Intermittent Problem Diagnosis

Intermittent fault testing requires duplicating circuit or component failure to identify the problem. These procedures may lead to the PCM setting a fault code, which may help in diagnosis. If fault code is not present, check for intermittents. See CIRCUIT TEST Z in appropriate article:

• For 2.5L vehicles, see TESTS W/CODES - 2.5L .
• For 3.0L vehicles, see TESTS W/CODES - 3.0L .
• For 4.0L vehicles, see TESTS W/CODES - 4.0L .