Santa Fe (CM - 2007-12) :: Heater Won't Heat When Driving But Blow Hot When Car Is Idle
I have a 09 santa fe and it just started doing this. when we start it and let it warm up it will get the normal temp and will blow hot air but when we start to drive the thermostat goes back down to cold and it will blow cold air. I have had a problem similar to this before and taken it back to the dealership and they replace the same thing over and over. but this time its not fixing itself and it is staying like this. usually it will fix itself.
View 5 RepliesElantra XD (2001-06) :: No Heat Or AC At Idle
2004 Elantra - 65,000 miles: Heat and AC works fine when vehicle is moving. At idle or parked it just blows air.
View 2 RepliesPrius (2001-03) :: Red Triangle Comes On And ICE Drops Down To Idle While Driving
On my 2001 Prius, while driving down the road the red triangle comes on and the ICE drops down to idle and the car slows down to 29mph. If I floor the gas peddle the car may or may not pick up speed slowly but if I let off of the gas peddle the least little bit it will slow down to 29mph. If I stop and turn the car off and then back on the triangle is still there but the car runs fine. After turning the car on and off 2 or 3 times the triangle disappears.
View 2 RepliesFord - Escort :: 1999- Rough Idle Drop In RPM When Heat On
So I turn the heat on, and my engine feels like it's going to stall out, the RPM's drop by 200. What could this be?
View 5 RepliesFord 6.0L Power Stroke Diesel :: 2004 - Heat Up During Idle
I have a 2004 Excursion Limited with a 6.0 PSD. Recently I have noticed my temp, I have a Scan Gauge II, slowly climbing when I am idling. On the highway it runs anywhere from 175-205 depending on time of year and load I'm pulling. Lately I have noticed it starting to climb while sitting in a parking lot at idle after coming off a steady speed run. Temp goes from about 175 up to about 205 just at idle. It is a slow creep up not a dramatic change. I have checked my coolant levels and it is full. I have made sure the front of the radiator is clear.
View 8 RepliesElantra XD (2001-06) :: Temp Gauge Spikes At Long Idle In Hot Weather But Drops Quickly Upon Driving
My 2005 Hyundai Elantra GLS has had 0 problems. It has about 132K on it, but it's still awesome.
I was stuck in some nasty traffic the other day in 95 degree NC weather, and was idling for about 15 minutes with the AC on. Out of nowhere, it felt like my AC got warm and I saw my coolant temp gauge spike from just under midway to 3/4 of the way. Unsettling.
As soon as I got on the gas and drove for about 5-10 seconds, it dropped precipitously back to normal. I was able to recreate this behavior once I got home. Normal driving results in normal temperature. Both fans appear to running.
Ford Super Duty (1999-2016) :: 2006 F250 - No Heat At Idle
Having problems with no heat at idle or low heat in the cab. I just bought this truck a couple weeks ago and have a limited warranty on it. The truck makes no heat at idle. I start it and let it just run, engine temp gauge goes up to normal operating temp in 15 min or so, still nothing from the vents but cold air. If I drive it I get a "little" heat, at idle, cold air again. I believe the thermostat is working because like I said, engine temp stays right in the middle.
Brought it to local ford dealer, their diagnosis was heat core clogged and needed to be flushed, had that done. truck has been running 40 minutes in the driveway now, engine temps nice and warm, no heat. What could be the issue? I took a picture of what I believe are the lines running to the heater core, just barely warm to the touch, not hot by any means. It looks like there is a vacuum actuator on the line running in but there is no hose attached to it, what this it, should it have a line running to it?
Ford Super Duty (1999-2016) :: Smelling Coolant When Heat On And Driving About 40 - 50 MPH
I have a 06 f350 super duty and noticed that when I have the heat on and driving about 40-50 mph I get the smell of coolant inside the cab. My temp gauge stays right in the middle like normal. When I got home tonight I opened the hood and didn't see nothing major. I took a picture .....
