what would cause my 81 ford f100 to fail pressure test

Asked by Jun 19, 2017 at 07:06 PM about the 1981 Ford F-100 Standard Cab LB

Question type: Maintenance & Repair

my truck passed all of the emissons test except pressure, also both caps failed

1 Answer

120,705

Gas tank pressure test? If so there is a leak somewhere. Maybe a filler neck hose but more likely a EVAP system issue.

Your Answer:

Ford F-100 Experts

  • #1
    tennisshoes
    Reputation
    540
  • #2
    MrBlueOval
    Reputation
    330
  • #3
    Rowefast
    Reputation
    290
View All

Related Models For Sale

Used Ford F-150
2,227 Great Deals out of 186,956 listings starting at $1,200
Used Ford F-250
395 listings starting at $3,450
Used Ford Mustang
352 Great Deals out of 39,215 listings starting at $1,995
Used Chevrolet C/K 10
322 listings
Used Ford Bronco
212 listings
Used Chevrolet Camaro
297 Great Deals out of 26,877 listings starting at $2,700

Used Cars For Sale

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.