i have a 1988 for f150 and it has great power up until 40 mph. after that it sharply goes down and i speed up slowly. this is a problem especially when i am towing or hauling anything and trying to get up to highway speeds. what can i do to change this. it is a 5.0 V8 with a 5 speed manual tranny

Asked by rednex426 Jul 11, 2012 at 08:49 AM about the 1988 Ford F-350

Question type: Maintenance & Repair

5 Answers

995

I would say some restriction in fuel flow either filter, injectors, or fuel pump.

18,005

I agree on the fuel flow issue. The reason I stated fuel filter is because it's the cheapest to replace, and part of regular maintenance. A good place to start from.

Your Answer:

F-350

Looking for a Used F-350 in your area?

CarGurus has 107 nationwide F-350 listings starting at $6,599.

ZIP:

Own this car?

Share your experience with others.

1988 Ford F-350

Review another car

CarGurus Experts

  • #1
    Gene Arnett
    Reputation
    300
  • #2
    BoholMark
    Reputation
    290
  • #3
    Guru932YH
    Reputation
    260
View All

Know more, shop wisely

Search

Related Models For Sale

Used Ford F-250
211 listings starting at $7,495
Used Ford F-150
6,057 Great Deals out of 129,349 listings starting at $1,100

Used Cars for Sale

1997 Ford F-350 For Sale
31 listings starting at $6,599
1995 Ford F-350 For Sale
17 listings starting at $14,438

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.