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Test Description

NOTE: Test numbers refer to numbers on diagnostic chart.

Ensures no faults exist in injector control and ignition feed wiring.
Checks for open or grounded injector feed circuit.
Checks for grounded injector drive circuit.
Checks for an open injector drive circuit.

Fig 1: Code P1200 Schematic (3.8L) Injector Circuit Fault

G95B13848

Fig 2: Code P1200 Diagnostic Flow Chart (3.8L) Injector Circuit Fault

G95A13847