View 8 RepliesFord Ranger / B-Series :: 2001 - Won't Heat Clicking Noise?
i have a 2001 ranger 4x4 the problem is sometimes it will switch into 4 wheel drive and sometimes it wont just hear clicking noise ,i'm preety sure it doenst have a vaccum.
View 14 RepliesFord - Explorer :: 2001 - No Heat - Heater Hoses Don't Feel Hot
I've checked just about everything, coolant level is good, engine gets hot, heater control valves moves, blend air door moves, the heater hoses don't feel as hot as I think they should, but the gauge reads in the middle, I burped it thoroughly and still no heat , blower works i actually can switch the blend air door manually, but no change! what am i missing? t-stat was changed too. 2001 sport trac....
View 2 RepliesFord Ranger / B-Series :: 2001 - A/C Compressor Coming On With Heat?
I have a 2001 Mazda B3000. The a/c compressor is coming on while I'm running my heat. The air coming out while the heat is on stays warm. However, when I was running the A/C during the summer the air would start blowing out warm after it had been on for a while. Several people told me it may have something to do with the blend door or blend door actuator but both appear to be working fine. What it could be?
View 1 RepliesPrius (Gen 2) :: 2007 - No Heat At Idle?
I have an 07 prius with 105k miles. It had no warning lights on and drives great with 1 exception. The heat gets cold at idle, it works great as soon as i drive or if the ICE starts to charge the battery. I believe the problem was the ICE not coming on to heat it back up, it would only come on if the battery drops not if the air temp drops.
Then my mechanic replaced the pump on the coolant heat storage tank and it made no difference so he put the old one back on. However since then the ICE will occasionally kick on for heat even if the battery is charged (like it should be) but not frequently enough and sometimes not at all.
Celica :: 1994 GT - No Heat At Idle
My son has a 1994 Celica GT with the 2.2 5S-FE engine. Recently told me his heat didn't work very well, he had mentioned it last year but due to extreme cold we've been having I decided I would look at it for him. So anyway, I started by pulling the thermostat thinking it was probably stuck open or possibly someone had removed it completely, well there was one in there and it was closed so I tested it in boiling water, worked fine, replaced it anyway.
So then I checked behind and under the dash, thinking maybe something was opening or closing completely, but they are connected and operating, when I move the controls inside I can hear the doors moving and closing and all the linkages under the dash are connected and operating. Still no heat, so I figured the heater core was clogged since the return hose didn't seem to be getting hot, or the heater control valve was bad, pulled the heater core hoses, checked the heater control valve, control valve worked fine and was not plugged. Flushed the heater core, nice clean antifreeze, I then checked it with air, manual said put 6 psi on the input and make sure it was coming out of the return, which it was.
Reconnected everything, bled the air, still nothing, took the hoses off and connected the return hose to the heater control valve, bypassing the heater core, both hoses got hot. Sure seemed like a clogged heater core, did the air test again with 2 psi, still made its way out the return side. Reconnected everything again, still same issue, return hose never got hot. So while it was running hot with thermostat open, I removed the return hose, nothing coming out of the core, then I revved the engine and it started coming out, reconnected it and ran car at 3000 RPM, finally a little heat out of the vent, about 115 degrees by thermometer placed in vent, as soon as I let it idle the temp fell back to 80 within a minute or so.
Now I figured the water pump impeller was worn/corroded or was slipping on the shaft, so I pulled the whole thing apart. ( I should mention that the entire cooling system is very clean I don't see any corrosion anywhere) Any of you that have done this knows what a pain in the butt the whole job is, anyway, when I got it apart I was surprised to see that the impeller looked like new and was definitely NOT slipping on the shaft... what the heck???
