P0067 moderate

Air Assisted Injector Control Circuit High

The P0067 code means the vehicle's onboard diagnostic system has detected: Air Assisted Injector Control Circuit High. This is a moderate severity code.

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Keep driving?: Short distances only
DIY difficulty: hard
Estimated cost: $200 - $500 (parts and labor)

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Common Symptoms

Check Engine Light on
Rough or unstable idle
Cold-start drivability issues
Elevated exhaust emissions

Probable Causes (Ranked by Likelihood)

Short circuit in air-assisted injector control wiring Very High
Internally shorted control valve High
Water intrusion at control valve connector Moderate
ECM malfunction Low

Step-by-Step Diagnostic Procedure

Confirm P0067 with scan tool
Inspect control valve wiring for short circuits to power
Measure control valve resistance
Check connector for moisture or corrosion

Frequently Asked Questions

What does P0067 mean?

P0067 indicates a high voltage condition in the air-assisted injector control circuit, usually caused by a short circuit in the wiring or a failed control valve.

Can I drive with P0067?

You can drive short distances, but the vehicle may have poor cold-start performance and increased emissions. Have it diagnosed promptly.

How is P0067 different from P0066?

P0066 indicates low voltage (open circuit) while P0067 indicates high voltage (short circuit). Both affect the same air-assisted injector control system.