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P0100

Mass Air Flow (MAF) Sensor Circuit Problem

Medium — fix within daysDrive with caution

Severity: Fix within days. Drive with caution and watch for new symptoms.

What P0100 means

The engine computer is getting no usable signal from the sensor that measures how much air is entering the engine, so it cannot calculate the right amount of fuel.

Common causes

How to fix it

Clean the MAF sensor with a dedicated MAF cleaner, check the intake hoses for cracks, and replace the sensor if cleaning does not restore a clean signal.

Can I drive with P0100?

The car may run rough, hesitate, or stall. Short careful trips are usually possible.

Related codes

Questions, answered

Is it safe to drive with code P0100?

You can drive short distances carefully; watch for worsening symptoms. The car may run rough, hesitate, or stall. Short careful trips are usually possible.

What causes code P0100?

The most common causes are: Dirty or failed mass air flow sensor; Damaged wiring or loose connector at the sensor; Air leak in the intake hose after the sensor; Clogged air filter. A scan tool and a visual check of the parts above is where a technician starts.

How do I fix code P0100?

Clean the MAF sensor with a dedicated MAF cleaner, check the intake hoses for cracks, and replace the sensor if cleaning does not restore a clean signal.

Not repair advice. This page gives general information about code P0100 only. Cars differ by make, model and year — confirm the fault with a scan tool and have the repair done by a qualified technician.

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