Reduced Power Displayed 2003 Chevrolet Tahoe

This 2003 Chevrolet Tahoe with a 5.3 liter engine came in with the customer complaint of the reduced power display was on and the vehicle could not be driven more than about 30 mph. Checking codes found a code p1516 stored for Predicted VS. Actual Throttle Position Correlation Error. That is fancy computer talk for … Continue reading “Reduced Power Displayed 2003 Chevrolet Tahoe”

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”

2004 Chevrolet Silverado 2500HD , 6.0 Vin U Misfire

Vehicle came in the shop, with the SES light on and an obvious misfire. Previous shops had replaced plugs and wires, removed cats, replaced both bank 2 oxygen sensors, the ECM and had swapped positions of coils and injectors for cylinder #6. I scanned vehicle and found a misfire present on #6 cylinder on a … Continue reading “2004 Chevrolet Silverado 2500HD , 6.0 Vin U Misfire”