Severity: Fix within days. Drive with caution and watch for new symptoms.
The air-flow sensor is working, but the amount of air it reports does not match what the engine computer expects for the current speed and load.
Clean the MAF sensor first, inspect intake hoses and the air filter, then test or replace the sensor if the reading stays off.
Expect rough idle, hesitation, and worse fuel economy. Drivable with care.
You can drive short distances carefully; watch for worsening symptoms. Expect rough idle, hesitation, and worse fuel economy. Drivable with care.
The most common causes are: Dirty mass air flow sensor; Vacuum leak letting in unmetered air; Clogged or restricted air filter; Failing MAF sensor. A scan tool and a visual check of the parts above is where a technician starts.
Clean the MAF sensor first, inspect intake hoses and the air filter, then test or replace the sensor if the reading stays off.
