C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Mat sensor

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Old Apr 7, 2009 | 10:41 AM
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Default Mat sensor

Help is needed, I placed a bigger cam and roller rockers in over the winter in my 86. I have it all back together and it sounds great. i removed the EGR and the pollotion pump. I put headers and removed the cats. This is my problem. I have a service engine soon light. It's telling me my mat sensor is having a problem. Well it turns out I have one wire I can't seem to find where it plugs in. The wire is my map sensor. I looked in the book and it tells me the sensor is in front of the distribotor. I just can't see where it plugs into. Does anybody or could someone take a picture so i can see where this dumb plug is at. Maybe just a little more detail of it's location.
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Old Apr 7, 2009 | 12:56 PM
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Are you sure it’s a MAP or could it be the MAT which plugs in under the plenum rear drivers side.
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Old Apr 7, 2009 | 11:36 PM
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I'm sorry I just mise spelled it. Sorry. I looked all over back there and just can't seam to see the plug in.
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Old Apr 7, 2009 | 11:48 PM
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It's a hard spot to get to, you might try taking off the dizzy cover to the plenum for more room
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