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View single post by 410customs
 Posted: Mon Jul 20th, 2020 09:49 am
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410customs
Idahome


Joined: Wed May 2nd, 2018
Location: Panhandle, Idaho USA
Posts: 2165
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The 4.0 OHV never had a map sensor
manifold absolute pressure sensor, the last year I saw one of those was 1990 which was also the last year of the 2.9L 
Your Torque Pro app must be calculating/guesstimating intake vacuum?
This is strange!! Now I need to know how you can monitor vacuum!!!!!!!!!



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I build custom RBV, specializing in drivetrain conversions, wiring, suspension and complete custom trucks