High Altitude Emission Equipment

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stvaughn

Junior Member
Joined
Feb 7, 2025
Posts
6
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21
Location
West Tennessee
First Name
Steve
Truck Year
1990
Truck Model
V1500
Engine Size
350
I’m looking at a 1990 Suburban, what does High Altitude Emissions Equipment mean?
 

Tank6x2

Supporting Member
Supporting Member
Joined
Mar 27, 2017
Posts
957
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986
Location
Edmonton Alberta Canada
First Name
Kurt
Truck Year
79/86
Truck Model
C30
Engine Size
350, TH400.4:10 gears 2WD
Check the manual here in the forum, I’d assume something with the TBI
 

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