why is my '85 F-150 getting too much fuel

Asked by Sep 27, 2012 at 10:27 PM about the 1985 Ford F-150

Question type: Maintenance & Repair

i have a 1985 F-150 302 4 speed fuel injected it will start but it only runs good for about 5 seconds i
have replaced plugs, wires and the fuel pressure regulator. It wont idle. When i play with the gas it hits
and misses with about five second intervals where it wont miss then goes back to spitting and
sputtering. I have sprayed the vacuum hoses with carb cleaner and noticed no improvement so i don't
think it's a vacuum leak. PLEASE HELP!!!

1 Answer

30

Try cleaning the mas and the throttle body with cleaner. If there's dirt build up on mass air sensor and carbon build up on the throttle body that will cause that problem... Good luck

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

  • Mechanical 2 answers

    I have changed my fuel pump and filters. Why won't my 1979 F-150 start

    1979 Ford F-150

    -

    Maintenance & Repair

  • got fuel and spark but wont run all does is wanna fire 18 answers

    85 f150 turns over and fires but wont run

    1985 Ford F-150

    -

    Maintenance & Repair

  • why carb loading and backfiring when let off throttle on my 85 f-150 300 6cyl. 1 answer

    runs good when accelerarting when letting off fuel throttle carb loads up and backfires. when idling rpm revs up and down.and starts anytime!

    1985 Ford F-150 STD Standard Cab SB

    -

    Maintenance & Repair

  • Ford F-150

    I have a Ford F-150 it ran fine when I pulled in the driveway last night got up this morning to go to work and it wouldn't start its like its not getting any fire it is getting gas the fuel pump i...

    2007 Ford F-150 FX4 SuperCab Short Bed

    -

    Maintenance & Repair

  • What are the possibilities for an 85 300inline 6? 5 answers

    What are the possibilities for an 85 300inline 6 with 4 on the floor? Its in my 85 f150 4x4 and im stuck between a rock and a hard place i could score a 460 bigblock for next to nothin but ive been to...

    1985 Ford F-150

    -

    Car Customization

Search Ford F-150 Questions

Ford F-150 Experts

#1 OJ
OJ
Reputation 7,170
#2 dandyoun
dandyoun
Reputation 4,250
#3 tennisshoes
tennisshoes
Reputation 2,590
View All

Related Models For Sale

Used Ford F-250
487 listings starting at $3,975
Used Ford Mustang
302 Great Deals out of 45,096 listings starting at $2,000
Used Ford Ranger
193 Great Deals out of 6,268 listings starting at $1,300

Used Cars For Sale

2017 Ford F-150 For Sale
114,436 listings starting at $17,214
2016 Ford F-150 For Sale
148 Great Deals out of 30,328 listings starting at $8,950
2015 Ford F-150 For Sale
185 Great Deals out of 7,251 listings starting at $11,600
2014 Ford F-150 For Sale
417 Great Deals out of 12,113 listings starting at $9,995