My truck starts and stays running as long as i am pushing the gas. Why wont it stay running?

Asked by Sep 03, 2013 at 12:53 AM about the 1999 Ford F-150 XLT LB

Question type: Maintenance & Repair

It getting some gas to carburator
when pushing gas. But, dont get gas
when the gas is not push. What
would make this happen?

1 Answer

375

With my 1994 F150 302 v8, it was the bypass valve, near the intake manifold. Started out revving up high then nearly stalling on first start then evening out after warming up, went to clean it, and had to keep foot on gas afterwards to keep it running without having to touch gas. Easy to replace and reach. Since the 99 is a different engine, it may be different fix but try for that, shouldn't be too much different.

Your Answer:

Ford F-150 Experts

  • #1
    OJ
    Reputation
    10,510
  • #2
    dandyoun
    Reputation
    4,890
  • #3
    tennisshoes
    Reputation
    3,770
View All

Related Models For Sale

Used Chevrolet Silverado 1500
1,764 Great Deals out of 153,598 listings starting at $1,000
Used GMC Sierra 1500
712 Great Deals out of 60,946 listings starting at $1,395
Used Ford F-250 Super Duty
487 Great Deals out of 40,203 listings starting at $2,700
Used Toyota Tundra
452 Great Deals out of 39,317 listings starting at $2,800
Used Dodge Ram 1500
325 Great Deals out of 9,362 listings starting at $1,995
Used Toyota Tacoma
425 Great Deals out of 47,661 listings starting at $2,994
Used Ford Mustang
266 Great Deals out of 37,717 listings starting at $1,350
Used Ford F-250
392 listings starting at $4,995
Used Ford F-350 Super Duty
345 Great Deals out of 23,294 listings starting at $3,249
Used Chevrolet Tahoe
522 Great Deals out of 37,993 listings starting at $1,243
Used Ford Explorer
874 Great Deals out of 67,607 listings starting at $800

Used Cars For Sale

2016 Ford F-150 XLT LB For Sale
2 listings starting at $24,900
2015 Ford F-150 XLT LB For Sale
1 listings starting at $12,999
2014 Ford F-150 XLT LB For Sale
10 listings starting at $8,980

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.