Diagnostic Aids

Fuel spray may be present at injector, but may not be enough to start engine. If both fuel injector and related circuits are okay, check for a partially blocked injector nozzle.

Fig 1: Chart A-5 Schematic, No-Start Condition - Injector Ckt. Check

Courtesy of GENERAL MOTORS CORP.

Fig 2: Chart A-5 Flow Chart, No-Start Condition - Injector Ckt. Check

Courtesy of GENERAL MOTORS CORP.