ClassicOldsmobile.com - View Single Post - A/C Code 66 (low freon) at speed, but not at idle.

lsrx101 · 06-07-2007, 12:05 AM

This is an issue on GM cars with EATC that are retrofitted to R-134a. You will have to add a resistor across one of the system switches, I don't recall the details, but if you post the question on http://www.autoacforum.com/ , they are quite familiar with this concern.

06-07-2007, 12:05 AM	#2 (permalink)
lsrx101 Junior Member Join Date: Jun 2007 Posts: 3	This is an issue on GM cars with EATC that are retrofitted to R-134a. You will have to add a resistor across one of the system switches, I don't recall the details, but if you post the question on http://www.autoacforum.com/ , they are quite familiar with this concern.