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

Asked by Sinistrality 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

41,845

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 people found this helpful.

Your Answer:

CarGurus Experts

  • #1
    Deathjam4
    Reputation
    400
  • #2
    Guru5B9SS
    Reputation
    250
  • #3
    T_S_T
    Reputation
    200
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Savana
25 listings starting at $13,900
Used GMC Sierra 1500
130 Great Deals out of 8,124 listings starting at $5,500
Used Chevrolet Express Cargo
11 Great Deals out of 317 listings starting at $5,990
Used Ford F-150
321 Great Deals out of 13,756 listings starting at $4,888

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. Content will be removed if CarGurus becomes aware that it violates our policies.