohan

0

751

1984, 89, back, backfire, backfires, backfiring, c4, corvette, fire, gmc, idles, intake, rough, runs, stumbles

89 with rough start & back fire

89_Corvette on 05-09-2010

05-17-2010 05:37 PM
by 89_Corvette

13

1,560

c4, corvette, stalls, stumbles, supercharged

Please Help diagnose this MAF? issue on Supercharged C4

89_383_SuperC on 05-02-2010

05-03-2010 09:16 AM
by bjankuski

2

511

acceleration, accelleration, c5, codes, corvette, engine, ls1, stumble, stumbles

Intermittant Strong Acceleration Stumble

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1 2)

ScottPurlee on 04-07-2010

04-15-2010 02:14 PM
by ScottPurlee

25

2,673

engine, good, idles, starts, stumbles, theb

Engine starts and idles good but stumbles if you really get on it

sonseeker on 04-06-2010

04-06-2010 02:37 PM
by 94coupe

4

814

1985, 90, accel, adj, coils, corvette, corvettes, engine, forum, kit, l98, rebuild, stumbles, super, valve

L98 Tune Up Q's

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1 2)

Bucs34 on 03-17-2010

03-29-2010 08:24 PM
by Bucs34

20

2,988

85, acceleration, c6, corvette, engine, heavy, knock, knocking, knocks, low, motor, octane, oil, pinging, pressure, sensor, stumbles, type

Engine Knock Under heavy acceleration

packerfan11 on 03-21-2010

03-21-2010 05:39 PM
by 94vettelover2

4

1,767

4160, c2, c3, carb, corvette, curb, holley, howholley, idle, power, screw, secondaries, secondary, stall, stop, stuck, stumbles, vac, valve, works

Holley vac secondary bad stumble on non-cruise accel?

neuroclast on 01-27-2010

02-01-2010 04:37 PM
by MelWff

16

6,948

90, 96, backfires, blows, corvette, depressing, gas, hard, hoses, load, normal, start, stumbles, vacuum, warmed, warms

'90 stumbles after warms up

ddcarter69 on 01-24-2010

01-30-2010 05:48 PM
by Dominic Sorresso

18

1,663

C4 ZR-1 Discussion

c5, corvette, engine, ideas, launch, midyear, stumbles

Engine Stumbles - Any Ideas?

fastvetZ06 on 01-06-2010

01-06-2010 10:14 PM
by fastvetZ06

2

734

350, car, carb, carbed, carbureted, carburetor, chevy, crackling, holley, mid, midrange, power, range, stumble, stumbles, valve

midrange stumble?

gingerbreadman1977 on 10-04-2009

10-11-2009 01:13 AM
by gingerbreadman1977

10

3,150

95, coolant, corvette, cts, green, location, lt1, pump, senor, sensor, single, stumbles, temp, water, wire, zr1

95 lt1 water temp sensor

jmalez on 10-04-2009

10-07-2009 04:28 PM
by LannyL81

2

3,243

78, c4, c5, car, codes, corvette, engine, filter, fuel, line, load, pinched, stumble, stumbles, stutters

Car stumbles under load.

eastltd on 08-02-2009

08-08-2009 06:03 PM
by Jack Wood

8

1,732

Code 22

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1 2)

GreenwoodVette on 07-16-2009

07-21-2009 02:24 AM
by GreenwoodVette

22

2,801

afb, automatic, c5, car, carb, corvette, enrichment, hesitation, idle, leak, loading, screws, stumble, stumbles, transmission, turn, vacuum

Off Idle Stumble

bigearl56 on 07-18-2009

07-20-2009 07:47 PM
by DansYellow66

19

4,206

460, 670, 770, 79, 80555c, accelerate, avenger, corvette, holley, review, running, street, stumbles, zz4, zz430

79 Corvette with a zz4

hjgator on 06-30-2009

07-05-2009 12:02 PM
by 3JsVette

13

2,321

car, cuts, high, ignition, rpm, stumbles, stumbling

Stumbles at high RPM and now starting hard

Jeff78 on 06-18-2009

06-21-2009 08:23 PM
by alphamale1906

4

828

1984, acceleration, back, bogging, carburator, corvette, engine, exceleration, excellration, fires, lars, lt1, rear, smokes, stumble, stumbles

Engine stumble upon acceleration

VetteRed1965 on 05-09-2009

05-12-2009 02:22 AM
by landshark 454

13

2,351

1967, 440, 454, accel, acceleration, bad, carb, coronet, dodge, engine, exhaust, gas, hard, ignition, miss, point, pop, poping, stumbles

Help?..Engine stumbles upon hard acceleration

snappy2u on 04-24-2009

04-28-2009 04:30 PM
by Frankie the Fink

19

16,294

77, acceleration, back, c3, carb, corvette, floats, pod, quadrajet, qudrajet, slight, stuck, stumble, stumbles, stumbling, vacuum

I'm Stuck! -77 Stumbles under acceleration

KarlosM on 04-17-2009

04-21-2009 10:08 AM
by jimvette999

13

2,958

2000, 85, acceleration, acceliration, c3, c4, c5, corolla, corvette, idle, miss, rough, slight, stumble, stumbles

Rough idle/ stumbles on acceleration

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1 2)

milo30 on 09-25-2008

03-17-2009 11:30 AM
by 1slowride

20

4,421

car stumbles????

vertvette71 on 01-08-2009

01-22-2009 11:53 AM
by Reggie Dunlop

14

1,310