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Old 06-01-2007, 05:20 PM
dozar21 dozar21 is offline
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Re: 1998 GMC Suburban Problems!!!

Ok here are the codes!!! I FOUND THE PAPERS!!!!

P0172 Fuel Trim Bank One Condition
p0175 Fuel Trim Bank TWO Condition
p0300 Cylinder Missfire Random Cylinders


WILL A LEAKING INAKE MANIFOLD GASKET CAUSE THESE PROBLEMS!!!

Also!! My rapid Leak down is while im holding the RETURN LINE TO THE FUEL TANK!!! I Just put a brand new fuel pump in there!! So I know its good!! WHen I start the burn up!! It has 62-64psi and then when its running it goes down to like 57 and then when I turn it off it goes down straight to 0 withing minutes!!

So what do yall think!! PLEASE HELP!!

Thomas
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