Misfire/shuddering/ hesitation
#1
Member
Thread Starter
Misfire/shuddering/ hesitation
Hi guys,
I have a 93 F-150 5.0 4x4. The issue I'm having is that whenever I'm accelerating while in 4th gear but below 40 mph, my truck hesitates a little bit to pick up speed and I feel shuddering or misfiring. I changed the spark plugs and it helped a little bit but I would like to know what I need to do to fix this issue. Any help would be appreciated. Thank you.
I have a 93 F-150 5.0 4x4. The issue I'm having is that whenever I'm accelerating while in 4th gear but below 40 mph, my truck hesitates a little bit to pick up speed and I feel shuddering or misfiring. I changed the spark plugs and it helped a little bit but I would like to know what I need to do to fix this issue. Any help would be appreciated. Thank you.
#2
Hi guys,
I have a 93 F-150 5.0 4x4. The issue I'm having is that whenever I'm accelerating while in 4th gear but below 40 mph, my truck hesitates a little bit to pick up speed and I feel shuddering or misfiring. I changed the spark plugs and it helped a little bit but I would like to know what I need to do to fix this issue. Any help would be appreciated. Thank you.
I have a 93 F-150 5.0 4x4. The issue I'm having is that whenever I'm accelerating while in 4th gear but below 40 mph, my truck hesitates a little bit to pick up speed and I feel shuddering or misfiring. I changed the spark plugs and it helped a little bit but I would like to know what I need to do to fix this issue. Any help would be appreciated. Thank you.
#3
Member
Thread Starter
It only happens when I'm already in 4th and accelerating between 35 to 40 mph. If I accelerate harder and it down shifts, I don't feel it. Thanks for the responds by the way.
#4
Any check engine lights? I'm not super familiar with the OBD-I but I know on OBD-II you rarely get a misfire without some sort of CEL
#7
Member
Thread Starter
I had the same issue with my 05' f150 and it was an ignition coil that went bad. So I replaced it and everything was good but the 5.4 has a coil for each plug and my 5.0 doesn't.
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#8
Yeah that's what I was going to recommend next. I would say check your fuel pressure and change your fuel filter. Both are pretty easy to do and if you change it and your pressure is good then you can rule out fuel and then maybe move on to electrical.