Question about 2001 Buick Regal

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I am trying to find the mass air flow sensor on my 2001 Buick Regal i thought i found it but seeing it online i don't think i did where is it and how do i get to it??? i am trying to save money and purchasing a new one!!!

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Start from the air filter ... follow the duct work toward the motor.... look for a wiring harness/connector that attaches to it... that should be it.

Robert

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Posted on Jan 26, 2009

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Where are the O2 sensors? I found one directly behing the spark plugs on the back.


The O2 sensor (2 on V engines) are in the exhaust system pipes before the catalytic converter, the next sensor is the efficiency monitor for the catalytic converter system it looks like a O2 sensor but performs a much different function as far as testing goes. The codes you have follow.

P0420 - Catalyst System Efficiency Below Threshold Bank 1
What does this mean? In most cases it means the catalytic converter is worn out and that is sensed by the catalyst monitor I spoke of earlier.

P0102 - Mass or Volume Air Flow Circuit Low Input
Faulty mass air flow sensor
- Dirty mass air flow sensor (located in the air intake hose to the engine from the air cleaner)
- Dirty air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
- Intake air leaks

Nov 02, 2012 | 2003 Buick LeSabre

2 Answers

Buick regal 2002 gs...when i stop at a light the engine just quits.I put it in neutral and it will start right up again....This happens about 4/5 times a week. i .replace the crank sensor. but .check...


P0100 - Mass Air Flow (MAF) Circuit Malfunction

Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. Other MAF sensor circuit DTC trouble codes are P0101, P0102, P0103, and P0104.

Symptoms:
You will likely not notice any serious drivability problems, although there may be symptoms such as a general decrease in power or sluggishness.

Causes: A code P0100 may mean that one or more of the following has happened:
* The MAF may be disconnected, or a wiring connection may be bad
* The MAF sensor may be faulty

Possible Solutions: The simplest thing to do is to reset the code and see if it comes back. Then start with the cheapest, easiest repair procedures:
* Verify that the Mass Air Flow Sensor wiring is connected properly and that there are no broken / frayed wires.
* Unplug and reconnect the MAF wiring harness
* Check the voltage of the MAF sensor (refer to a repair manual for vehicle specific information)
* Replace the MAF sensor

Then, like a reference guide check this TSB DTC P0102 MAF and this article about Mass Air Flow sensor, what does it do and how it does it.
Test, check it and keep us updated.

May 27, 2011 | 2002 Buick Regal

1 Answer

While driving i pressthe gas and the car sounds as if it about to die but after a while it stops what could be the problem


More and Likely your throttle position sensor is bad, or your Mass Air Flow sensor is on its way out.... use brake parts cleaner and spray your Mass Air Flow sensor off, reconnect after it dries, and see if the helps, if not, then go for your TPS next and replace it.... Check for any Trouble Codes (CEL-Check Engine Light)

Mar 24, 2010 | 1988 Buick Regal

1 Answer

Where is mass air flow senser on a 1989 buick regal


Hi

Thanks for using FixYa. The BUICK Regal Mass Air Flow sensor is usually installed in the intake air duct between the air filter and the throttle body mounted on the intake manifold. Also check the throttle body for mass air flow sensors location.
On mass air flow sensors with a sense wire, this wire can become contaminated with dust particles. These particles can be removed with automotive solvents that are safe for the use on mass air flow sensors. Before replacing the mass air flow sensor check for air leaks in the connecting air ducts and intake manifold. These leaks can cause similar symptoms as a malfunctioning mass air flow sensor.

Bad or contaminated BUICK Regal Mass Air Flow sensor can possibly cause a wide range of various vehicle drivability problems such as stalling, especially when the engine is cold, misfiring, poor acceleration, etc. In addition, a problem with the Mass Air Flow sensor often causes the "check engine" or "service engine soon" light in the vehicle instrument panel to illuminate.

Please do accept the solution if the issue is resolved or else revert for further assistance.

Thanks
Rylee

Nov 09, 2009 | 1989 Buick Regal

1 Answer

99 buick regal 3.8 starts for 3 seconds and shuts down,


Had the same problem drove me nuts until I tried disconnecting Mass Air Flow Sensor, the car should drive normally but with a "Service Engine Soon Light" on. Mass air flow can run from $140 up, picked one up at recycler for $40.

Worth a try.

Mar 01, 2009 | 1999 Buick Regal

1 Answer

Try to find a mass air flow meter for a trans am 02


I think what you might mean is....a MAF or a MAP...Mass air flow sensor, and a Manifold absolute pressure sensor. MAFM may refer to a Mass air flow meter....PHB

Dec 20, 2008 | 1992 Buick Park Avenue

1 Answer

1991 buick regal , 3.8lt,


1991 3.8 liter engines used a Mass Air Flow sensor in the intake tract (measures incoming air) instead of a MAP sensor. The MAF sensor is located on the engine just behind where intake hose is attached.

Jul 04, 2008 | 1991 Buick Regal

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