If you take your car to a shop for diagnosis, most shops will start with an hour of “diag time” (the time spent in labor diagnosing your specific issue). It’s impossible to give an accurate estimate without properly diagnosing the issue first.

P0101 can be caused by anything from a dirty air filter to a clogged catalytic converter. > Find a RepairPal Certified Shop Near You How Much Does It Cost to Fix Code P0101? These shops can not only help you figure out what’s going wrong before you waste time and money on the wrong parts, but they also offer a minimum 12-month, 12,000-mile warranty and stand behind all their estimates with guaranteed fair pricing. If your vehicle has this fault and you’re not comfortable diagnosing this issue at home, we recommend finding a RepairPal certified shop nearby to pinpoint the problem and give an accurate estimate for repairs. With a mass air flow sensor fault, the first step is to get it diagnosed to figure out what is causing the problem. Clogged catalytic converter / restricted exhaust.Clogged or improperly installed air filter.

Damaged or disconnected air intake boot (snorkel).

Dirty, obstructed, or faulty mass air flow sensor.Other causes are more complicated, such as a vacuum leak or a clogged catalytic converter. Some are easy to check and correct yourself, such as a dirty air filter or mass air flow sensor. There are many potential causes of code P0101.

Infiniti mass air flow sensor problems