MY 1994 FORD F150 LIGHTNING HAS ME "SCRATCHING MY HEAD". I HAVE TAKEN THIS VEHICLE TO THE DEALERSHIP TWICE AND BOTH TIMES THEY CAN'T FIND ANYTHING WRONG. THERE ARE NO ENGINE LIGHTS ON EITHER.
FOR STARTERS THE CRUISE CONTROL DOES NOT WORK AT ALL! AT LOW RPM'S THE ENGINE FEELS LIKE IT IS EITHER RUNNING OUT OF GAS, HAS A SKIP OR SOMETHING NOT LOCKING UP IN THE TRANSMISSION(i'M NOT SURE). ALSO, AT CERTAIN TIMES THE TRANSMISSION WILL SHIFT VERY SMOOTHLY AND OTHER TIMES IT WILL SHIFT VERY HARD. SOMETIMES THE TRANSMISSION WILL JUST JUMP INTO NEUTRAL VERY BRIEFLY THEN IT WILL SLAM BACK INTO GEAR.
I'M NOT SURE IF THIS IS A SENSOR PROBLEM, TRANSMISSION PROBLEM, OR A PCM PROBLEM.
IF ANYONE HAS A CLUE TO THIS PROBLEM, PLEASE LET ME KNOW!

THANKS,
DONALD

 

first did they make a lightning in 94? does the fluid check ok. how many miles since the trans was serviced. Id start with that if its a while and take it from there. also make sure the cat not stopped up.