Hello, having problems with my grandfathers 94 ranger with the 4.0 v6. When your trying to accelerate around 1/4 to 3/4 throttle it hesitates real bad like it has no power. If you take of easy like under 1/4 throttle it seems to be ok. Also, if its hesitating and you go over 3/4 throttle it picks up power all the sudden takes off like its fine. I tried cleaning the MAF sensor (didnt seem dirty at all but tried it anyway) and the fuel filter has also recently been changed. I was starting to think maybe the TPS sensor, but im not sure. Any help would be great. Thanks.