Download 2002 Chevrolet Silverado 1500 4.8L, GAS, Vin V, Eng Cfg V8, USA/Canada 2003 Chevrolet Tahoe 4.8L, GAS, Vin V 2003 Chevrolet Silverado 1500 4.8L, GAS, Vin V, Eng Cfg V8 2003 Chevrolet Tahoe 5.3L, FLEX, Vin Z Customer Concern: The engine runs, but lacks power when driving. Has codes P0101 and P0300. Scanner shows misfires all on the same side of the engine. Tests/Procedures: 1. Check the catalytic converter, on the “suspect” bank of the engine, for a restricted (plugged) exhaust system to that side of the engine. 2. Disconnect both front O2 sensors, re-set the fuel trims and see if the problem goes away. 3. If gone with the O2 sensors disconnected, then swap the sensors side to side and see if the problem follows the O2 sensor. Potential Causes: Plugged Exhaust System Oxygen Sensor Diagnostic Codes: P0101, P0300 Author: Christopher Pittman Average Reported Mileage: 92479 Confirmed Fix Summary Confirmed Fix 9 – Catalytic Converter 1 – Exhaust System 1 – Intake Manifold Gasket(s) 1 – Right Catalytic Converter Confirmed Fix Details Tech Reported Fix Details Confirmed Fix Phil Zeuner March 04, 2009 2003 Chevrolet Tahoe, 5.3L, FLEX, Vin Z Replaced Catalytic Converter – Replaced cat. Catalytic Converter SmithNielsen3 October 24, 2008 2003 Chevrolet Suburban 1500, 5.3L, FLEX, Vin Z * Catalytic Converter – Misfires all on one bank, popping in intake. Plugged converter right side. Replaced header pipe with converters, now runs GREAT! Catalytic Converter Vinney Curran December 12, 2008 2002 Chevrolet Suburban 1500, 5.3L, FLEX, Vin Z * Replaced Catalytic Converter – cly.# 1,3,5,7, all misfiring on scanner left side cat no good remove o2 & misfires all gone replace cat, converter Catalytic Converter
The post 2003 Chevrolet Tahoe Test Details appeared first on ToManual.com.
