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intermittent motor knock


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Palm Coast, Fl
Vehicle Year
2011
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Ford
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2.3
Transmission
Automatic
i have a 00 3.0 4wd with 97xxx i just bought it. told there was a bad head gasket but still trying to figure that out my question is what would cause a random motor knock. a couple times when i started it. has happened both cold and warm i heard something like a motor knock. and same thing when turning it off sounds like a motor knock when turning off any ideas what could cause this
 


Earl43P

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See if it does that with the heater/AC Control selected to OFF when starting/shutting off.
 
Joined
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Palm Coast, Fl
Vehicle Year
2011
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Ford
Engine Size
2.3
Transmission
Automatic
it has always happened with the ac off i never have it on when i start the truck or turn it off.
 
Joined
Oct 27, 2009
Messages
87
Reaction score
0
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0
Location
Palm Coast, Fl
Vehicle Year
2011
Make / Model
Ford
Engine Size
2.3
Transmission
Automatic
alright so it does it all the time when i rev it fast in park. and anytime i rev the motor really hard it knocks any ideas anyone anything i should try
 

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