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Cylinder #6 misfire.

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Old 04-18-2007, 10:48 AM   #1
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Default Cylinder #6 misfire.

Hey everyone. Good to be here. I got a 97 F-150 4.6L with a problem. The #6 spark plug galley keeps filling up with coolant every few months and causing the cylinder to die. I have to pull the plug and dry it off then it's fine for a while. I'm thinking head gasket or a crack somewhere. I can't see much when I look down the hole. It's not coming from above. Anyone else have a similar problem? Any help would be great. Peace!
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Old 04-18-2007, 12:56 PM   #2
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Originally Posted by claviz13 View Post
Hey everyone. Good to be here. I got a 97 F-150 4.6L with a problem. The #6 spark plug galley keeps filling up with coolant every few months and causing the cylinder to die. I have to pull the plug and dry it off then it's fine for a while. I'm thinking head gasket or a crack somewhere. I can't see much when I look down the hole. It's not coming from above. Anyone else have a similar problem? Any help would be great. Peace!
Look at your heater hoses really close. The F150s had a problem with them leaking into the spark plug holes exactly as you are describing. It would be really hard for a head to leak coolant into them.
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Old 04-18-2007, 01:14 PM   #3
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the one that usually leaks is on the back let side of the motor.
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Old 04-18-2007, 02:26 PM   #4
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Look at your heater hoses really close. The F150s had a problem with them leaking into the spark plug holes exactly as you are describing. It would be really hard for a head to leak coolant into them.
I know about that flaw. It's not coming from a hose. It's not dripping from up top. The exteroir of the motor is dry. No leaks at all.
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Old 04-18-2007, 06:02 PM   #5
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well, the coolant hose problem is always related to the #6 cylinder in all of the cases I have read about
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Old 04-18-2007, 07:57 PM   #6
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well, the coolant hose problem is always related to the #6 cylinder in all of the cases I have read about
I'm curious how this is possible because the coolant hose is on the passenger side of the truck. You're thinking about #4.
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Old 04-23-2007, 08:28 PM   #7
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Old 10-21-2008, 01:21 AM   #8
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Ended up being the intake mainifold gaskets. I'm surprised nobody knew that.
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Old 10-21-2008, 02:16 AM   #9
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waa waa waaaaaaa
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Old 10-21-2008, 11:37 AM   #10
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