ford f150 4x4 idle issues

Asked by max1955 Aug 10, 2014 at 03:22 PM about the 1992 Ford F-150 STD 4WD Extended Cab SB

Question type: Maintenance & Repair

I have very eratic idle issues than truck shuts off. I have replaced the idle and throttle sensors. also have good fuel pressure. don't know what the problem is?

2 Answers
61,205

Andrew answered 10 years ago

would almost bet money your vacuum lines are brittle and leaking somewhere. I had an 88 5.0fi, i couldn't find any vacuum leaks. I took off the upper intake and redid every vacuum line I could and it fixed it

Mark helpful

Mrushing3 answered 6 years ago

how do you locate the vacuum line that is bad? ive tried and replaced alot oif them, no help...some have no suction though, is this my problem?

Mark helpful

Your Answer:

Related Questions

  • ford f150 4x4 idle issues 2 Answers

    I have very eratic idle issues than truck shuts off. I have replaced the idle and throttle sensors. also have good fuel pressure. don't know what the problem is?

    1992 Ford F-150 STD 4WD Extended Cab SB

    -

    Maintenance & Repair

  • 1999 Ford F150 4x4 Lariat 1 Answer

    Why does my Ford f150 tremble when i start to drive? I have to push the gas 3 times for it to go past 20 mph.

    1999 Ford F-150 Lariat 4WD Extended Cab SB

    -

    Maintenance & Repair

  • 1998 ford f150 xlt 4x4 4.6l 1 Answer

    I have a 1998 ford f150 xlt 4x4 with the 4.6l triton the problem I'm having is with it draining the battery dry it's as if it has a battery charger hooked to it the truck runs fine no problems but ...

    1998 Ford F-150 XLT 4WD Extended Cab SB

    -

    Maintenance & Repair

  • 2017 Ford F150 5.0 Starting issues. 1 Answer

    I have a 2017 F150 XL 5.0, 166,000 miles on it having starting and stalling issues. When I first start the guy in the morning it will eventually start but with the ford wrench appearing. After about...

    2017 Ford F-150 XL 4WD

    -

    Maintenance & Repair

  • 88 ford f150 runabilty issues 1 Answer

    My truck sat for some time then I had all the wiring and 4 Injectors replaced..it ran great. I drove it yesterday and it started idling high then when I shut it off it was hard to start back up a...

    1988 Ford F-150 S Standard Cab SB

    -

    Maintenance & Repair

Shortcuts

Search Ford F-150 Questions

CarGurus Experts

  • #1
    OJ
    Reputation
    42,520
  • #2
    Gene Arnett
    Reputation
    16,040
  • #3
    Rowefast
    Reputation
    15,860
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Sierra 1500
138 Great Deals out of 7,231 listings starting at $3,950
Used Ford F-250
7 listings
Used Ford Ranger
18 Great Deals out of 1,553 listings starting at $2,888
Used Ford Mustang
61 Great Deals out of 1,274 listings starting at $4,995
Used Ford Explorer
78 Great Deals out of 2,097 listings starting at $2,999

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.