What does the p0102 diagnostic trouble code mean?

This P0102 diagnostic trouble code (DTC) means that there is a low condition detected in the Mass Air Flow (MAF sensor or circuit. The PCM detects that the actual MAF sensor frequency signal is not performing within the normal expected range of the calculated MAF value.

What causes a Chevy Silverado to get p0102?

Here are the most common causes of P0102 in the Chevy Silverado. They are presented loosely in order from most to least likely: MAF Sensor Dirty – Over the course of its life, the MAF sensor will often get so covered in grime that it’ll no longer get an accurate reading.

How much does it cost to repair a p0102 Chevy?

The cost to diagnose the P0102 CHEVROLET code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour. How much do you know about cars? When is the code detected?

How to test the GM MAF sensor ( p0100 )?

P0101: Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem. P0102: Mass Air Flow (MAF) Sensor Circuit Low Input. P0103: Mass Air Flow (MAF) Sensor Circuit High Input. Lean and/or Rich Diagnostic Trouble code (s).

How does the PCM work with a MAF sensor?

The PCM detects that the actual MAF sensor frequency signal is not performing within the normal expected range of the calculated MAF value. Note: Some MAF sensors also incorporate an air temperature sensor, which is another value used by the PCM for optimal engine operation.

What are the possible causes of a p0101 Chevrolet?

P0101 CHEVROLET Possible Causes 1 Faulty mass air flow sensor 2 Intake air leaks 3 Dirty mass air flow sensor 4 Dirty mass air filter 5 Mass air flow sensor harness is open or shorted 6 Mass air flow sensor circuit poor electrical connection

When to set the p0101 mass air flow code?

The P0101 code is set when the Powertrain Control Module (PCM) detects that the Mass Air Flow (MAF) sensor frequency is below a predetermined value. The Mass Air Flow (MAF) sensor measures the amount of air ingested by the engine.

What is mass airflow sensor on Chevy Silverado?

Since P0102 has to do with the Mass Airflow Sensor, which is a huge part of the Silverado’s engine combustion process metering, it is going to cause noticeable symptoms. Usually, one or more of these symptoms will occur, but it’s not uncommon to have no symptoms other than the check engine light.

What are the possible causes of a p0102 Chevy?

P0102 CHEVROLET Possible Causes. Faulty mass air flow sensor. Intake air leaks. Dirty mass air flow sensor. Dirty mass air filter. Mass air flow sensor harness is open or shorted.

What does code p0102 mean on the ECM?

Mass or Circuit Airflow (MAF) Circuit Low Voltage Input What Does P0102 Mean? The Mass Airflow (MAF) sensor measures the amount of air entering the engine. When code P0102 is set, there is a low voltage output to the ECM, PCM, or ECU depending on your car type (check your owner’s manual for your specific car).

What does DTC DTC p0101 stand for?

DTC P0101 will set if the actual MAF sensor signal is not within a predetermined range of the calculated MAF value. Broken wires at the sensor connector. Tug on each to see if it stretches or breaks

What to do if your Chevy has a p0102 code?

Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor. The cost to diagnose the P0102 CHEVROLET code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.

What does p0102 mean on the MAF sensor?

The Mass Airflow (MAF) sensor measures the amount of air entering the engine. When code P0102 is set, there is a low voltage output to the ECM, PCM, or ECU depending on your car type (check your owner’s manual for your specific car). P0102 Symptoms

When to use DTC p0101 or p0102?

The PCM compares the actual MAF sensor signal to the predicted MAF value in order to determine if the signal is stuck based on a lack of variation, or is too low or too high for a given operating condition. DTC P0101 will set if the actual MAF sensor signal is not within a predetermined range of the calculated MAF value.

What causes a low OBD code on a MAF sensor?

What are some potential causes? Potential causes for this trouble code may include: MAF sensor electrical harness or wiring problem (open, shorted, frayed, poor connection, etc.) Note that other codes may be present if you have a P0102.

What are the OBD codes for a 2003 Mustang?

Hi to all, Yesterday I scanned my wife’s 2003 Mustang and go 4 codes: P0102, P0113, P0303 and P0316. Where to start?

