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1998 Chevrolet Monte Carlo map sensor

Tiny
FALCONNEST1
  • MEMBER
  • 1998 CHEVROLET MONTE CARLO
  • 3.1L
  • V6
  • FWD
  • AUTOMATIC
  • 150,000 MILES
I replaced lower intake manifold, and hooked up everything, except I can not find the wires that plug into the map sensor.I pulled the coil pack off and still can not find the wires. Do you know where I might find them?
Tuesday, November 25th, 2014 AT 12:37 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check by the firewall it may have fell down they sensor is on the firewall side check the area that arrows point to in pic. Hopefully you didn't put them under the intake as it may be there as well
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Tuesday, November 25th, 2014 AT 3:21 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That lead come out of the harness that runs under the intake so that's probably where it is.
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Tuesday, November 25th, 2014 AT 3:57 PM
Tiny
FALCONNEST1
  • MEMBER
  • 2 POSTS
Thank -you so much. It is under the upper intake, so I will have to take the upper intake off again to put it in place. I hope I can use the same upper intake gasket or is that a bad idea?
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Tuesday, November 25th, 2014 AT 7:10 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Go ahead and reuse it, just torque it correctly and spray some choke cleaner around it to make sure no vacuum leak.
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Wednesday, November 26th, 2014 AT 6:28 AM

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