Question about 1996 Ford Thunderbird LX

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96 Tbird misfiring cyliner #4 with leaking coolant

The other day i first noticed a very noticeable clunk and hesitation while driving. At first i thought it was the tranny or tourque conv. I had it hooked to a cpu at autozone and they said my #4 cylinder was miss firing. I was told to replace the coil pack, spark plugs, and plug wires. Well ive yet to replace them. Reason being, i pulled the #4 plug out to investigate. When i pulled the boot off the plug it was coated in coolant and the cavity the plug is in was filled with coolant. I then took the plug out and it didnt appear to have any coolant on it and looked to be in good condition. I just replaced the plugs a month ago. My question is, where is the coolnt coming from? Im hoping its just and external hose leak or somthing and not something more serious. And also, ive drove approx 100 miles with it like this. Will that damage nething? Its a 1996 Ford Thunderbird with a 4.6 Litre V8. ThankYou

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  • jrange Oct 02, 2009

    If it was a leaking head gasket wouldnt it be in the oil? Ive only seen the coolant on the outside of the engine. With the spark plug still installed there is coolant in the hole on top of the plug where the boot connects to the top of the plug. Thats why i was thinking and hoping it was just a hose or something located near the plug leaking. I dont know.

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Possibly leaking head gasket,moisture is causing missfire

Posted on Oct 02, 2009

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