Running lean?

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22-06-2016, 05:34 PM

oriont

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Running lean?

Just took the 4 branch manifold off my Orion Efi and cylinders 134 are black and sooty but number 2 is clean and grey. Car is running with misfire that I've been unable to diagnose. Would anyone think that there might be an injector problem on number 2?
Thanks
Dave

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02-07-2016, 10:42 PM

Oldrustyfords

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Maybe coil pack........but u can get the injectors tested in

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03-07-2016, 10:54 AM

martysmartie

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Is the ignition ok?

Martin

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03-07-2016, 05:34 PM

costina

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Take spark plugs out look down bores is the top of piston really clean?
Are you using coolant?
You know what i am going to say next.

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06-07-2016, 11:25 AM

oriont

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Strangely coolant does drop from full mark on header tank to lower level but then stays there and had head off a few weeks ago to check but all looked fine.
Surprise could try swapping injectors around.
Dave

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