2003 Chevrolet Avalanche, No Run Condition

This 2003 Chevrolet Avalanche with a 5.3 liter VIN “T” engine was towed in with the complaint that the engine would not run. I went to check codes and data and found that communication to the PCM was down. I checked all of the fusees under the hood and in the interior fuse box. No … Continue reading “2003 Chevrolet Avalanche, No Run Condition”

2004 Chevrolet Tahoe Multiple Problems, No Communication

This 2004 Chevrolet Tahoe came in with a multitude of complaints. Some of the complaints were that it might not start, the power windows would stop working, the door locks would cycle, the radio would stop working, the instrument cluster gauges would stop working and  multiple warning lights would come on. From a technical perspective … Continue reading “2004 Chevrolet Tahoe Multiple Problems, No Communication”

1999 Chevrolet Tahoe, ECM 1 Fuse Blows

This 1999 Chevrolet Tahoe came in with a complaint that the ECM 1 fuse in the under hood fuse box would blow, which of course causes a no run condition. Usually five to ten minutes after a cold start. That in itself is enough of a clue to me to start looking around the exhaust … Continue reading “1999 Chevrolet Tahoe, ECM 1 Fuse Blows”

1996 Chevrolet 1500 Truck Ignition Switch

1996 Chevrolet 1500 Truck came in with an intermittent no run condition. When the no run condition would occur the dash warning lights would not come on either. After cycling the ignition switch several times the lights would come on and then the engine would crank and start. I checked basic battery and cables for … Continue reading “1996 Chevrolet 1500 Truck Ignition Switch”