Fuel System
- Inspect for incorrect fuel pressure. See FUEL SYSTEM DIAGNOSIS in BASIC DIAGNOSTIC PROCEDURES - 5.7L CORVETTE article.
- Inspect for a restricted fuel filter. See FUEL SYSTEM DIAGNOSIS in BASIC DIAGNOSTIC PROCEDURES - 5.7L CORVETTE article.
- Inspect for contaminated fuel condition. See ALCOHOL/CONTAMINANTS-IN-FUEL DIAGNOSIS (WITH SPECIAL TOOL) or ALCOHOL/CONTAMINANTS-IN-FUEL DIAGNOSIS WITHOUT SPECIAL TOOL in SYSTEM & COMPONENT TESTING - 5.7L CORVETTE article.
- Inspect the fuel injectors. See FUEL INJECTOR COIL TEST in SYSTEM & COMPONENT TESTING - 5.7L CORVETTE article.
- Verify that each injector harness is connected to the correct injector or cylinder. Relocate injector harnesses as necessary.