Mass Air Flow Sensor Replaced But Check Engine Light Still On

Cleaned the maf sensor and unhooked battery to reset the computer, check engine light came back on after a short drive. Check engine light after new maf sensor.

A Faulty Oxygen Sensor Could Be Responsible For An Illuminated Check Engine Light If This Faulty Sensor Is Not Replaced It Could L Auto Repair Car Fix Repair

This goes for all maf cars.

Mass air flow sensor replaced but check engine light still on. Replaced mass air flow sensor and the check engine light is still on. But the idle is still rough. Check engine light indicated mass air flow sensor.

This problem may or may not be caused by the mass airflow sensor. Check engine light code p0101 is set when the measurement of air entering the engine by the mass air flow sensor is outside of the manufacturer’s specified range. Had a service engine light come on back in november.

Check if the engine light is still on after the mass air flow sensor was replaced. The first thing you must do is find out the exact fault code number so we can look up the correct description. What to do after replacing mass airflow sensor.

I went and replaced the sensor and then cleared the code. Put the key fob in the ignition. However check engine light came back.

And recovered a lot of power. If it is the maf, and cleaning it was unsatisfactory, it will be need to be replaced. Next, plug the sensor in, start the truck and the voltage on pin #4, this is the signal wire for the mass air flow sensor.

I took it to advanced auto for a ecu read and it said that the maf sensor was bad. Said they occasionally go bad, but not unheard of. I could not believe how much torque i got by replacing this sensor.

As soon we got the. The entire system can be reset by unhooking the battery and leaving it unhooked for 10 minutes. If you disconnect the mass airflow sensor, then the car should keep running and still be able to start normally.

Check engine light still was on. Hello, i have 2002 s500. Replaced the mass air flow sensor and air filter on my 2000 986 boxster s.

Your mechanic may also artificially. Well, the answer to that is no. Air filter, spark plugs, oil filter are all new.

The symptoms of a bad mass air flow sensor include low engine power, poor fuel economy, an engine that won’t start, a check engine light on the dash and a gas smell from the exhaust fumes. Connect consult and select data monitor mode. You should have 12 volts at this pin.

I checked for leaks using propane. Once you replace your mass airflow sensor, you will have to disconnect your car battery for some minutes (i recommend 10 to 15). I replaced the mass air flow sensor.

After changing the mass air flow sensor 2 times i finally got a nissan mass air flow sensor since the nissan dealership told me it had to be the original sensor not aftermarket. Once the code description is known, it may be necessary to watch the sensor's readings on a scanner to see why that code is being set. So when you replace a component and it working properly the computer is still adapted out of limits cuasing the check engine light to come back on.

Hold down the brake and press the power button one time to turn the car on. Do oxy sensors last that long? A couple weeks later, ses light comes on again.

Start engine and warm it up to normal operating temperature. However, the check engine light just came back on again and is. Then check pin #6, the black wire for continuity to ground.

Turns out it was a dirty throttle body. The check engine light came on a little bit ago and we got it tested and it was the mass air flow sensor, we recently about 2 weeks ago changed it but the engine light remains on and i know its supposed to take a minute to go out but its been longer now, also every time i get gas (it did this before i changed the maf as well and was a result of needing to change it) and i. When a monitoring comonent get replaced the whole system needs to be reset.

My 2008 chevy colorado started idling rough. The check engine light did go off. Reset code and drive vehicle.

Still got p0101 code, so i bought a new maf and put it on it last night and unhooked battery. Anyways, about 3 days later. I have a 2005 xc90 2.5 that started idling rough and obd gave me p0101 code.

I have a 2015 nissan sentra sr and a while back the check engine light came on and read code p0101 for mass air flow sensor. Unhooked battery terminal to see if computer/sensor would reset, so i could see if replacing the mass air flow sensor fixed the problem. Hi, been doing a bit of checking of testing of maf sensor, check voltages at connector, you shoukd have 12volts between teminal 2 and 3,and 5 volts between terminal 4 and 3 these can be tested with the plug to maf sensor disconnected.if you dont have the 12 volts it is probably a fuse, the 5 volt supply comes from the engine ecu.

I followed the steps below and the light is still on. Problems with vehicle turning off seemed to go away but now i have a rough idle. This is because the computer in the car if it does not receive a reading from the mass airflow sensor, will estimate and supply a number that it thinks it is supposed to have.

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. They replaced it, cost me a couple hundred bucks for parts and labor. Check engine light was out for two days.

Disconnect mass air flow sensor harness connector and reconnect it again. I disconnected the battery, still on. Still runs like a beast.

The mass air flow (maf) sensor measures the amount of air entering the engine. Replaced air filter and maf sensor. Maf replaced, but check engine light still on!

I also changed the connector for the mass air flow sensor. There are many possible causes for the check engine light to come on besides the mass airflow sensor, so have an expert read the codes and address the check engine light accordingly. Car will drop below 1000 rpms and then rev back up to over 1500 like it wants to shut off.

This is the light green wire. Took it to the dealer who diagnosed problems with the mass air flow sensor, said it went bad (forget the exact codes). There are about a dozen codes related to mass air flow sensors, and they mean very different things.

Keeping the battery unhooked for longer than 10 minutes won't hurt anything. The reason you need to do this is for the car computer to reset to its. Pic 14 without consult 1.

Check for air leaks on or around any intake pipework using a good spraying of carb cleaner, if the engine surges then that's the leak. A bad mass air flow sensor is often the likely culprit if. Idle problems seem to go away when maf sensor is disconnected.

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