Question about 2000 Chevrolet Blazer

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Service engine light on 2001 blazer

Had svc engine light come on with code p0101, replaced mass air flow sensor, still coming up with code p0101 and p0463

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  • shirley_mccl Jul 16, 2009

    YES, DISREGARD, ALREADY HAVE IT FIXED

  • nathan May 11, 2010

    did you replace the mass air flow sensor?

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With the p0101 make sure you have a clean air filter. it can be bad spark plugs and or wires, or a leak in the air intake system

Posted on Mar 12, 2010

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1 Answer

Silverado mass air flow sensor


the map sensor could be the problem for code P0101
hope it helps

Mar 27, 2014 | 2004 Chevrolet Silverado 1500 Crew Cab

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P0101


Here is the definition of the code.

P0101 GMC Description The Mass Air Flow (MAF) sensor is placed in the stream of intake air. It measures the intake flow rate by measuring a part of the entire intake flow. It consists of a hot film that is supplied with electric current from the Engine Control Module (ECM).

The temperature of the hot film is controlled by the ECM acertain amount. The heat generated by the hot film is reduced as the intake air flows around it. The more air, the greater the heat loss. Therefore, the ECM must supply more electric current to maintain the temperature of the hot film as air flow increases. The ECM detects the air flow by means of this current change.
Faulty mass air flow sensor
- Intake air leaks
- Dirty mass air flow sensor
- Dirty air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
Read more: http://engine-codes.com/p0101_gmc.html#ixzz223ibNx6t

Read more: http://engine-codes.com/p0101_gmc.html#ixzz223i9HR3J

Jul 29, 2012 | 2002 GMC Safari

1 Answer

ISUZU TROOPER 3.2 V6 CODE P0101


P0101 ISUZU - Mass Air Flow Circuit Performancexicon.jpghttp://engine-codes.com/p0101_isuzu.htmlForum CodePossible causes- Dirty mass air flow sensor
- Dirty mass air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
- Intake air leaks
- Faulty mass air flow sensor
Tech notes 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. If the code comes back, it may be necessary to replaced the mass air flow sensor

Jul 04, 2012 | 2001 Isuzu Trooper

1 Answer

P0101


P0101: MAF or VAF A Circuit Range/Perf

- Dirty mass air flow sensor
- Dirty mass air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
- Intake air leaks
- Faulty mass air flow sensor

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. If the code comes back, it may be necessary to replaced the mass air flow sensor.

Feb 09, 2012 | 1999 Pontiac Grand Prix

1 Answer

Hi i have a fault code of p0101 on my isuzu trooper 2001 3.5


Mass air flow sensor error. Try spraying the sensor with mass air flow sensor cleaner(AND ONLY MAF CLEANER) and see if it clears up. if not you may be looking into a new mass air flow sensor. It should be located in the tube that goes to the air filter box.

Jun 28, 2011 | 2001 Isuzu Trooper

2 Answers

2002 chevy blazer 4.3l 4x4. Just changed out mass airflow sensor 2 weeks ago as the service engine soon light was coming on and had code p0101. Cleared code out, but i am still waiting for the evap sensor...


you can get faulty mass air flow meters.Make sure you perchaced the original from your dealers.There are a lote of copy types and they are not calabrated to your vehicle.Most copys are not calabrated.

Jul 24, 2009 | 2002 Chevrolet Blazer

2 Answers

Can you help me decode these code #'s?


Hello mark...according to the manual for Volkswagen Engine and Transmission Codes...

P0101 Mass or volume air flow circuit performance problem

P3131 Exhaust Gas Recirculation (EGR) System Control Limit Exceeded

Dirt and carbon build up will cause this in some cases. You might try removing and cleaning the MAF sensor with an electrical contact cleaner first. You will still need to clear the error codes with VAG-COM and see if they return.

Good luck...i hope this helps.

May 24, 2009 | 2001 Volkswagen Jetta TDI

2 Answers

Have two codes on 1999 chevy blazer


p0404 is egr flow range, remove and clean egr passage way, it maybe built up with carbon, p0101 remove and clean mass air flow sensor. you can buy the cleaner at any auto parts store. but be carefull of the inside of sensor, follow directions on can. this should help a lot!!

Feb 24, 2009 | 1999 Chevrolet Blazer

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