engine problems?
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Old September 4th, 2007, 09:16 AM   #1
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engine problems?


Has anyone ever heard of gas being on there upper intake manifold gasket ? Or do they know the cause of it or how to fix it ? My fuel injected 306 is doing this and am worried that this may become a serious problem. Any advice would be great.
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Old September 4th, 2007, 12:45 PM   #2
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i get small amounts in my upper intake but not alot just like a small coat
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Old September 4th, 2007, 01:12 PM   #3
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Verify your fuel pressure regulator is not leaking fuel through its vacuum line and being sucked into the intake. With only a small amount, it may be hard to verify. Do you have fuel or a strong fuel smell in the intake piping or around the throttle body as well?
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Old September 4th, 2007, 04:24 PM   #4
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yea see i only have a little bit in the intake you can barely even smell it
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Old September 5th, 2007, 12:43 AM   #5
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Its a pretty big amount but I checked the vacuum line to the regulator and there was nothing there not even a smell. I think my injectors are to big I have 30pd injectors and I think I should of went with 24's.
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Old September 5th, 2007, 12:49 AM   #6
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Fuel on your upper intake sounds like a leaking injector or line.
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