Most likely caused by a low coolant level, a failing thermostat, or a clogged heater core. When your car just idles there isn't enough coolant flow to heat the air, but when you push the gas the increased flow sends hot coolant to the heater core, and you feel the heat. Hope this helps.
2025-11-02 02:45:10
116
Deano :
Thermostat stuck or low fluid
2025-11-02 14:28:37
17
Bear Brown :
Thank you! Everyone
2025-11-03 02:47:03
1
King :
Clogged heater core, weak coolant pump or low coolant.
2025-11-03 11:52:47
0
chenchodot :
Isn’t Gabe a mechanic?
2025-11-02 02:55:20
1
maryalford573 :
Clogged Heater coil
2025-11-02 03:27:29
20
Earth girl 🌿 :
thermostat stuck open
2025-11-02 05:07:48
13
chris_krista_mcchristian :
low coolant or clogged heater core
2025-11-02 16:54:42
1
Snowjulez :
Water pump
2025-11-03 02:18:44
0
Joshua Liska :
check your coolant level also your water pump may be going bad
2025-11-03 00:42:57
0
zackbennett938 :
Either low coolant or partially clogged heater core
2025-11-02 04:05:01
16
T◇R$TEN :
I just had the same issue in my ranger. its a possible air pocket or it could be low coolant or some kindve small blockage somewhere. but im also not a mechanic. I pulled my rad cap off turned the vehicle on let it warm up and topped the rad off not the secondary overflow box. and it fixed the issue. also my top rad hose was suctioning shut before I did this.
2025-11-02 19:26:11
0
Dallas Parsons :
Vaccum line to the dampener door for fresh air intake to the cabin. This Vaccum line runs to the temperature control knob on the panel.
2025-11-02 16:38:32
0
plastic spork :
thermostat, and evaporator may be clogged. 👍
2025-11-02 14:45:25
1
Buddy Greeno :
thermostat sticking or low coolant
2025-11-02 10:58:53
23
Kirk Leadbetter :
Bear
2025-11-03 10:59:37
0
my_rocky :
Low coolant
2025-11-02 04:01:41
14
🇺🇸 Roman Lutgen 🇨🇦 :
Check the thermostat, and the blower motor
2025-11-02 23:25:21
2
David :
ain't got no gas in it 😁😜
2025-11-02 06:07:03
1
whynotchange4thebetter :
Thermostat
2025-11-03 09:30:38
1
Ryan Weaver :
Low coolant or thermostat
2025-11-02 02:35:09
26
toddchristopher99 :
check your coolant level
2025-11-03 03:33:32
0
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