just started to knocking?

2000 MERCURY BOBCAT
140,000 MILES
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WILDSTAR27
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  • 1 POST
i have a 2000 mercury villager estate and it just started to knocking when i crank it up and it heats up its shuts off ive tried a tune up it didn't work and a oil change i don't understand what it could be

its a loud kncoking sound the never over heats but when it warms up it shuts off?
Apr 30, 2012 at 8:27 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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