Top 10 check-engine-light car repairs
No. 6 car repair: Malfunctioning mass air flow sensor
Average repair cost: $410.17
Not replacing the mass air flow sensor, or MAF, can result in decreases in gas mileage, ranging from 10 percent to 25 percent, since the MAF measures the air coming into the engine and calculates how much fuel to inject. Repair costs are up 3.3 percent from the prior year.