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Slight missfire at idle and under power, intermittent. 

 

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 Post subject: Slight missfire at idle and under power, intermittent.
Posted: Thu Feb 04, 2016 2:15 pm 
Fordmods Newbie
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Age: 54

Posts: 7

Joined: 18th Oct 2012

Ride: EL falcon

Location: Sydney
NSW, Australia

I have a BA mk2 now, not an EL.

At idle and occasionally under acceleration there is an intermittent miss.

I recently drove the vehicle to Qld. and back, from Sydney and noticed the fuel consumption was also a little higher.

The spark plugs were replaced 25,000 km ago.

I also added a reputable brand injector cleaner on one of the tank of fuel used on the trip.

It could be injectors but I think it feels more like a electrical issue.

The vehicle has travelled 225,000 km

What are the recommended change out intervals for the spark plugs?

I also heard that the coil packs give trouble, is there a test that I can carry out on them?

All help greatly appreciated.

Regards

Rowdy.
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 Post subject: Re: Slight missfire at idle and under power, intermittent.
Posted: Thu Feb 04, 2016 2:16 pm 
Technical Contributor
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Age: 59

Posts: 6817

Joined: 22nd Jun 2005

Gallery: 8 images

Ride: EF Fairmont

Location: Campbelltown
NSW, Australia

When were the Coils last changed?

 

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SWC

South West Customs


Members of the SWC Stable, fordebgt93, TROYMAN, Benj, svo_matt, Mrs C, eb_fairmont, Total_tool, Terroristghia

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 Post subject: Re: Slight missfire at idle and under power, intermittent.
Posted: Thu Feb 04, 2016 2:58 pm 
Fordmods Newbie
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Age: 54

Posts: 7

Joined: 18th Oct 2012

Ride: EL falcon

Location: Sydney
NSW, Australia

Thanks for your reply.

I bought the vehicle with 170,000 km on it, I have not changed them during the course of my ownership.

However they may have been changed prior to me owning the vehicle. Is there any way of knowing like a part number or similar?
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 Post subject: Re: Slight missfire at idle and under power, intermittent.
Posted: Thu Feb 04, 2016 3:17 pm 
Technical Contributor
Offline

Age: 59

Posts: 6817

Joined: 22nd Jun 2005

Gallery: 8 images

Ride: EF Fairmont

Location: Campbelltown
NSW, Australia

At a guess with those Km, they are probably on the way out.

I have been told that they are good for around 120,000km. Not sure if that is true or not but nahve had that info from a couple of people that know their way around BA/BF/FG.

Use genuine Ford coils, as many that use non genuine had found issue with them.

 

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SWC

South West Customs


Members of the SWC Stable, fordebgt93, TROYMAN, Benj, svo_matt, Mrs C, eb_fairmont, Total_tool, Terroristghia

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