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Old 03-05-2010, 01:44 PM
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Rick Miley Rick Miley is offline
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Join Date: Jun 1999
Location: Land O Lakes, FL
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I've only been sort of half following this thread, but don't recall anyone saying anything about the heat exchanger. My 99 has two paths for the fuel system, and I think the path is dependent on coolant temperature. When cold, it goes through the heat exchanger to warm the fuel, and when hot it does not. If the car(s) in question have the same sort of setup, you might want to check for a bad coolant temp sensor or for leaks in the lines going to and from the heat exchanger, or possibly a bad heat exchanger itself.
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Rick Miley
2014 Tesla Model S
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