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MY EF 6CYL IS MIS-FIRING 

 

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 Post subject: MY EF 6CYL IS MIS-FIRING
Posted: Sun Aug 09, 2009 7:03 pm 
Getting Side Ways
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Ride: EF SERIES II FAIRMONT

Location: ADELAIDE, KLEMZIG
SA, Australia

Hey everyone.
I have a 96 ef fairmont 6cyl. The mods that i have do to it are:
- monster flow pod filter, powerchip, full xorst (xtractors, hi-flow cat, 2.5 system with a resi).

It seems to mis-fire every now and then. It usally starts to mis-fire after driving for about a half hour to 45 minutes sometimes it starts to mis straight away.
I can tell when its about to happen cause when im stopped at the lights idling i can here a very slight mis-fire sound coming from my exhaust. Then when i go to take off it mis-fires Badly.
It mis-fires that bad its almost like fuels being cut off and then comes back.
Also a week ago my car got stuck in 3rd gear "limp home mode" so i stopped the car, turned it off waited 10 minutes started it again and then it was fine. And also the trans has been losing engine brakeing in 3rd gear.
The car does seem to be running a little rich and also when i start the car in the mornings as i start it the idle dosen't go up to a cold idle temp it just goes to normal idle speed (750rpm).

It started to do this about a month ago then went away and now it has come back so i replaced a couple of things: my ignition leads, my spark plugs and the engine has just been serviced.
My brother said he will bring home a ecu diagnostics reader as well.
What could be the problem.
Some of my mates have said differnt things like:
-my trans needs a service, TPS switch, MAP sensor, ISC, trans is stuffed, coil pack, needs to be dyno tuned cause of powerchip, fuel injection system.
Please let me know of your ideas to what could be wrong.
Thank you for taking the time to read this, i appreciate it.

Cheers
TURBOFAIRMONT

 

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FORD 1996 EF FAIRMONT ARGON SILVER
18 INCH GT-P WHEELS
POWERCHIP,AWESOME STEREO,MONSTER FLOW POD FILTER
KYB LOWERED SHOCKs & KINGSPRING SUPERLOWS
XTRACTORS 2.5 INCH PIPES HI-FLOW CAT SML STRAIGHT THRU MUFF TWIN TIPS
DBA STREET SERIES SLOTTED ROTORS
*IT'S MY PRIDE & JOY*

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 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Sun Aug 09, 2009 10:33 pm 
Getting Side Ways
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Location: Bendigo
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sounds like the coil pack is dieing

 

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 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Sun Aug 09, 2009 10:50 pm 
Getting Side Ways
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New dissy cap!

 

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 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Sun Aug 09, 2009 10:53 pm 
Getting Side Ways
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not on an ef sorry

 

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F6 Tornado 2006 Build

Is it about sex? The engine in my car? Or a cure for cancer?
No?

Then f**k off

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 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Sun Aug 09, 2009 11:27 pm 
Getting Side Ways
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:oops: So I see

 

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 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Mon Aug 10, 2009 5:06 pm 
Parts Gopher
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Ride: NF fairlane

Location: melbourne
VIC, Australia

hi, as of late my nf fairlane has been doing strange things like that when i first start it and then drive off it will miss really badly then after a couple of time to 60k it wont do it again but its random i have changed the following

leads
plugs
coil pack
oxy senser
map senser
ecu
isc
cleaned all the T/body

would be really good to see what comes up on your scanner hope to hear from you soon.

regards Nick

 

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 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Fri Aug 14, 2009 9:54 pm 
Getting Side Ways
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Age: 31

Posts: 442

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Gallery: 7 images

Ride: EF SERIES II FAIRMONT

Location: ADELAIDE, KLEMZIG
SA, Australia

fordisgod wrote:
hi, as of late my nf fairlane has been doing strange things like that when i first start it and then drive off it will miss really badly then after a couple of time to 60k it wont do it again but its random i have changed the following

leads
plugs
coil pack
oxy senser
map senser
ecu
isc
cleaned all the T/body

would be really good to see what comes up on your scanner hope to hear from you soon.

regards Nick


Hey fordisgod,
I have replaced the:
-Leads
-Plugs
-Cleaned the isc and the throttle body.
Iwas thinking it was the coil pack cause what i have heard you won't notice a mis-fire from a coil p-ack when it is cold cause it only shows major signs of stuffing up when hot.
When it comes to the Ecu, it could be the ECu as i have a piggy back Powerchip on it and i have changed my air intake since having it Dynotuned last.
I while back when my map sensor was playing up i got the ecu diagnostics done and the map sensor came up, so we reset it and it was fine after

Looks like i am definetly going to have to get the Ecu diagnostics scanned as that will probably give me a answer and will definetly get the car dynotuned again.

cheers

TURBOFAIRMONT

 

