94 bird 4.9 fouling #2 plug please help

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94 bird 4.9 fouling #2 plug please help

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Ford Forums >> Ford Cars >> Ford Thunderbird >> 94 bird 4.9 fouling #2 plug please help

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94 bird 4.9 fouling #2 plug please help - 10/1/2007 2:25:14 PM

jonrock

Posts: 2
Score: 0
Joined: 10/1/2007
Status: offline

I'm stumped. I have a problem with my #2 cylinder. It just fouls the plug.
Heres what I did.
Swapped coils.
swapped injectors with a different cyl.
Changed the plugs and wires
Did a compression check... all good.
looked at the cam and rockers ..seem fine.

Could I have a problem with the edis module or ecm. Being it fouls to the point that gas comes out the exhaust I don't drive it. No codes due to the battery being out. all the other cylinders are good. the wire is sparking well when i remove it from the plug while running.

I don't know where to go from here. any suggestions?
94 bird 4.9

Post #: 1

RE: 94 bird 4.9 fouling #2 plug please help - 10/6/2007 3:05:26 PM

goinstrong

Posts: 943
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Joined: 2/24/2007
Status: offline

4.9? You mean it has a 300 cubic inch truck engine? Or did Ford make a smaller block than 302 that year? Oh well at any rate the plug is fouling - with oil? or blowing off the metal tip completely? (detonation) Plus if the battery is out how do you start it?

(in reply to jonrock)

Post #: 2

RE: 94 bird 4.9 fouling #2 plug please help - 10/6/2007 4:07:21 PM

jonrock

Posts: 2
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Joined: 10/1/2007
Status: offline

sorry its a 4.6. Fouls with gas, as if the plug was not firing, but it is.

(in reply to goinstrong)

Post #: 3