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Code p0101 regulating - 2006 Hummer H3

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What are the probable causes of DTC P0172?


If the PCM detects an excessively rich condition, DTC P0172 or P0175 sets.
Possible cause's , leaking fuel injectors , leaking fuel pressure regulator .
Possi GM CPI Leak Part 1 bleed down testing P0172 code

May 02, 2016 | 2001 GMC Safari

2 Answers

How to work on code p0101


Definition of Diagnostic Trouble Code P0101 Category: Powertrain Definition: Mass or Volume Air Flow "A" Circuit Range/PerformanceNote: This definition of P0101 is applied to all manufacturers

Jul 05, 2015 | Cars & Trucks

1 Answer

2005 KIA Rio belts have been making noise. Now check engine light is on and I get codes p0101, p0101 pending, and p0170 pending?


Basically the P0101 diagnostic trouble code (DTC) means that there is a problem with the Mass Air Flow (MAF) sensor or circuit.

P0170 means there is a malfunction in the computer's control of the air:fuel ratio.

Mar 01, 2015 | Kia Cars & Trucks

1 Answer

What is code p0101/p0300/p0171


code p0101 refers to MAF sensor and VAF sensor--range /performance problems===causes --intake leakage/blockage ---MAF/VAF sensor failure.

code p0300 refers to random misfires multiple cylinders ---causes --spark plugs /HT leads --injector /s-- ignition coil/ s--low compression ---wiring

check fuel pressure in manifold and HT leads

code p0171 refers to system too lean bank 1 ===causes --intake /exhaust air leak---AIR system---MAF/VAF sensors ---fuel pressure /pump---injectors ---HO2S sensor

Basically there are two codes referring to the MAF/VAF sensors so check them out and two codes referring to fuel pressure and pump so have a pressure test done on the fuel manifold to determine if pump or pressure regulator.

Aug 24, 2014 | Cars & Trucks

2 Answers

What are codes p0101 & p1153


  • P0101 - Mass Air Flow (MAF) Sensor Performance
  • P1153 - Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 2 Sensor 1
  • Mar 20, 2011 | 2003 Chevrolet S-10

    3 Answers

    Engine code P0101 engine runs rough and smells rich


    code P0101 it means that MAF meter is out of range .no reprogramming the ECM is not gone fix youre problem, the car may have a vacuum leak check the vacuum hoses check you're EGR valve it may be stuck open with carbon also check fuel pressure regulator for fuel leak out of vacuum hose,and if everything is OK change MAF sensor .before that check MAF connector to make sure is not loose or open

    Jul 15, 2010 | 2001 Cadillac DeVille

    1 Answer

    Failed emissions test for codes P0101 and P0128


    P0101 code is the Mass Air Flow (MAF) sensor error . The book that I have does not show P0128 code, sorry i couldn't help further....

    Mar 23, 2010 | 2001 Oldsmobile Alero

    1 Answer

    Service engine light on 2001 blazer


    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

    Jul 13, 2009 | 2000 Chevrolet Blazer

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