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P0442

Ford Maverick Hub All Ford P0442Low Severity

P0442 on Ford Maverick: Fix & DLC Location

Factory diagnostic troubleshooting wire for fault code P0442 (EVAP System Small Leak Detected - Diagnosis & Repair Guide) specifically on the Ford Maverick (2022–2026, 2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP)).

2022–2026

MaverickTruck

Sensor Voltage Ref

0.1V – 5.0V Ref

Maverick SAE Mode $01

ECU Network Bus

500 kbps CAN-FD

ISO 15765-4 Compliant

Drivability Status

Drivable (Short Trip)

Low urgency level

Est. DIY Time

45 – 90 Min

Basic hand tools

Check P0442 On Another Ford Model:

Ford F-150 Ford F-250 Super Duty Ford Explorer Ford Mustang Ford Bronco Ford Ranger Ford Maverick

1. Symptoms of P0442 on Ford Maverick

When the Engine Control Module (ECM/PCM) on your Ford Maverick (2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP)) logs fault code P0442, drivers commonly observe:

Check Engine Light on on Ford Maverick (2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP))

Intermittent faint fuel odor near rear wheel well on Ford Maverick (2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP))

Failed OBD-II smog check on Ford Maverick (2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP))

Ford Maverick OBD-II Port Location

The 16-pin diagnostic connector is located Under driver side steering column. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Ford Maverick

Historical warranty claims and technical repair bulletins for Ford Maverick point to the following failure distribution:

55%

Worn or cracked gas cap rubber seal (Ford OEM Part)

25%

Small split in charcoal canister vapor line (Ford OEM Part)

12%

Leaking EVAP vent valve solenoid (Ford OEM Part)

3. Step-by-Step DIY Repair Guide for Ford Maverick

Clean or Replace Gas Cap O-Ring

Inspect the gas cap gasket for micro-cracks or debris. Replace with OEM cap if hardened. on the Ford Maverick equipped with 2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP).

Perform EVAP Smoke Machine Test

Inject mineral oil smoke into the EVAP service port to visually pinpoint the pinhole leak. on the Ford Maverick equipped with 2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP).

Replace Vent Solenoid Valve

If smoke escapes from the canister vent, replace the stuck solenoid. on the Ford Maverick equipped with 2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP).

Other Common Fault Codes on Ford Maverick

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Ford Maverick:

P0300Automotive

P0300: Random or Multiple Cylinder Misfi...

View Maverick Fix

P0420Automotive

P0420: Catalyst System Efficiency Below ...

View Maverick Fix

P0171Automotive

P0171: System Too Lean (Bank 1)...

View Maverick Fix

P0128Automotive

P0128: Coolant Temperature Below Thermos...

View Maverick Fix

P0455Automotive

P0455: Evaporative Emission Control Syst...

View Maverick Fix

P0101Automotive

Mass Air Flow (MAF) Sensor Circuit Range...

View Maverick Fix

4. Ford Maverick P0442 FAQs

What causes code P0442 to trigger on a Ford Maverick?

On the Ford Maverick (2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP)), P0442 is most frequently caused by Worn or cracked gas cap rubber seal or Small split in charcoal canister vapor line.

Where is the OBD-II port located on my Ford Maverick?

On the Ford Maverick, the 16-pin DLC diagnostic connector is located Under driver side steering column. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Ford Maverick with code P0442?

Safe to drive. Will not damage engine internals. Given that P0442 carries a Low severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.