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4
votes
6answers
41k views

Impala no heat at Idle

I have 2006 impala that randomly will blow cold air at idle. Sometimes if I stop at redlight the heater will blow cold air. If I get the engine above idle by reving the engine to about 1K rpm it ...
7
votes
3answers
40k views

Heater blows cold air at idle

I have 2006 VW beetle with the 2.5L engine. Once the engine has warmed to operating temperature, and I am driving it around, the heater works great. As soon as I stop at a red light, or am idling for ...
5
votes
2answers
317 views

Is it efficient to use the cabin heat in my car?

As much of the United States struggles through the end of the nasty cold spell, a thought came to mind: Is it generally energy efficient to run the heat in my car? Let me be a little more specific. I ...
2
votes
2answers
715 views

2004 x3 BMW heater blows cold air when stopped or idling

Heater only works when moving blows cold air when stopped or idling
1
vote
3answers
360 views

2001 Saab 9-5 turbo wagon - worth fixing?

I have an 01 Saab turbo wagon automatic with approximately 120,000 miles on it. Has some heater issues that make for a miserable ride in the winter. Needs the heatbox replaced according to a mechanic, ...