When I took the pump off the housing I noticed the housing had a lot of wear, it look as if the previous owner let the water pump fail to the point that the bearing wore enough that the impeller ground down the raised boss inside the housing, I though AH-HA, this has got to be the problem, water is not actually pumping/circulating inside the pump as efficiently as it should, hence the reason I only get coolant into the heater core at high RPM. So i replaced the housing, the water pump, and while I was in there I did all the oil seals, and the timing belt. Well I got it all back together, fired it up added coolant, let the engine come up to temp, bled air, still NO HEAT!
Caprice :: 1996 - Little Heat At Idle
I got a 96 caprice sedan...have very little heat at idle but pretty good as long as I am moving or above idle rpms..put in new stat....ran water through core...appears to have had new water pump recently...check heater box for blockage..its clear and all flaps are working as they should....I am at my wits end....
View 2 RepliesFord Super Duty (1999-2016) :: 2000 F350 - No Vacuum Signal To Heat Controls / Slight Miss At Idle
On a 2000 F-350 with 5.4 engine, where does the vacuum line enter the cab? I got a truck in with no vacuum signal to the heat controls, and it has a slight miss at idle. Both of these are signs of a vacuum leak, but i can not find the line going into the cab.
View 5 RepliesFord - Taurus :: 2001 - Automatic Temperature Control Unit / No Heat
The car is a Taurus Wagon. It does not put out any heat. It is a flapper door issue. I tried changing the blend door actuator as the old one did not move when the temperature was changed from cold to hot. Unfortunately the NEW one doesn't either, nor does it move when left hanging, not in the dash. It is an automatic temperature control unit. When I had the actuator out from under the dash, I could move the blend doors easily with the little lever, and get excellent heat, so I know it's not a heater core issue.
Everything on the dash unit, which includes the stereo/radio controls and buttons to shift the air from floor to defrost seems to work fine. It shows the desired temp, but won't go to it. I have checked two fuses that are supposed to feed the HVAC system. I have even installed a different dash unit from another Taurus to see if it made any difference. That included a second temperature sensor, the "Y" shaped thing near where the white hose connects to the back side of dash unit.
I admit, I'm lost. I don't have a good wiring diagram, and don't know if I could read it well enough if I did.
Is there a relay or something in the system between the controller and the actuator that I don't know about?
Which wire or wires in the multi-pin connector that plugs into the blend door actuator are supposed to be hot at what point?
Ford F-150 - 1997-2003 :: 2001 - AC Was Cold But No Blower / Intermittent Heat
I found no heat last week in my 01 F150. The AC was cold but no blower. The heat was there but no blower. I replaced the blower motor resistor. Result: i believe a FEW of the speeds worked when turning the fan speed switch...but was intermittent. It would blow L, M, H, then nothing. I jiggled the know on the dash mounted switch and heard it on/off, on/off the motor as I jiggled. I DID notice that when I disco'd the connector off the resistor the HIGH speed worked. Is the switch on the dash perhaps crusty ? Or should I be looknig at the motor itself.
View 4 RepliesFord F-150 - 1997-2003 :: 2001 - Heat Only Works On Lower Settings
My 2001 f150 super crew, the heat only works on speeds 1-3. All 4 speeds blow air fine, I'm talking about the temperature. not the blower. Could it be the heat resistor?
View 4 Replies5 Series :: 1997 - No Heat From Vents At Idle
I've got a 1997 528i with 285,000 KMS...the radiator, water pump and thermostat have all been replaced (within the last 2 years). The temperature outside has dipped to -15 C and I am now experiencing a problem with the inside cabin vents not blowing hot air through the vents. The car warms ups and the temp needle pins to 12 o`clock without any problems.
The vents blow cold air at idle (with temp needle at 12 o`clock) and them warm air when driving the vehicle. I have checked coolant level-it`s o.k, the fan speed setting ( hi and low) work fine, and the wheel located at the middle of the dash vents can be adjusted fine ( red and blue)...I have tried turning off and on the unit, adjusted temp setting up and down and tried to turn the wheel slowly (blue to red) but still not giving off heat as it should.