_________________

FORD 1996 EF FAIRMONT ARGON SILVER
18 INCH GT-P WHEELS
POWERCHIP,AWESOME STEREO,MONSTER FLOW POD FILTER
KYB LOWERED SHOCKs & KINGSPRING SUPERLOWS
XTRACTORS 2.5 INCH PIPES HI-FLOW CAT SML STRAIGHT THRU MUFF TWIN TIPS
DBA STREET SERIES SLOTTED ROTORS
*IT'S MY PRIDE & JOY*

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 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Fri Aug 14, 2009 9:56 pm 
Getting Side Ways
Offline

Age: 31

Posts: 442

Joined: 7th Jan 2005

Gallery: 7 images

Ride: EF SERIES II FAIRMONT

Location: ADELAIDE, KLEMZIG
SA, Australia

ANYONE ELSE HAVE ANY IDEAS??????????


CHEERS


TURBOFAIRMONT

 

_________________

FORD 1996 EF FAIRMONT ARGON SILVER
18 INCH GT-P WHEELS
POWERCHIP,AWESOME STEREO,MONSTER FLOW POD FILTER
KYB LOWERED SHOCKs & KINGSPRING SUPERLOWS
XTRACTORS 2.5 INCH PIPES HI-FLOW CAT SML STRAIGHT THRU MUFF TWIN TIPS
DBA STREET SERIES SLOTTED ROTORS
*IT'S MY PRIDE & JOY*

Top
 Profile  
 
 
 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Fri Aug 14, 2009 10:19 pm 
Getting Side Ways
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Age: 64

Posts: 3448

Joined: 11th Jan 2009

Ride: BA Falcon XT

Location: Smithfield
NSW, Australia

When you played with the MAP sensor, did you also check to make sure that there was no carbon deposit in the vacuum adapter? Have you check that there is no leak under the Throttle by-pass valve? Have you checked all the bolts that hold the manifolds on? Changed your Fuel Filter? Had the Fuel pressure regulator checked?
One other thing, BA falcons have a similar problem and it mostly is the Throttle Position Sensor that causes the problem and it usually causes the limp home mode which can oft times be temp fixed by stopping and starting again.
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 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Sat Aug 15, 2009 2:10 am 
Getting Side Ways
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Ride: Falcon

Location: Central Highlands
QLD, Australia

Spray a can of degreaser over your tone wheel on the harmonic balancer, if it is full of gunk. A bad pickup from the crank angle sensor can cause wierd problems. Also check your coolant temp sensor on the thermostat housing as for cold starts and clean out the ISC with carbi clean.

With your gearbox unplug or the connections on the passenger side and spray them out with contact cleaner, CRC etc then plug them back in.


After all this is done and still the same( Remove the J3 power chip) and run standard ECU too see if any different.........

Cheers

 

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Exhaust: Pacemaker's, 2.5" exhaust and Hiflow cat
Intake: FRAM AIRHOG , EL GT snorkel
XR6 300kpa fuel reg Stg 2 Auto Shift Kit.6DJA ECU
PM in Qld looking too buy Toyota 4*4 SR5 Dualcab Hilux 91-97 with 2.8l diesel engine/5spd manual

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 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Sat Aug 15, 2009 2:24 pm 
Getting Side Ways
Offline

Age: 31

Posts: 442

Joined: 7th Jan 2005

Gallery: 7 images

Ride: EF SERIES II FAIRMONT

Location: ADELAIDE, KLEMZIG
SA, Australia

thanks for your help all,

Is there a way you can test if the coil pack is running properly

 

_________________

FORD 1996 EF FAIRMONT ARGON SILVER
18 INCH GT-P WHEELS
POWERCHIP,AWESOME STEREO,MONSTER FLOW POD FILTER
KYB LOWERED SHOCKs & KINGSPRING SUPERLOWS
XTRACTORS 2.5 INCH PIPES HI-FLOW CAT SML STRAIGHT THRU MUFF TWIN TIPS
DBA STREET SERIES SLOTTED ROTORS
*IT'S MY PRIDE & JOY*

Top
 Profile  
 
 
 Post subject: Re: MY EF 6CYL IS MIS-FIRING
Posted: Sat Aug 15, 2009 6:21 pm 
Getting Side Ways
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Age: 30

Posts: 3737

Joined: 22nd May 2006

Ride: BF F6 Tornado - #0077

Location: Bendigo
VIC, Australia

EL__Fairmont wrote:
With your gearbox unplug or the connections on the passenger side and spray them out with contact cleaner, CRC etc then plug them back in.
Cheers


what will this do? i've heard that the ecu reads from a sensor in there to adjust timing but i dont know if this is right...

 

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** For Sale ** http://www.fordmods.com/ford-parts-for-sale-f17/assorted-e-series-parts-t124697.html

F6 Tornado 2006 Build

Is it about sex? The engine in my car? Or a cure for cancer?
No?

Then f**k off

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