2001 Suburban Fuel Injection System


Old 03-13-02, 08:56 PM
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Question 2001 Suburban Fuel Injection System

I bought a Fuel Max kind of magnet for gas/mileage increase. It is supposed to be mounted over the gasoline supply line. Opening the hood, on top of the engine, on the right side, there are two incoming lines. Supposedly, the coldest one is the supply line and the other one the return, but it isn't that evident the difference of temperature. I mounted the magnet over the top incoming line. Please, if you can confirm that the top incoming line is the gasoline supply line and the lower one is the return line. I appreciate for your help. Sincerely, Florin.
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Old 03-13-02, 09:15 PM
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You can ask Joe F. about this he is a GM guru. Also I am curious about the gadget you have. Can you please post your findings & gains about this product. Thanks in advance.

Old 03-13-02, 09:45 PM
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The larger of the 2 lines is the supply line.

BTW, the Fuel Max and other so-called fuel saving gadgets like it are a waste of time and money. They simply don't work.

See the link below for more information.

FTC website
Old 03-14-02, 03:47 AM
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Complete waste of time and money. Doesn't do a thing. Oldest trick in the book.

A Suburban is what it is for fuel mileage. You will not enhance it for anything better. Ya don't buy a Burb for fuel mileage. It's a hauler
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