I have a 1991 Buick Century with a 3.3L six with 160K that runs very rough and stalls repeatedly. Fuel pressure is per spec and I'm getting spark. It seems to be running very rich when it stalls. I get a number 34 trouble code (mass air flow sensor - low airflow indicated). When I take the MAF sensor out and clean it, the engine will run normally for 4 or 5 minutes before stalling again. I understand there is a "burn off relay" associated eith the MAF circuit. Could this be the problem, and if so, where is it located? Any other ideas?
May 30, 2007 at 10:02 AM