Threads Tagged with misfire

Mystery engine fault / misfire problem - please take a look!

heffer on 02-05-2024

08-03-2024 09:50 PM
by twokbolt

9

620

Cayenne 958 - 2011-2018

45, 996, 997tt, boxster, check, codes, cyl, cylinder, cylinders, engine, flashing, light, misfire, plug, porsche, replacement, spark, turbo

misfires in 3 cylinders (4,5,6)

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1 2 3 4 5 ... Last Page)

iliasgk74 on 07-25-2010

03-29-2024 09:31 PM
by r_towle

77

138,182

997.1 Carrera - hesitates at low rpm

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1 2 3 4 5 ... Last Page)

Zygrene on 11-09-2020

02-06-2024 01:36 PM
by Plutoway

209

28,890

coolant, engine, misfire, missfire, smell

Engine Misfiring/Coolant Low/Smell from Exhause

MoeNYC on 10-04-2023

10-04-2023 08:57 AM
by Petza914

2

325

981 Ignition Coil - Can I just Replace One?

PRANCING MOOSE on 09-02-2023

09-05-2023 08:52 AM
by IndigoInkTaco

6

996

924/931/944/951/968 Forum

ignition, misfire, power loss, runs worse with time, sputter

1986 Porsche 944 n/a gradually loses more top end power the longer I drive i

nocomment on 10-02-2016

09-03-2023 08:37 AM
by Jfrahm

12

4,295

Fueling & Misfire Issues on Track (P1023, 1026, 1027)

Pugnacious14 on 08-07-2023

08-07-2023 03:04 PM
by Pugnacious14

0

536

06, 20, 993, 99919234350, audi, belts, bill, boys, cayenne, complaints, hollow, misfire, motorsports, p0302, p0306, porsche, possum, random, turbo, vbelt

Always use stock OEM Porsche belts!

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1 2 3 4)

cabrio993 on 04-23-2008

06-09-2023 04:18 PM
by ahhprods

55

8,212

2003, 993, 996, a4, audi, carrera, cel, cooler, engine, gt3, misfire, misfires, misfiring, oil, porsche, problem, targa

Misfire and CEL cleared w/ Porsche Belts

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1 2)

hkate on 01-06-2008

06-07-2023 02:04 PM
by ElCid86

27

8,485

335, 993, acceleration, bmw, cylinders, hard, misfire, p0301, porsche, random

CEL/misfires cylinders 1-6

tsjoel on 10-25-2004

06-07-2023 02:02 PM
by ElCid86

11

1,596

987 boxster, check engine light, maf, misfire, oxygen sensor

987 All cylinders misfire

scarletmoon on 08-07-2022

08-09-2022 06:31 AM
by palestar

6

1,690

987 Forum

2014 Boxster S Misfiring

LunarOne on 01-16-2022

01-16-2022 02:33 PM
by LunarOne

0

739

fra, misfire, need help, porsche 996, tra

Porsche 1999 911 Cabriolet 996 Bank 1 Misfire

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1 2)

ebebtub on 10-16-2021

10-27-2021 05:33 PM
by Porschetech3

17

3,364

944s2, blinking, car, cayenne, drive, engine, gas, happen, horror, light, make, misfire, porsche, random, seafoam

Random Misfire Issues

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1 2 3 4)

gio_73 on 07-05-2011

10-09-2021 10:52 AM
by docdrs

47

58,658

993, 996, 996tt, code, cylinder, diy, exhaust, falt, misfire, po306, porsche, solenoid, speedtech, tappet, tt, turbo

Check Engine Light - Misfires cyl 3 & 6

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1 2 3 4)

Wachuko on 05-20-2009

09-15-2021 11:33 PM
by rkarammd

50

29,918

996 Turbo Forum

2004, 2006, 997, cayenne, change, coils, cylinder, instructions, long, misfire, p0691, pencil, plugs, porsche, replace, spark, vehicle

Lots of Coils Information -Slight Roughness at low speeds ?

