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Spark Plugs and Ignition Leads 

 

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 Post subject: Spark Plugs and Ignition Leads
Posted: Tue Feb 03, 2015 10:27 pm 
Getting Side Ways
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Age: 58

Posts: 1028

Joined: 13th Sep 2010

Ride: Ford Falcon AU 2000 Series II

Location: Eagleby
QLD, Australia

I've noticed some arcing from No 2 ignition lead and arcing towards rocker cover. Would this be from a faulty or deteriorating ignition lead?

I've taken out the spark plug, it looks ok , a bit white / grey on the centre electrode.

Spark plugs are a Bosch Platinum type....I gave all the spark plugs a clean up using a bench grinder wire brush.

I've stripped away the centre electrode coating (I tried to avoid that). I assume they can be chucked away and replaced, or can they be reused?

Question.

Would a bad ignition lead cause the Knock Sensor to play up?

Any info on the above is welcomed.

Cheers
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 Post subject: Re: Spark Plugs and Ignition Leads
Posted: Thu Feb 05, 2015 9:04 am 
Getting Side Ways
Offline

Age: 58

Posts: 1028

Joined: 13th Sep 2010

Ride: Ford Falcon AU 2000 Series II

Location: Eagleby
QLD, Australia

Update,

Seems like the knock sensor does just that, sends error codes when one has faulty ignition cables.

Replaced ignition coil, replaced spark plugs, replaced ignition leads. Removed and cleaned knock sensor, replaced same.

Run engine, running smoothly, done a diagnostic scan using Forscan, no error codes reported.

All good
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