Take the Vac line off of the EGR. If the engine runs good then the EGR is bad, Or the cheaper fix, The vacuum control valve. Located in the middle of the block at the rear. You can follow the vac line around the rear of the motor to the controller. To test the vac control take the elect plug off of it, Start it up, If you still have vacuum at the EGR line, The vacuum control is bad. It sells for around $40.00.
A clogged fuel filter can cause a 1989 Ford F150 XLT Lariat 351 Windsor motor to feel lazy and sluggish up to 45 miles per hour. Fouled spark plugs can also cause this issue.
approximately 4013 lbs.
fuse boxs ford f150
how do i remove the computer on a 1989 ford f-150
It could be done, yes.
front passenger site
Yes.
1989 Frod F150
No, the bolt 219 W is not the correct size bolt for the 1989 Ford F150. The bolt pattern for that make/model of vehicle is 5.5 x 5 lug. The F150 is one of the larger trucks that Ford manufactures.
Check your vacuum hose.
Fill reservoir 1/2 pint?
check to see if the fuse is bad