I have a 92 F-150 351 V8 with auto trans (E40D). I am experiencing slow
acceleration in the first couple of gears. If I press the gas pedal
slowly acceleration is fine but when the gas pedal is pressed past a certain
point the truck seems to get bogged down. If I then let up on the
gas pedal it seems to recover and start to accelerate again. I can hear the
fuel pump turn on when I turn the key to the on position, all fuses
seem to be OK. This is most noticable in the last half of the first gear
and through the second gear when the RPMs are high. At higher speeds
(45 and up) it isn't so noticable until I get to a steep grade, but it
doesn't usually get as bad on a grade as it does in second gear.
Anyone have an idea what to check or what the problem is?