Ford e150 rough running after 1 hour or so in real hot weather, already changed fuel filter?

Question

I have a 1993 ford e150 van with a 302 engine. It seems that after hour or so driving in real hot weather coming from work (traffic/temp 100 degrees) that van feels like it is going to stall, runs like it is running out of gas. Usually can stop for few minutes and starts right up and sometimes no problem and sometimes still feels like out of gas and runs rough, next day in morning starts right up and no problem driving 40 miles to work. Seems related to when it is real hot, temp gauge reads normal, could it be vapor lock or some sensor? Check engine came on once when was running rough but after got up to speed it went out. Any ideas, already changed fuel filter, seemed like that helped but like I said only happens on way home from work after hour of being in traffic do symptoms appear, otherwise runs good everday to from work
Thanks for any help you can offer.

Answer 1

Flush out your radiator, change your thermostat, and put in new coolant. Sounds like heads are getting a little too hot giving you predetionation. Or your exhaust is getting too hot causing an erronous reading on your 0-2 sensors which in turn causes your on board computer to adjust timing making it a little off.
But it all goes back to your cooling system. And while you are at it that will be a good time to check your radiator hoses and change them as well.

Answer 2

Older model fords are famous for vapor locking in the heat, no sure about the newer models. Sorry, but I would not by a ford.

I have been keeping a list of vehicles broken down on the side of the road for over 30 yrs and you guess it, ford has a commanding lead, 12 to 1 over chevy. I know that the foreign cars didn't really find their way to America till the last 15 yrs or so, but you hardly ever see one broken down either. Most of the vehicles in this area are ford and chevy; however, if you do some stats on it, ford till sux, badly.

You should be able to take it to a ford dealer and have them put it on a computer to find out exactly whats wrong with it for about $100. If its too old for the computer check, call the dealer and explain that it only does it when it's hot. Then make arrangement to drive it in after work while it's doing its thing or have the mechnic drive it while it hot outside. I would try to have it set up so that someone could hop in with you when its acting up.

Answer 3

For the stalling take a fuel line hose and split it. Run it over the fuel line to protect it form the heat of the engine.An old trick used to be wooden clothes pins on the fuel line. But todays cars are a little different. The best place for the fuel hose is along the line anywhere the engine cold generate a lot of heat. If the fuel line runs close to the head be sure to put it along that area.
Goodluck my friend.

Answer 4

check the ignition timing.

Answer 5

freshen up the ignition system first... plugs,wires,cap,rotor,and coil...

Answer 6

coolant

Answer 7

buy a toyota ?????/