P0065 - Air Assisted Injector Control Range/Performance

The PCM detected a fault in the air-assisted injector control circuit or command response, which can affect fuel atomization and drivability.

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Code Overview

The PCM detected a fault in the air-assisted injector control circuit or command response, which can affect fuel atomization and drivability.

Common Causes

• Failed air-assist injector solenoid
• Blocked air passage
• Wiring or connector issue
• PCM control problem

Diagnostic Steps

1. Inspect the injector air-control wiring and connector
2. Check for clogged air passages or carbon buildup
3. Verify commanded operation with a scan tool if available
4. Confirm the fault is not caused by low supply voltage

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Next Steps

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