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Topic: misfire on 2.0 16v (Read 473 times) |
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sprog
Newbie
I love YaBB 1G - SP1!
Posts: 13
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misfire on 2.0 16v
« on: Oct 31st, 2004, 8:57pm » |
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i have an annoying misfire on my 96 2.0 16v ultima estate.the tickover is erratic,particularly when cold,and it coughs and splutters below about 3000 rpm.
if i put my foot down at low rpm it will accelerate very slowly until the 3000 mark,then take off like the proverbial scalded cat !
iv'e cleaned out the m.a.f. thingy with injector cleaner,but to no avail..............any thoughts,
cheers,john.
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: misfire on 2.0 16v
« Reply #1 on: Oct 31st, 2004, 9:22pm » |
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hi there
sounds like it could be an air leak at the egr or a blocked cat. have the 2 rubber pipes came off the egr pipework. they're sticking out of the exhaust heatshield?
hth
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sprog
Newbie
I love YaBB 1G - SP1!
Posts: 13
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Re: misfire on 2.0 16v
« Reply #2 on: Oct 31st, 2004, 11:00pm » |
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thanks,scoprpio_man.this egr pipe work,can i see it from inside the engine bay or do i need to look underneath the car ??
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Eddie
Full Member
Must try a different shampoo!
Posts: 495
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Re: misfire on 2.0 16v
« Reply #3 on: Nov 1st, 2004, 5:31am » |
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They poke out the front of the exhaust heat shield. Two stainless steel pipes with rubber pipes going to a unit on the inner wing. All visible from under the hood (bonnet?). Check them for holes or splits.
Also part of the EGR system is a mushroom shaped device at the rear/right of the engine,there should be a rubber pipe coming from this,check it hasnt been pulled off.
I would seriously consider very careful examination of ALL the wiring associated with the ignition system.Check it for missing and flaking primary insulation. Especially under the top cover,where the coils/spark plugs live.
eddie
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Eric_R
Administrator
Cosworth Owner 1998 - 2006 & site co-founder
Posts: 1792
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Re: misfire on 2.0 16v
« Reply #4 on: Nov 1st, 2004, 7:29pm » |
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Sprog,
The DOHC engines are prone to a misfire caused by the insulation breaking down on the Ignition circuit. This is called the Fuel Cut-off Loom, and is dealt with on http://www.fordscorpio.co.uk/dohcloom.htm
Try that first.
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