Limp mode 4.0


Joined
Feb 24, 2026
Messages
1
Points
1
City
Sandy
State - Country
UT - USA
Vehicle Year
93
Vehicle
Ford Ranger
Drive
4WD
Engine
4.0 V6
Transmission
Manual
Total Lift
4
Tire Size
31x10.5r15
My 4.0 feels like it is in limp mode, it’s a 4.0 manual swap and I did lifters in it and it starts and idles what seems okay but it’ll jump up and then shut off, but also driving it feels low on power, and will what seems like redline at 2.5k it just stops accelerating and sounds like it’s on redline but it’s only 2.5k, tach is fine and okay but I need some help, could it be not getting fuel correctly or?
 

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