Check engine light's been on for 3wks; 1998 GMC Safari what will it take to repair, see details

Asked by Jul 27, 2016 at 01:31 PM about the 1998 GMC Safari 3 Dr SLT Passenger Van Extended

Question type: Maintenance & Repair

code readout came up: Emission Control System: PO446: Vent circuit half; PO452: Pressure Sensor low; PO453: Pressure sensor high.

1 Answer

12,435

Evap... Vacuum Switching Valve on canister Check this first and or replace clear and scan again. This system "helps" burn off HC's from the fuel tank.

1 of 1 people found this helpful.

Your Answer

Add photo

Related Questions

Search GMC Safari Questions

GMC Safari Experts

#1 Deathjam4
Deathjam4
Reputation 200
#2 T_S_T
T_S_T
Reputation 110
#3 dandyoun
dandyoun
Reputation 80
View All

Related Models For Sale

Used Chevrolet Astro
197 listings starting at $1,300
Used Chevrolet Astro Cargo Van
135 listings starting at $2,900
Used GMC Savana
4 Great Deals out of 1,279 listings starting at $2,000
Used Chevrolet Express Cargo
67 Great Deals out of 12,017 listings starting at $2,500
Used Chevrolet Express
38 Great Deals out of 5,206 listings starting at $1,335
Used GMC Savana Cargo
28 Great Deals out of 4,191 listings starting at $2,295
Used GMC Sierra 1500
760 Great Deals out of 69,126 listings starting at $1,850
Used GMC Safari Cargo
40 listings starting at $4,995
Used Chevrolet Silverado 1500
1,764 Great Deals out of 181,202 listings starting at $250
Used Dodge Grand Caravan
168 Great Deals out of 26,542 listings starting at $2,300
Used Chevrolet Tahoe
559 Great Deals out of 31,371 listings starting at $1,500
Used Dodge Ram Van
118 listings starting at $2,195
Used Ford F-150
2,058 Great Deals out of 207,340 listings starting at $1,499

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.