Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Pontiac >> 1995 >> Trans Sport 3.8 L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.1L >> Trouble Code Charts >> Code 42, Ignition Control >> Diagnostic Aids

Diagnostic Aids

The scan tester cannot help diagnose a Code 42 problem. See INTERMITTENTS in TESTS W/O CODES - GASOLINE article.

Fig 1: Code 42 Schematic (3.1L FWD Van) Ignition Control
G91G13603
Fig 2: Code 42 Flow Chart (3.1L FWD Van) Ignition Control
G95A27524
scientia non olet · About Mike's Workshop Manuals