Guidelines

Can a MAF sensor be bypassed?

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Can a MAF sensor be bypassed?

“Can you bypass the mass airflow sensor?” Yes, you can run a car without its MAF sensor, but it’s not recommended, because the car will not run nearly as well and will get horrible fuel mileage.

Does MAF sensor position matter?

It can be located further down the intake, and may have one or more resonators before or after it to smooth out the air flow. If the air flow is not steady it can cause a measurement error. For this reason, the sensor should remain where the factory placed it.

Can a MAF sensor cause a misfire?

Even a dirty MAF sensor can cause a lean code and/or misfire to occur. The engine may be stalling because it isn’t getting enough throttle opening.

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Can a MAF be too close to the throttle body?

Registered. It helps the system to have some straight tube in front and after MAF and it is not too close to the TB. The engine takes air in “waves” resonance effect cause by the valve open and close. To have a correct reading at the whole rpm-band I would suggest a 4 inch straight after the MAF and before the TB.

Can a dirty MAF cause lean condition?

A faulty MAF sensor can cause your vehicle to run too rich or run too lean. You’ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires.

How do I reset my mass airflow?

  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF.
  3. Disconnect mass air flow sensor harness connector.
  4. Restart engine and let it idle for at least 5 seconds.
  5. Stop engine and reconnect mass air flow sensor harness connector.
  6. Make sure DTC P0102 is displayed.
  7. Erase the DTC memory. “
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How to reset MAF sensor?

Turn off the engine and let it cool down if you’ve been driving

  • Remove the connector with the harness of the sensor
  • Pull out the air flow sensor and clean it properly
  • If you need to replace it with a new one,install the new sensor instead of the old MAF sensor
  • Turn the engine on and leave it like that for 5-6 seconds

    • How to test a MAF sensor?

    Pop the hood open.

  • Unplug the MAF sensor electrical connector.
  • Set your DMM to 20 volts DC or autorange.
  • Connect your meter’s red lead to the B+terminal on the harness connector (the one leading to the computer).
  • Connect your meter’s black lead to the ground (-) pin on the sensor connector.

    • How do you delete mass air flow sensor?

    Loosen the hose clamps on the intake tube with a screwdriver and remove the air intake tube from the air box. Unplug the electrical plug running to the mass air flow sensor and remove the mass air flow sensor from the air tube assembly.

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