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1 2 3 4 5 ... Last Page)

mudman2 on 02-17-2006

03-05-2021 09:22 AM
by zagamuffin

176

131,344

Misfire with Bad AOS

DavePDX on 01-23-2021

01-24-2021 09:58 AM
by Petza914

3

855

928, 993, 997, airbox, car, carwash, causing, day, misfire, misfired, misfires, rough, wash, washed, water

Car Wash = Misfire

laz74 on 10-02-2012

07-27-2020 09:36 PM
by JB001

9

2,750

Consistant misfire on 2 cylinders each cycle

SammyS on 03-26-2017

07-26-2020 04:31 PM
by EduardoForesti

14

3,238

Multiple cylinders misfiring

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1 2 3)

tkloehn on 01-04-2016

07-26-2020 01:31 PM
by 808Bill

43

12,250

924/931/944/951/968 Forum

cylinder, misfire, misses, rough, stumble

Cold start stumble and runs rough like on 3 cylinders

Chalt on 01-25-2018

04-14-2020 03:40 PM
by Chalt

14

8,394

4000, 931, 944, alternator, audi, caterpillar, full, high, higher, jmdforest, misfire, missing, porsche, problems, revs, rpm, rpms, throttle, turbo

High RPM misfire only at WOT?

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1 2 3 4 5)

LI Steve on 06-23-2008

04-07-2020 07:14 PM
by 911buzz

68

12,381

924/931/944/951/968 Forum

Cats failing?

bwhanson on 02-11-2020

02-11-2020 11:43 AM
by dporto

4

542

2002, 45, 996tt, bad, bank, boxster, bracket, coil, cyl, maf, misfire, p0040, sensor, solenoid, variocam, yukon

Update - "Missing on Cyl #'s 4,5 and 6"

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1 2 3 4 5)

MK19 on 11-02-2008

02-09-2020 01:37 PM
by deadendd9009

64

18,826

996 Turbo Forum

04, 2004, 45, cayenne, coolant, cooling, issues, misfire, oil, overheat, pipe, pipes, plastic, porsche, quarts

HELP! (please) - 2004 Cayenne S with dead engine - coolant in the oil

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1 2)

oldskewel on 09-08-2009

11-13-2019 02:26 PM
by oldskewel

16

19,603

911, 993, 996, bad, cylinder, cylinders, diagnose, engine, intermittent, misfire, misfiring, p0305, pst2, symptoms, tempsensor

Help to diagnose engine misfire codes

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1 2 3)

mgianzero on 02-04-2013

11-01-2019 04:58 PM
by Mr.Woolery

37

16,569

cel, fuel trim, misfire, new 997 owner, o2s

HELP: Random Misfire Code, +Fuel Trim O2S at .9V

Phil Parrish on 08-09-2019

08-10-2019 10:46 PM
by Phil Parrish

4

731

Heavy Misfire at idle

muccamoofrog on 10-22-2018

10-22-2018 07:28 PM
by VulcanGrey

2

1,540

misfire, o2 sensor, oxygen sensor, rough idle

Porsche 997.2 C2S Misfiring and rough idle

Danny Hammoud on 09-26-2018

09-26-2018 01:13 PM
by Danny Hammoud

0

937

911 Forum

IPD Comp kit on 987.1 CS - CEL/running poorly

rpmillie on 08-10-2018

09-03-2018 11:32 AM
by Joe Henley

8

1,680

987 Forum

cel, hot start, hot start misfire, misfire

Hot start misfire and CEL?

_snowbird_ on 07-24-2017

06-07-2018 02:55 PM
by _snowbird_

8

1,633

Cayenne Turbo Misfire

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1 2 3)

DannyHoffman on 09-27-2017

10-25-2017 06:23 PM
by gibbsy

35

22,088

Yet another 996 Cylinder 1 misfire thread

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1 2 3 4 5 ... Last Page)

DrMEMS on 02-05-2016

01-26-2017 08:17 PM
by DrMEMS

303

90,270

Idle problems + misfire

knockout87 on 12-06-2016

12-06-2016 05:44 PM
by Macster

9

2,059

89, 928, 928s4, change, fuel, intake, lean, misfire, o2, oxygen, pcf, porsche, rich, running, sensor, spacers, temp

There she blows (928 S4 '89 manual running rich)

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1 2 3)

JakeS2 on 05-24-2013

08-02-2016 12:56 AM
by JakeS2

34

13,121

928 Forum

'01 C4 Cab misfiring after replacing Variocam

McCloud93 on 06-11-2016

06-11-2016 03:35 AM
by Ahsai

1

895

04 CTT random misfire on bank 2 -need help!

RJDthecayenneguy on 05-14-2016

05-17-2016 10:18 PM
by ekstroemtj

4

2,590

bleed, c4, cayman, change, coolant, engine, misfire, misfiring, porsche, purge, replaced, tank, valve, valves

Engine Misfire after changing coolant tank

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1 2)

scorchpa on 03-14-2014

05-15-2016 01:10 PM
by jdudjak

26

20,246