Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

High MAP at idle

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Old Jan 8, 2008 | 12:10 PM
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FASTFATBOY's Avatar
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From: Mobile, Ala..USA
High MAP at idle

This car out of the blue started running very rich at idle. No codes but MAP is reading 80 ish KPA at 1000 rpm,at 850 rpms in goes into the 90's KPA it really will not idle on its own. Tries to foul plugs.


WIll die at a stoplight, cleans itself up about 2800rpms.

I have Super Vic and a sheetmetal elbow. I checked the line to the MAP and it is fine....pinhole in the MAP diaphram?


David
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