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High Wheeler
07-27-2016, 08:36 AM
hey guys was wondering if I can get some help from you ford guys.

I have a ford f150 that while under load hesitates and sputters after it warms up. it idles fine but when I pull away from a stop sign or if I need to step on the gas it sputters.

it's motor is a straight 6 efi and I have changed the fuel filter and O2 sensor and I am at a lose. it's not throwing a check engine light and there are no codes coming up.

if you start it cold and drive it the truck runs great and drives normal for about 10-15 minutes then all of a sudden it starts hesitating. if I stop the truck it idles fine and RPM's are normal but driving it hesitates and sputters

any idea what I might look for???? or any ford mechanics willing to have a look at it???

thanks in advance

epic3
10-24-2016, 12:03 PM
MAP sensor

4skin
10-24-2016, 03:16 PM
Shure hope he figured it out by now phil

epic3
10-24-2016, 04:05 PM
prob not. Hes a fibc member. I got plenty of broken cars and trucks. Im sure you do too lol

4skin
10-24-2016, 05:25 PM
Spankys old man lol so hes kept busy lol

epic3
10-24-2016, 08:24 PM
hahaha

96_z71
10-25-2016, 06:32 PM
Hesitating under load can be an ignition issue. Check condition of plugs wires cap and rotor then go from there.


Oh. Just saw this post was from July...