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4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

car is missing

Old 05-29-2006, 09:32 PM
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Default RE: car is missing

I looked all around on the thermostat and all over the intake and i saw no cracks, someone put some silocone around the thermostat so that might be covering it up. Also it is not spraying anything anywhere it just apeared in my plug sockets. Would this mean that it could be the headgasket afterall.

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Old 05-29-2006, 09:44 PM
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Default RE: car is missing

As soon as you said you were missing every so often and when it warmed up. That's definately a coolant issue. Collant flows when the engine heat up. Sounds like you have a leak or crack in your intake if there isn't coolant in your oil. Check the oil cap on the inside. See if it has a white colored sludge...If so, you have a cracked head or leaky head gasket. The leak might not be bad enough to show on the dipstick, but will definately be on the underside of the cap from evaporation

If the coolant is setting down in the sleeve of the spark plug and not actually on the inside of the head, you have a leak externally.
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Old 05-30-2006, 10:53 PM
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I reserched a found out that I missed the recall by one year for the intake, it was affective for 7 years and ended in 2005. How much am I looking at to get it replaced at a ford dealer, price of part plus labor?
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Old 05-30-2006, 10:59 PM
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I know this is slightly off topic, but a GREAT way to check your engine for a mis-fire:

-Start your car
-Get up to operating temperature
-SYSTEMATICALLY pull each plug wire individually. Before moving on to the next cylinder, re-install the plug wire..
- If the engine slows down, or gets worse, that's not it
- If the engine does nothing, you've found your bad cylinder...

The rest is up to the problem.. Injectors, plugs/wires, coil, igniter; all of these cause misfires, among the 100 other things that could...

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