Category: Stalls

2008 GMC Yukon, Reduced Power Mode, Code P0641 00 Stored

This 2008 GMC Yukon came in with the complaint of reduced power and the vehicle could not be driven over about 35 mph. There were a lot of codes stored but the only one of real relevance was Code P0641 Symptom 00, 5 volt reference circuit 1.  I looked at data under the TAC section … Continue reading “2008 GMC Yukon, Reduced Power Mode, Code P0641 00 Stored”

P0335, 2001 Chevrolet Silverado 2500HD

A 2001 Chevrolet 2500HD with a 8.1 liter engine came in with the complaint that the engine would stall. Sometimes it would restart right away and sometimes it would not. I checked codes and found a code P0335 stored for a crank sensor fault. I did a basic inspection for anything obvious and found nothing … Continue reading “P0335, 2001 Chevrolet Silverado 2500HD”