Why does my MAF sensor have a code of p0102?

Potential causes for this trouble code may include: Dirty or contaminated mass air flow sensor MAF sensor electrical harness or wiring problem (open, shorted, frayed, poor connection, etc.) Note that other codes may be present if you have a P0102.

What does the p0103 diagnostic trouble code mean?

This P0103 diagnostic trouble code (DTC) means that there is a high condition detected in the Mass Air Flow (MAF) sensor or circuit.

Hi to all, Yesterday I scanned my wife’s 2003 Mustang and go 4 codes: P0102, P0113, P0303 and P0316. Where to start?

What does the code p0101 on the MAF sensor mean?

If the signal from the MAF sensor is lower or higher than expected, the ECM detects a fault and stores the code P0101 in its memory. In many cars the MAF signal is used to determine the shift pattern of the automatic transmission. Often, if there is a problem with the MAF sensor, the automatic transmission may shift differently.

What does DTC stand for in OBD code?

This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles that have a mass airflow sensor. Brands include but are not limited to Toyota, Infiniti, Nissan, Jaguar, Audi, Mercedes, Dodge, Hyundai, Chevy, Ford, etc.

What is the P0 code for an Alfa Romeo?

0 Standard Code. Refer to generic P0 code list. B2465 Aux Heater Start Counter Overrun/System Locked (same as below ?) B2492 Already Programmed (Test Mode DTC Only !!!) Click to expand… Smaky, Thanks for taking the time to assemble all that info & for sharing it with us. Respect! Can also be found at the following links…

What does p0101 diagnostic trouble code ( DTC ) mean?

Basically this P0101 diagnostic trouble code (DTC) means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. The PCM detects that the actual MAF sensor frequency signal is not within a predetermined expected range of the calculated MAF value. Note: Some MAF sensors also incorporate an air temperature sensor,…

What causes the p0404 OBD-II trouble code?

All our repairs are backed by our 12-month / 12,000-mile warranty. P0404 is an OBD-II generic code that the engine control module (ECM) detected the engine exhaust gas recirculation (EGR) valve or sensor is out of specification range or its performance has gone out of specification parameters. What causes the P0404 code?

What does the p0101 code on the MAF sensor mean?

The P0101 code is set when the Powertrain Control Module (PCM) detects that the Mass Air Flow (MAF) sensor frequency is below a predetermined value. P0101 GMC Possible Symptoms. P0101 GMC Meaning. The Mass Air Flow (MAF) sensor measures the amount of air ingested by the engine.

What does the p0380 glow plug code mean?

A typical diesel engine glow plug: Basically, the P0380 code means that the PCM has detected a fault in the glow plug/heater circuit “A”. Note: This DTC is very similar to P0382 which that code refers to circuit “B”. If you have multiple DTC codes, fix them in the order they appear.

What does the p0103 mass air flow code mean?

P0103 Mass Air Flow High Frequency. Lean and/or Rich code (s). Fuel Trim code (s). A tremendous lack of power upon acceleration. Black smoke coming from the tail-pipe. Vehicle may idle rough and stall.

What are the misfire codes on a 2005 Lincoln Town Car?

2005 Lincoln Town Car 4.6L engine having Coil On Plug (COP) ignition I’m getting misfire codes on the entire right (passenger) bank. The entire list of codes minus pending duplicates): —— PO102 problem with the Mass Air Flow (MAF) sensor or circuit.

What causes a p0108 code on a scan tool?

Potential causes of a P0108 code: A good way to diagnose if the MAP sensor is to blame would be to compare the KOEO (key on engine off) MAP sensor reading on a scan tool with the Barometric pressure reading. They should be the same because they both measure atmospheric pressure.

What causes low vacuum in a p0108 manifold?

Potential causes of a P0108 code: Bad MAP sensor. Leak in vacuum supply line to MAP sensor. Engine vacuum leak. Short on signal wire to PCM. Short on reference voltage wire from PCM. Open in ground circuit to MAP. Worn engine causing low vacuum.

