My engine is overheating how do I fix it?

Thank you for this post, I had this problem and had to get a new radiator cost me 134.00 all fixed!

I have a 2007 Ford Ranger Sport with a 3.0 V6, it only has less than 27,000 miles on it. The water in the reservoir boils but it's not hot, it's just a lot of air pressure, also I have to keep adding water to the radiator because it evaporates out. The temperature gauge goes up then back down again?

I need to know what to do?

I love this site :-)

My truck is over heating even after changing radiator and thermostat.

Engine Cooling problem
2005 Ford Ranger 4 cyl Four Wheel Drive Manual 72.000 miles

engine seems to be running hot, but the temperature gauge is normal, bottom hose is cold, think it might be thermostat closed, but not sure exactly where the housing for thermostat would be, think it is bottom hose?

My car showed obd codes of p2004 and po171, but still seemed to be running fine. I was driving at highway speeds and the engine overheated. It still had plenty of fluid in the cooling system. I let it cool down, then started it up. It ran terribly. It dies at idle speeds and barely runs with the accelerator halfway down. It now shows the previous codes plus p0316, p0300, p0301 and p0302. I suspect a blown head gasket, but no water leaking from around the head or coming from the tailpipe. From the codes I know that cylinder 1 and 2 are misfiring. What is going on and where do I start?

Why do I have to rely on my honda when my fords go out every other month. My ranger is having serious issue out of the blue I thought about testing the spark with the driver and the plug cause I was thinking coil pack maybe but im tired and exhaust from keeping putting money into this pos. I did all the bodywork and painted it to get it ready for sale. The truck ran fine but was down for a week for me to do the body and paint and I **** you not the day I took it out of my paint booth the problems started. So I started with fuel pump and replaced everything on up to the cylinder heads. I replaced every vacuum line as well and thermostat housing for the overheating problem which I dont think you addressed with yet I have to go back to ur reply, sorry, along with replacing the radiator and all hoses for that. I only wanted 3 grand for it and its worth much more but I have to keep jacking the price up cause I have to keep putting money in it. Flustered as hell man.

I have a problem, replaced radiator, still overheating top hose getting hot, bottom hose cold, appears to be over pressurising. Where is the water pump & thermostat situated? Pulling my hair out.

I have had my thermostat, fan clutch and water pump changed and I'm still having this problem. After driving and the system has reached normal temperature the heat will creep up to about 3/4 of the way up the thermometer. I usually turn on the heat to compensate for the increase in temperature. This will cool it back to normal temp. While I'm driving the temp will stay normal but if I traffic is "stop and go" it heats up. Once I park my truck and turn it off the coolant will start to boil over in about 30-45 seconds. The coolant backs up in the reservoir and acts like it has no where to go.

I have checked the radiator and the coolant has been flushed. I did this when I had all the other work done.

I have not done a head gasket check though. Would I need to take this into a shop? What all does this involve?