what could be cause of power loss on a 4.9 6 cyl 1990 model

Asked by May 15, 2017 at 02:44 PM about the 1990 Ford F-150 XLT Lariat SB

Question type: Maintenance & Repair

1 Answer

115,985

Almost anything. Maybe it needs a tuneup and filter change. Low compression or a clogged up catalytic converter will cause major power losses. Dirty fuel injectors are also a possibility.

Your Answer:

Ford F-150 Experts

  • #1
    OJ
    Reputation
    10,850
  • #2
    dandyoun
    Reputation
    4,970
  • #3
    tennisshoes
    Reputation
    3,890
View All

Related Models For Sale

Used GMC Sierra 1500
819 Great Deals out of 60,466 listings starting at $1,495
Used Ford Mustang
308 Great Deals out of 40,433 listings starting at $1,000
Used Ford F-250
401 listings starting at $3,495
Used Ford Explorer
933 Great Deals out of 71,663 listings starting at $695

Used Cars For Sale

2018 Ford F-150 For Sale
119 Great Deals out of 126,318 listings starting at $17,290
2017 Ford F-150 For Sale
148 Great Deals out of 8,069 listings starting at $15,151
2016 Ford F-150 For Sale
229 Great Deals out of 9,796 listings starting at $14,500
2015 Ford F-150 For Sale
290 Great Deals out of 11,652 listings starting at $9,950
2014 Ford F-150 For Sale
354 Great Deals out of 9,991 listings starting at $7,995

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.