I am getting very little heat in the car

  • 1994 LEXUS LS 400
  • 180,000 MILES

I am getting very little heat in the car. I't will blow out luke warm. Also when on defrost very lttle air comes out of the defrost vents.
my second problem is. I am getting a code 13 I was told I need a new ECU/ECM. Can you tell me where it's located so I can get a used one. And replace it.
I have dune the timing belt and I installed a new water pump and new thermostat at that time. The problem exsisted before the timing belt change.
I have checked the heater contol valve and it is working properly.
I also checked the heater hoses to make sure that both hoses were getting hot to make sure there was no blockage in the heater core.
I cant afford to take it and get it fixed.
my chemothearpy treatments are taking everything from me.
So any help would be apreciated.
Hopefully down the road things will be better. And I can come back to this site and make a donation.
Thank You for Your Time and Help.

Friday, December 14th, 2012 AT 2:26 AM

1 Reply

  • 41,947 POSTS

Refer to diagram for Code 13. I don't see it being an ECM problem. Was any testings done?

For the heater system, have you tried checking for trouble codes?

Was this
Friday, December 14th, 2012 AT 12:52 PM

Please login or register to post a reply.

Related Heater No Heat Questions