I changed the plugs today and noticed what appears to be wet antifreeze on the cylinder #4 plug. This was the only wet plug out of the 8. Also ive had an oil smell when the heat is blowing.

10

Asked by Jan 29, 2014 at 12:37 PM about the 2007 Ford Crown Victoria Police Interceptor

Question type: Maintenance & Repair

Is this a head gasket issue? At 232000.
Miles.

9 Answers

135

If you smell oil in the vents, it usually needs to new valve covers or valve cover gaskets which are much more affordable than head gasket repairs. The valve cover issue may or may not be related to antifreeze on the plug. Good luck!

1 out of 1 people think this is helpful.
108,695

Does your oil look like a milkshake? Do you have oil in your coolant? I would suggest removing all the plugs and doing a pressure test on the cooling system. This will cause it to leak if it has a leak. If pressure drops you have a leak somewhere. If coolant appears in any of the spark plug holes while doing test you have a blown head gasket.

10

Oil looks normal. Also coolant looks good. What is the average cost of a pressure test?

1 out of 1 people think this is helpful.
108,695

Some local auto parts stores (auto zone, ect)will loan you the test kit. Very easy to do test yourself just make sure not to pump it up more than the psi for your cooling system. If unsure what it's psi range is look at your radiator cap. You should not go over whatever psi it is rated for.

108,695

Oh ok. Well maybe you will be ok. Did plug look like it was fouled out and not firing? If so that's liable to be all that's wrong just a bad plug with excess fuel residue on it.

1 out of 1 people think this is helpful.
108,695

Wet plug sometimes means that the fuel injector for that plug is sticking open when engine is off. Does your oil smell like gas? Did the plug smell like gas?

10

Engine light came on and came backwith multiple misfire cyclider which prompted me to change the plugs. They appear to be the original plugs after 232K. The gap was .090 on the old ones. Runs better now but still have the smell. Oil Doesn't smell like gas neither do the plugs.

108,695

Ok bad plugs might have been the issue all along. Are you sure its an oil smell? Could it be antifreeze you are smelling? If so heater core might have a small leak.

10

getting a PO305 error code on my 2002 Crown Vic, but can't find the damn spark plugs

1 out of 1 people think this is helpful.

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