Can a bad MAF sensor cause a p0102 error?

Code P0102 isn’t always caused by a bad MAF sensor. There are other factors that may come into play with this specific error code. But don’t be alarmed—there are a lot of resources out there that can help you diagnose and manage this error code. Here are some videos that will help you understand and properly perform a diagnosis:

What is the code for mass airflow sensor?

P0102 is the general code for a problem with the Mass Airflow (MAF) Sensor having a low voltage output to the Engine Control Unit (ECU).

Is there a one size fits all fix for p0102?

There is no one-size-fits-all answer to a P0102 code, or any other codes, for that matter—but once you’ve properly diagnosed the issue, you should be able to find the right fix with the help of reputable online automotive guides.

What does p0135, p0141, and p0161 mean?

Won’t pass state mandated emission testing. As mentioned at the beginning of the article, P0135, P0141, P0155, and P0161 DTCs share one specific and common thread: a Heater Circuit Malfunction. What does this mean? Before I jump into an explanation of what the codes mean I’ll share with you some basic working theory of how the O2 sensor works.

What does the DTC p0135 mean on an oxygen sensor?

Each one of these diagnostic trouble codes (DTCs) ( P0135, P0141, P0155, P0161) indicate a problem with the oxygen sensor’s internal heater element and from personal experience I can tell you that diagnosing them is not hard. Let’s get started.

Why is my Check Engine light on code p0135?

Code P0135 occurs when the powertrain control module tests the upstream heated oxygen sensor’s heater circuit on Bank 1 and detects a short in the circuit or excessive resistance in the heater circuit. What Are The Symptoms Of Code P0135? Check Engine Light is on

What to do if your Mercedes has a code of p0100?

Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle.

What does p0020 trouble code bank 2 mean?

Basically the check engine light and associated P0020 trouble code means that the voltage in the circuit has fallen below a set limit for a specific amount of time (varies by make/model/engine). Bank 2 is the side of the engine that doesn’t contain cylinder #1.

What does the O2 sensor code p0155 mean?

This code refers to the front oxygen sensor on Bank 2. The heated circuit in the oxygen sensor decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor responds by switching according to oxygen content of the exhaust surrounding it.

How to troubleshoot p0135, p0141, and p0161 DTCs?

Troubleshooting DTCs P0135, P0141, P0155, P0161 is not hard and in this tutorial, we’ll look at some of the basics you need to know and what tests you need (to solve the oxygen sensor problem these diagnostic trouble codes indicate).

What’s the difference between p0135 and p0141?

I looked up each code and the P0141, 155, and 161 start with saying check for possible related causes to P0135. See picture 1. Now interestingly, if you look at pic 2, it shows the possible causes of a P0135. Note the one I highlighted. This is where I think you need to start. I feel water is causing a short and setting all of the codes you have.

What causes the DTC p0102 MAF sensor to not work?

Depending on year, make, and model, DTC P0102 may have a number of causes. Here are some of the most common. Toyota / Lexus – The hot-wire MAF sensor is notoriously susceptible to oil contamination and aftermarket air filter contamination.

What causes a mass air flow sensor to malfunction?

Potential causes for this trouble code may include: Dirty or contaminated mass air flow sensor Failed MAF sensor Intake air leaks MAF sensor electrical harness or wiring problem (open, shorted, frayed, poor connection, etc.)

Can a split intake tube set DTC p0102?

In the case of a MAF sensor, contamination can just as easily set DTC P0102 as can a split intake tube. Usually, best practice dictates starting with the simplest and least expensive repair first. If an alcohol bath and a new air filter solves your MAF contamination problem, then you’ll save yourself a few hundred dollars.

What should I do if my Ford code comes back?

Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor. What does this mean? The cost of diagnosing the P0102 FORD code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city.

How to know if your car has an OBD-2 fault?

P0102 is diagnosed with an OBD- II scan tool. A qualified technician should then reset the OBD- II fault codes and road test the vehicle to see if the code returns. He can observe this by watching it live on his scanner while driving.

What does the p0102 diagnostic trouble code mean?