Compression Ignition Addict
Join Date: Nov 2011
Location: The great state of Warshington
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Unplugging the MAP sensor won't do anything for you on grades. It will give you a little more go off the line, but won't do anything for top end. Disconnecting it causes PCM to use a default value, which is somewhere in the middle of boost range. Higher MAP value will give you more fuel at first. Downside of this is the PCM needs to see boost to increase fuel at high RPM's.
Replacing it might solve your problem. Eliminating it won't.
Chrome don't get ya home
Last edited by backwoodsboy; 03-08-2012 at 09:02 AM.