Overheating
Have 05 Ford F150 4.6 Triton. When idling
with or w/o a/c on, does fine. Get on open
road, excelerate under a load, gauges rise,
a/c stops blowing as cold & takes about 1
minute or less to get in red. Have replaced t
stat, water pump, temp sensor & radiator
cap. Found deflector under/btween radiator
& engine gone. Think removed when bumper
replaced about a month ago. Putting new
one on tomorrow. If that doesn't help, what
do you suggest?