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how to chceck saprl plugs and leads? 

 

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 Post subject: how to chceck saprl plugs and leads?
Posted: Sun Apr 16, 2006 9:14 pm 
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ok my fuel cosumtion is crapola 300kms pertank town im my EF 2 XR6
ok i just got it and i know it ha steh followwing
pacemaker 4499 extractors
SS induction cold air intake
K&n filter
exaust

so im trying togo thriugh and see what is causing the bad fuel consumtion.
ive remove dand cleaned that idle sensor thing
ive ran injector cleaner thru her

ive been told u cna get clap on meter thing that tells if u yeads or plugs are rooted but failing that can i just use a multimeter, and manually remove the plugs and clean and adjust/what should the gap be and how do i adjust/clean them?

any other things that could be casing the bad fuel consumption?

doen oil change as well and replaced collant. need better fuel consumption so i ca start to do some work to her
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Posted: Sun Apr 16, 2006 10:00 pm 
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to thick of an engine oil will cause poor feul economy.
a failing coil pack delivering poor spark will also
under inflated tyres
carbon build up on the valves and ports
lead foot

 

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Posted: Sun Apr 16, 2006 10:12 pm 
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what's this meter device called and where can yu get one from?

 

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Posted: Sun Apr 16, 2006 10:19 pm 
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i have no idea but im trying to find out.
ive gotthe penrite stuff corrct thckness accourding to teh charts.

it also has a rough idle even in netural it will jusmp form about 700rpm to about 300rpm
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Posted: Mon Apr 17, 2006 1:37 pm 
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tickford_6 wrote:
to thick of an engine oil will cause poor feul economy.
a failing coil pack delivering poor spark will also
under inflated tyres
carbon build up on the valves and ports
lead foot


mine is having trouble starting up and a mate said it could be the coil pack, how do u go about checking it?

 

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Posted: Mon Apr 17, 2006 5:48 pm 
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Spark plugs are like 3 bucks each and need to be changed reguarly, instead of buying something to test them BUY NEW ONES! A. it's probably cheaper and b. you'll be needing new ones reguarly anyways!
For the leads, you can test the resistance of them to see the condition, also look at the physical conditionof them.

 

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Posted: Mon Apr 17, 2006 6:45 pm 
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first thing i did when i picked mine up was reset the new plug/leads you dont know HOW long theyve been in there.

try reseting the computer aswell, very simple to do, take the battery out for a while, while you wait put in the new plugs/leads.

P.S. what is the correct gap for the XR6.

 

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Posted: Mon Apr 17, 2006 6:55 pm 
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rushed wrote:
first thing i did when i picked mine up was reset the new plug/leads you dont know HOW long theyve been in there.

try reseting the computer aswell, very simple to do, take the battery out for a while, while you wait put in the new plugs/leads.

P.S. what is the correct gap for the XR6.


PRetty sure it's 1.1mm, but you can get onto the NGK website and check!
As for removing the battery, why go to that much effort, just disconect it, much easier (you'd have to do that anyways to remove it - but the act of removing the battery does nothing further, it's disconnecting it that cuts the power and lets the electronics reset themselves).

 

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Posted: Mon Apr 17, 2006 7:13 pm 
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from ngk site
Your Vehicle:
Ford Falcon EF 4.0L 6 Cyl., Tickford, XR6

Spark Plug Part No. Plug Gap
Recommended Plug ZGR6B-11 1.1

might as well spash out and get some new plugs
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Posted: Mon Apr 17, 2006 7:28 pm 
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The ZGR6B-11 plugs are recommended in the NGK book for 6 cylinder vehicles equipped with gas.

Unless between the most recent printing of the book and the last website update the NGK people have decided the Z plug is a more suitable plug, the EF/EL should use a B plug. I think it's a BPR6ES-11 or just BPR6E-11 I'll check at work tomorrow.

I know the Z plug is recommended for XF-ED models on gas that would normally use a BRE27Y-11 when on unleaded.

 

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Posted: Mon Apr 17, 2006 7:30 pm 
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BRE527Y-11 for standard use.
ZGR6B-11 for LPG powered or Tickford donks.

 

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Posted: Mon Apr 17, 2006 9:29 pm 
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check oxy sensor on exhaust. not sure how to check it but if its bung then it will run rich. no harm in doing plugs and other basic service things but you aren't going to pick up another 100 - 200km per tank from having good plugs.

you should be upwards of 500km/tank depending on driving style and traffic conditions.

 

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Posted: Mon Apr 17, 2006 10:19 pm 
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even if i baby it 350max

how to check oxy sensor?
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Posted: Wed Apr 19, 2006 2:48 pm 
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i did'nt even bother checking mine i just replaced it. i took it to like some mechanics and they charged me 100 bucks and told me it was running rich; which i already knew thats why i took it there. i asked if a new sensor would fix the problem, they said the rich fuel would come through and burn it out!!! i replaced it any way and that fixed up the problem, atm i'm trying to loosen the dizzy retainer so i can do some timming!

 

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Posted: Wed Apr 19, 2006 4:06 pm 
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You can use a megger to test the resistance of the leads...

My EF xr6 has motorcraft leads... what are the chances they are the original leads?? its done 180000km...
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