Lately, you’ve to be noticing the your auto stalls or operation rougher than before. You at some point decide to use an OBD-II scanner to help you recognize whether there’s an issue, and also it screens the trouble password P0102. 

What walk this mean and what deserve to you perform to fix it? Below, we’ve put together a guide to help you identify the symptom and feasible causes the this error code—along v tips for proper diagnosis and also repair. 

What walk the P0102 code Mean?

Diagnostic trouble password (DTC) P0102 stands for “Mass Air circulation (MAF) Circuit Low.” The code is set when the powertrain regulate module (PCM)—your car’s primary computer—perceives a trouble with the mass air flow (MAF) sensor’s performance. 

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A faulty MAF sensor can damages other components of your vehicle, such as the catalytic converter.

The MAF sensor is an installed inside the engine wait intake downstream of the wait filter. It is used to measure up the temperature and, therefore, the density and amount of air entering the engine.

The MAF generates a signal that the PCM provides as a primary input because that determining fuel control, and code P0102 is set when the PCM determines that this signal is listed below specification for a certain amount of time. 

Some car models are an ext prone to code P0102 보다 others. Have actually a technician check your vehicle instantly if you own a Chevrolet (especially Chevy Silverado), Ford, Nissan, Toyota, or BMW and also your diagnostics show P0102.

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What space the feasible Causes of the P0102 Code?

Listed below are few of the most common issues the can reason your vehicle’s PCM to save the password P0102:

Dirty or contaminated MAF sensorFaulty MAF sensorCircuit difficulties (e.g., damaged wiring and loose connections)PCM worries (rare)

What room the common Symptoms the the P0102 Code?

You may observe one or an ext of the following signs with engine code P0102: 

Check engine irradiate is rotate on or is blinkingRough running engine Hard startingStalling Low engine power
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How to deal with the P0102 Code

Since the password P0102 points to a difficulty with the MAF sensor, you might think the replacement would be the only answer—but that’s not always the case. 

There space a range of possible causes, as outlined above, which way there room different methods of repair. You’ll need to diagnose the password accurately to uncover out the basic cause prior to performing any type of necessary repairs. 

There is no one-size-fits-all answer come a P0102 code, or any kind of other codes, for that matter—but once you’ve effectively diagnosed the issue, friend should be able to find the right resolve with the help of dependable online automotive guides. Girlfriend can additionally obtain Haynes and also Chilton fix manuals, which would certainly be very helpful if she serious around automotive DIY.

Also, store in mind that all vehicles space different, so when troubleshooting and fixing diagnostic problem codes, make certain to consult the factory repair info for her application. 

Other Notes about P0102

Is it for sure to drive with a P0102 code? when you may technically still have the ability to drive when a P0102 code is set, you must not carry out so for long. An problem with the MAF sensor can reason your auto to stall or run poorly—and that have the right to be dangerous. 

What’s more, a faulty MAF sensor can damage other parts of your vehicle, such together the catalytic converter.

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