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P0300FordFord Maverick HubAll Ford P0300Critical Severity

P0300 on Ford Maverick: Fix & DLC Location

Factory diagnostic troubleshooting wire for fault code P0300 (P0300: Random or Multiple Cylinder Misfire Detected) 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
Not Recommended
Critical urgency level
Est. DIY Time
45 – 90 Min
Basic hand tools
Check P0300 On Another Ford Model:

1. Symptoms of P0300 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 P0300, drivers commonly observe:

Flashing Check Engine Light (CEL) on Ford Maverick (2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP))
Engine shaking, vibrating, or jerking at idle on Ford Maverick (2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP))
Noticeable loss of engine power when accelerating on Ford Maverick (2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP))
Strong gasoline smell from exhaust or poor fuel economy on Ford Maverick (2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP))
Stumbling or stalling at stoplights 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 fouled spark plugs and damaged spark plug wires (Ford OEM Part)
25%
Failing ignition coils or coil packs (Ford OEM Part)
12%
Clogged fuel injectors or low fuel rail pressure (Ford OEM Part)
8%
Intake manifold vacuum leak (Ford OEM Part)
8%
Low engine compression or faulty Camshaft/Crankshaft sensor (Ford OEM Part)

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

01
Scan with OBD-II Scanner for Accompanying Codes

Plug a handheld OBD-II scanner into the 16-pin port under the dashboard. Check if specific cylinder codes like P0301 (Cylinder 1) or P0304 (Cylinder 4) accompany P0300. on the Ford Maverick equipped with 2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP).

Required Tool: OBD-II Code Reader / Scanner
02
Inspect and Replace Spark Plugs

Remove the ignition coils, use a spark plug socket with ratchet to unthread spark plugs. Inspect electrode tips for carbon buildup, oil fouling, or burnt gaps. Replace with OEM iridium plugs gapped to spec. on the Ford Maverick equipped with 2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP).

Required Tool: 5/8 Spark Plug Socket, Ratchet Extension, Gap Gauge
03
Test Ignition Coils

Perform an ignition swap test: Swap coil from a suspected misfiring cylinder to an adjacent cylinder. Clear codes and re-scan. If the misfire moves, replace the faulty coil. on the Ford Maverick equipped with 2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP).

Required Tool: 10mm Socket, Multimeter
04
Check for Vacuum Leaks

Inspect PCV hoses, intake boot, and vacuum lines for cracking or hissing sounds while engine idles. Smoke test the intake if necessary. on the Ford Maverick equipped with 2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP).

Required Tool: Carb cleaner spray or Smoke machine
05
Verify Fuel Delivery and Clear DTC Codes

Add a bottle of premium fuel injector cleaner (e.g. Chevron Techron). Clear the OBD-II codes with your scanner and take the car on a 15-minute drive cycle to confirm readiness monitors reset. on the Ford Maverick equipped with 2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP).

Required Tool: OBD-II Scanner

Other Common Fault Codes on Ford Maverick

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

4. Ford Maverick P0300 FAQs

What causes code P0300 to trigger on a Ford Maverick?

On the Ford Maverick (2.5L Hybrid FWD/AWD (191HP) / 2.0L EcoBoost Turbo AWD (250HP)), P0300 is most frequently caused by Worn or fouled spark plugs and damaged spark plug wires or Failing ignition coils or coil packs.

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 P0300?

No. Driving with a flashing check engine light causes irreversible catalytic converter damage. Given that P0300 carries a Critical severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.