Ford OBD Trouble Code 42

Ford Problems For OBD Code 42

EST (Electronic spark timing) - circuit grounded/shorted

Auto shutdown relay circuit
Open or short in the ASD relay wiring or connectors.

1984 model injector circuit 1 open or shorted

Crank angle sensor circuit fault

Electronic spark timing (EST) circuit grounded

Check 42 OBD1 Code For All Ford Models

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