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Map sensor

Tiny
SOFER
  • MEMBER
  • 1990 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
Will a bad donut in the exhaust affect the map sensor?
Saturday, December 11th, 2010 AT 3:53 PM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
If something blocks the exhaust, it can effect vacuum. Check the sensor circuits, also vacuum.
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Saturday, December 11th, 2010 AT 4:17 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Something organic like a donut will burn up and be expelled rather quickly, run a scan and check for unresolved fault codes, as JDL says a vacuum leak will affect a MAP sensor as well.

Mark (mhpautos)
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Tuesday, December 14th, 2010 AT 8:19 AM

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