Falcon (EA-AU)

1988-2002 / Sedan / Estate / Australia

All Falcon (EA-AU) problems All workshop issues

Critical Electrical

Diagnostic Code Reading

Symptoms

The check engine light illuminates, but you need to read the fault codes.

Cause

Various sensor and system faults trigger stored codes.

Fix

EA-EL: You can read fault codes with a DIY test light.

Short the far-left top and bottom pins on the diagnostic plug and count the flashes on the check engine light.

AU: Requires an OBD-II scan tool or a Forscan Lite app on Android.

Common codes: 636 (transmission oil temp), 634 (gear selector sensor), 786 (various sensor faults), P0748 (AU limp mode).

Document all codes before clearing them.

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Other known issues

Critical Electrical

Smartlock Immobiliser (EF onwards)

Engine cranks but won't start. An exclamation mark appears below the handbrake warning light on the dash. The fuel pump may prime (whine for 2 seconds) but the injectors won't fire.

Common Electrical

Alternator Output Issues

Battery light on dash, dim lights, accessories misbehaving, battery going flat overnight.

Critical Engine

TFI Module Failure (EA-ED)

The engine cuts out while driving and won't restart. After cooling for 30-60 minutes, it may restart and run normally for a while before dying again. Sometimes fails permanently.

Common Engine

Hydraulic Lifter Tick (AU especially, all models)

A ticking or tapping noise from the top of the engine, often worst on cold start. May persist for minutes or be constant. The noise comes from the rocker cover area.

Common Engine

Coil Pack Failure (EF-EL)

Misfiring on specific cylinders, rough idle, loss of power. May be intermittent initially, then become constant.

Critical Engine

Crank Angle Sensor Failure (EA-ED)

Engine cranks but won't start, or starts and dies. No spark at all cylinders.

View all 21 Falcon (EA-AU) problems