Question about 2003 Ford F250 Super Duty Crew Cab

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Ford 2003 f250

While idling it blows out cold air with the heat on going down the road its hot pulling up to a stop light or inthe motion of stopping it blows out strong but the more i let off the gas the cooler it gets & the gauge is middle way or a little better can you help 2003 ford f250

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  • Anonymous Jan 11, 2009

    same problem on my 04

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Check the water level when ours gets low thats what happens

Posted on Jan 17, 2009

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Try changing the thermostat

Posted on Jan 01, 2009

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My 2003 dodge 2500 has air condition issues.at idle it blows cold air as long as it sitting still.as soon as I start down the road and drive a few miles the air stops blowing cold.HELP


On a vehicle 11 years old, I would say
put gauges on it & then leak test it.
Most likely has a leak & is low on refrigerant
& when you move ,you put too many BTU's across
the evaporator from the cabin & it is not at 40 degress
to remove the heat

Aug 01, 2013 | 2007 Dodge Ram 2500 Mega Cab Laramie

1 Answer

Heater blowes hot when engian is revved up


The best and faster way to heat a car up is to drive. I know that it is a cold ride but that is the fastest way.----------------------------------------------------------------------------------
elm 327 bluetooth

Jan 07, 2013 | 2004 Ford F250

1 Answer

The heater blows hot air as long as the car is in motion when stopped or parked the heater only blows cold air


sounds like a circulation issue, can be one of three things, the heater core starting to plug, the thermostat hanging open, or the waterpump is getting weak. hope this helps

Dec 04, 2010 | 2003 Ford Windstar

3 Answers

2001 Dodge Caravan heater blows cold air when stopped


Have you checked the coolant level? What you describe is exactly what happens if the coolant level is low. When stopped at idle, hot coolant is not circulating through the heater core, so no heat. As the engine increases in rpm's when you pull away from the light, the water pump is spinning quicker, and some coolant is making it to the heater core. So check the level, and if it is low, keep an eye on it to see if it drops again. That of course indicates a leak somewhere. Get it fixed, as overheating the engine leads to costly repairs and worse case a new engine. Let me know how you make out with this.

Dec 05, 2009 | 2001 Dodge Grand Caravan

1 Answer

2003 Ford F250, the heater does not blow hot air


check the heater temp. control pot under the hood, inline on one of your heater hoses, it may be sticking causing hot water to only get to your heater core when the engine is at high r.p.m.s

Oct 31, 2009 | 2003 Ford F250 Super Duty Crew Cab

1 Answer

99 F250 diesel: A/C blows cold (fully


I think what happens is that you're burning out the compressor. If you got the windows down while you're blowing the a/c? it's working over time which is why they have two cycles. The image that displays the circle motion is meant for the windows to be up and the charge will last longer and with the windows down...click the one that shows outside air coming into the car. It might not be as cold as the other option but at least you'll have some cool air while you're at it.

Jun 08, 2009 | 1999 Ford F250 Regular Cab

1 Answer

2004 F250 A/C hot only when idling


check to see if coolant fans is working. they have run to cool down the 134 refrigerant in condenser.back down to liquid state .so it can run the cycle again.

Apr 23, 2009 | 2004 Ford F150

2 Answers

2006 chvy impala when idling dont blow hot air


1 Inspect Cooling System Mix Coolant level low or flow is restricted. grey_line.gif 2 Inspect Thermostat Thermostat stuck closed grey_line.gif 3 Inspect Heater Control Valve Leaking or defective heater control valve. here something to help u

Here to help Shaun

Nov 23, 2008 | 2000 Chevrolet Impala

3 Answers

2003 Mitsubishi Eclipse GS blows cold air in heat mode.


ok here we go and you aren't going to believe it...
I replaced the thermostat step one

I noticed that I had a small leak at the engine side of upper hose fixed that by taking it off and cleaning it and putting the hose back on Step two

then while refilling the reservoir with coolant i found that the hose that was supposed to be in the fluid was curled up on top and not sticking down in the fluid where it should be.
played with the hose until i got it to fall down in the reservoir where it should be Step 3

I started the car with the radiator cap off and let it run until it got to normal operating temp. and keep filling the radiator with fluid until the level stayed constant. Then put the cap back on and test drove. Everything worked fine haven't had that much heat in awhile and it kept blowing hot even when i stopped and let it idle for ten min.during test drive. Checked reservoir when I got home and had to add a small amount of coolant but not much.

I really think that the hose in the reservoir not being in the right place and pulling air into the system instead of coolant is the real culprit of this drama, but i replaced the thermostat to be safe.

Nov 16, 2008 | 2003 Mitsubishi Eclipse Coupe

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