I have a 2004 Ford F150 5.4 trition V8 ext. Cab

Asked by Aug 07, 2017 at 07:11 PM about the 2004 Ford F-150 XLT Ext. Cab 4WD

Question type: Maintenance & Repair

my ford has over 255,000 miles, it gets 350 miles on a 22 gallon tank. I know I have a vacuum leak an the fifth coil that is misfiring. After it warms up in sputters a little til I accelerate which I know is the coil. It also stahls out at stops or backing up, an sharp corners. But stopped after we put in the oil. its done fine til my hubby checked the oil an there was none. So he thought there was a leak so I had put in the stop leak with 6 quarts of oil. well when we went out I noticed that there was lots of oil on the ground. so I know I needed to put more oil in any way so I put another 45quarts plus another stop leak which it says 1 for every 4-5 quarts. Then again there was lots of oil on the ground. I did not check the oil an put more oil in an another stop leak. But I put in 5w 20 like it said, my hubby had put 10w 40. well its over full. so after dropping my hubby off at work it started sputtering an stalled out an know will not start back up. its turning over an its almost there but ive tried all day an nothing. Could it be to much oil an different oils. I remember when I was younger having to put an additive in it. My hubby is no help right know. Cause he knows he messed up. or is it something else. Sorry for the long post wanted indepth look.

2 Answers


How much oil is it leaking? Drain the excess oil but I think you need to fix the leak and do a tune up and install at least one new coil.


Your engine may have the old three part plugs where the electrode protrudes way down in the cylinder with about one inch of neck with no thread. With that many miles, and who knows how long since a last spark plug change, carbon buildup around the neck will probably have the plug stuck in at that point. It is very easy to break the neck off inside the head which is very expensive to repair. I know the 3 valve engines have these types of plugs. Best to have a mechanic change the plugs and the labor will probably be expensive due to the changes of breaking a plug or more inside the head.

Your Answer:

Ford F-150 Experts

  • #1
  • #2
  • #3
View All

Related Models For Sale

Used Chevrolet Silverado 1500
90 Great Deals out of 11,140 listings starting at $4,950
Used GMC Sierra 1500
76 Great Deals out of 10,308 listings starting at $4,900
Used Ford F-250 Super Duty
22 Great Deals out of 858 listings starting at $3,995
Used Toyota Tundra
31 Great Deals out of 1,486 listings starting at $4,500
Used Dodge Ram 1500
37 Great Deals out of 527 listings starting at $2,500
Used Toyota Tacoma
21 Great Deals out of 1,732 listings starting at $6,413
Used Ford Mustang
34 Great Deals out of 1,249 listings starting at $4,685
Used Ford F-350 Super Duty
17 Great Deals out of 1,261 listings starting at $6,999
Used Chevrolet Colorado
9 Great Deals out of 2,344 listings starting at $3,995
Used Nissan Titan
27 Great Deals out of 888 listings starting at $4,960
Used Ford Explorer
30 Great Deals out of 1,769 listings starting at $2,500
Used Chevrolet Silverado 2500HD
12 Great Deals out of 1,183 listings starting at $3,500
Used Chevrolet Tahoe
11 Great Deals out of 796 listings starting at $5,900

Used Cars For Sale

2018 Ford F-150 For Sale
14 Great Deals out of 7,549 listings starting at $25,749
2017 Ford F-150 For Sale
10 Great Deals out of 474 listings starting at $14,984
2016 Ford F-150 For Sale
11 Great Deals out of 950 listings starting at $18,997
2015 Ford F-150 For Sale
9 Great Deals out of 552 listings starting at $19,900
2014 Ford F-150 For Sale
24 Great Deals out of 443 listings starting at $12,800

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.