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International Automotive Technicians Network
1995 Chevrolet Blazer 4.3L MIL Lamp on
Posted to GM Driveability on 7/24/2003 4 Replies

Hello fello Techs,

I'm wondering what vacumm threshold that the switch changes status. The one on this vehicle changes from open to closed ststus at approx. .5 in. HG. Is this correct? Thanks in advance to anyone who cares to respond.

4 Replies Received (View Replies)

  Related Documents & Media  1995 Chevrolet Blazer

 
Message Closed w/FIX

car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNDT13W45
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsNot OBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.S10 Blazer

Trouble Codes

1442vacuum switch status does match command
Message Closed w/FIX

car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNDT13W45
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsNot OBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.S10 Blazer

Trouble Codes

1442vacuum switch status does match command