ESC Performance Check
For testing of ESC system, see appropriate General Motors component CHART C-5 in the appropriate TESTS W/CODES article in the ENGINE PERFORMANCE section. See following list. Perform this test for complaints of poor performance/fuel economy or detonation (knock). Perform checks only after checking ignition timing, MAP and EGR operation or if engine overheats. Also, perform appropriate DIAGNOSTIC CIRCUIT CHECK in the appropriate TESTS W/CODES article in the ENGINE PERFORMANCE section. See the following list. If Code 43 is present, proceed to appropriate chart for that code prior to performing the CHART C-5 checks.
- For 2.0L VIN [K], see: 2.0L(K)/2.5L TESTS W/CODES
- For 2.0L VIN [1], see: 2.0L VIN [1] TESTS W/CODES
- For 2.0L Turbo, see: 2.0L TURBO TESTS W/CODES
- For 2.5L, see: 2.0L(K)/2.5L TESTS W/CODES
- For Camaro & Firebird 2.8L: 2.8L VIN [S] PFI TESTS W/CODES
- For 3.1L, see: 3.1L VIN [T] PFI TESTS W/CODES
- For 3.3L, see: 3.3L/3.8L PFI TESTS W/CODES
- For 3.8L, see: 3.3L/3.8L PFI TESTS W/CODES
- For 4.3L, see: 4.3L TBI TESTS W/CODES
- For 5.0L PFI, see: 5.0L/5.7L PFI TESTS W/CODES
- For 5.7L PFI, see: 5.0L/5.7L PFI TESTS W/CODES
- For Cadillac Brougham, see: CCC V8 CARBURETOR TESTS W/CODES
- For All other Cadillac with DFI, see: DFI TESTS W/CODES