My intake manifold has been leaking for some time?

1999 FORD EXPLORER
206,000 MILES
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RMOORE09
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Hello, My intake manifold has been leaking for some time. it is both my lower and upper gaskets. It has been doing for around 15000 miles maybe around 10. What damage can this cause and how much longer do i have before it causes damage?
Nov 22, 2011 at 1:55 AM
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ASEMASTER6371
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is it leaking coolant or vacuum?? if it is coolant, you have most likely caused engine damage unless it has not overheated. if it got into the oil, then bearing damage may have resulted.

if it is vacuum, then it may be running badly. you should not have waited this long to repair it. after the gaskets are repaired, check for other codes.

Roy
Nov 22, 2011 at 2:06 AM
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RMOORE09
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Its a vacuum leak but it is running poorly. It still gets around 20 mpg which is good for a suv. I have two error codes telling me Bank 1 and Bank 2 too lean. How bad do you think it is? Will the really cold weather coming up affect it more?
Nov 22, 2011 at 2:08 AM
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ASEMASTER6371
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yes it will and with the poor running, you may do damage to the cat converter.

Roy
Nov 22, 2011 at 2:10 AM
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RMOORE09
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What kind of damage?
Nov 22, 2011 at 4:46 AM
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ASEMASTER6371
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overheating the converter requiring replacement.

Roy
Nov 22, 2011 at 12:49 PM
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