Truck runs badly
10

Asked by Randy Jul 28, 2018 at 01:59 AM about the 1997 Ford F-150 Lariat LB

Question type: Maintenance & Repair

When cold my truck runs good , as it warms up it starts running bad and
missing in one cylinder and as I was it AC closes off . Any suggestions .

1 Answer
7,385

Brianator answered 5 years ago

Id start by using an inline spark tester to see of spark grows weak in one or 2 cylinders then check to see if you have a leaking fuel injector.

Mark helpful

Your Answer:

Related Questions

  • Truck runs badly 1 Answer

    When cold my truck runs good , as it warms up it starts running bad and missing in one cylinder and as I was it AC closes off . Any suggestions .

    1997 Ford F-150 Lariat LB

    -

    Maintenance & Repair

  • How to diagnose why F150 runs badly? 11 Answers

    I know nothing about Ford F150's so here I am, asking for help in how to determine why my daughter's 2001 F-150 4wd extended cab 5.4 liter engine starts easily but will not produce enough power to mov...

    2001 Ford F-150 XL Extended Cab 4WD LB

    -

    Maintenance & Repair

  • truck runs rough when it warms up 17 Answers

    i have a 2004 f150 with a 4.6 engine . the truck runs fine when i first start it but once it warms up it start to sputter when i give it the gas. the engine light is on but not blinking. any sugges...

    2004 Ford F-150 XLT SuperCrew

    -

    Maintenance & Repair

  • Truck runs 230 degrees any suggestions why? 4 Answers

    Changed radiator hoses and thermostat now truck runs 230 degrees and fans are on once warmed up and stay on I have good heat in the cab engine is warm but radiator is cold any suggestions it has t...

    2012 Ford F-150 XLT SuperCab 4WD

    -

    Maintenance & Repair

  • Why do my truck runs for 20mins and shuts off? 18 Answers

    I took a 5.0 motor out of a 89 ford pick up and put it in a 77 ford. I change the fuel injection back to carburetor is there anything else I need to I but a new extibutor cap and all runs for 20...

    1977 Ford F-150

    -

    Maintenance & Repair

Shortcuts

Search Ford F-150 Questions

CarGurus Experts

  • #1
    OJ
    Reputation
    41,990
  • #2
    Gene Arnett
    Reputation
    16,010
  • #3
    Rowefast
    Reputation
    15,540
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Sierra 1500
130 Great Deals out of 8,354 listings starting at $2,888
Used Toyota Tacoma
39 Great Deals out of 845 listings starting at $9,975
Used Dodge RAM 1500
5 Great Deals out of 87 listings starting at $5,000
Used Ford F-250
6 listings
Used Ford Mustang
47 Great Deals out of 1,575 listings starting at $5,999
Used Ford Ranger
29 Great Deals out of 742 listings starting at $4,400
Used Jeep Wrangler
144 Great Deals out of 5,808 listings starting at $6,495
Used Ford Explorer
55 Great Deals out of 1,700 listings starting at $3,888

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.