BUICK / CADILLAC / CHEVROLET / GMC - Air Flow Meter - 20787043/22895480

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OE :

20787043/22895480

CROSS REFERENCE NO ：

• HITACHI : MAF0120
  
• WALKER PRODUCTS : 2451315
  
• UNITED MOTOR PRODUCTS : MAF323 
  
• GM GENUINE : 23262343
  
• DELPHI : AF10682
  
• WVE : 5S13842
  
• BSE : 21396
  
• SPECTRA PREMIUM : MA389
  
• CARDONE : 7450092

Fit Vehicles :

BUICK ENCLAVE 2012-2023
BUICK ENVISION 2017-2020
BUICK LACROSSE 2012-2019
BUICK REGAL 2012-2017
CADILLAC ATS 2013-2019
CADILLAC CT6 2016-2020
CADILLAC CTS 2012-2019
CADILLAC ESCALADE 2015-2020
CADILLAC SRX 2012-2016
CADILLAC XT5 2017-2023
CADILLAC XT6 2020-2023
CADILLAC XTS 2013-2019
CHEVROLET BLAZER 2019-2023
CHEVROLET CAMARO 2012-2023
CHEVROLET CAPRICE 2012-2017
CHEVROLET CAPTIVA SPORT 2011-2015
CHEVROLET CHEYENNE 2014-2018
CHEVROLET COLORADO 2015-2022
CHEVROLET EQUINOX 2012-2019
CHEVROLET EXPRESS 2500 2013-2022
CHEVROLET EXPRESS 3500 2013-2022
CHEVROLET EXPRESS CARGO 2017
CHEVROLET EXPRESS PASAJEROS 2016-2019
CHEVROLET IMPALA 2012-2020
CHEVROLET IMPALA LIMITED 2014-2016
CHEVROLET MALIBU 2013-2015
CHEVROLET MALIBU LIMITED 2016
CHEVROLET S10 PICKUP 2016-2017
CHEVROLET SILVERADO 1500 2014-2019
CHEVROLET SILVERADO 2500 2013-2023
CHEVROLET SILVERADO 3500 2013-2023
CHEVROLET SUBURBAN 2015-2020
CHEVROLET SUBURBAN 3500 HD 2018-2019
CHEVROLET TAHOE 2015-2020
CHEVROLET TRAVERSE 2012-2023
CHEVROLET VOLT 2016-2019
GMC ACADIA 2012-2023
GMC ACADIA LIMITED 2017
GMC CANYON 2015-2022
GMC SAVANA 2500 2013-2022
GMC SAVANA 3500 2013-2022
GMC SIERRA 1500 2014-2018
GMC SIERRA 1500 LIMITED 2019
GMC SIERRA 2500 2013-2023
GMC SIERRA 3500 2013-2023
GMC TERRAIN 2012-2019
GMC YUKON 2015-2020
GMC YUKON XL 2015-2020

• Meets or exceeds OEM specifications
  
• Each item is 100% tested and balanced to ensure consistency and reliability
  
• Utilizes factory style mounts, connectors and fittings
  
• Guarantees the same performance and quality provided by the vehicle manufacturer
  
• OEM Quality Direct fit Application

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What Goes Wrong

Signs that something has gone wrong may include poor general performance, poor idle quality, lack of power, black smoke from the exhaust, poor fuel economy, DTC etc.

The major cause of Mass Air Flow Meter (MAF) premature failure is contamination of the hot wire/sensing element. Airborne contaminates passing across the hot wire or sensing element accumulate over time. This contamination may come thru the air filter while the engine is running, oil contamination from oil fumes remaining in the intake manifold or left over EGR residue. This contamination effects the MAF’s ability to accurately determine the air flow.

Later model MAF’s changed their design to reduce the effect of airborne contaminates. The amount of air flowing across the sensing element was reduced as well as design changes allowing the heavier contaminant particles to bypass the sensing element. Although this improved the contamination problem it did not eliminate it.

Note: The use of reusable oiled air filters that have been over-oiled can often be the cause contamination.

Diagnostics

MAF signals are best looked at with an appropriate Scan Tool or Oscilloscope at varying engine speeds and compared with a known good signal or manufacturer’s specifications. Diagnostic trouble codes will be set by a faulty or badly contaminated MAF. Typical DTC’s associated with MAF faults include but are not limited to,

P0068 – MAF Fault
P0100 – MAF Fault
P0101 – MAF Range/Performance
P0102 – MAF Voltage Low
P0103 – MAF Voltage High
P0104 – MAF Circuit Intermittent

It is important that a technician diagnosing a vehicle for a suspected MAF fault does not forget to check the simple things. Leaks in the air induction system or intake manifold can cause the MAF sensor to give false readings. Faulty wiring and electromagnetic interference from the ignition system can also effect the signal to the ECU. Output voltages and frequency specifications differ depending on application and the type of MAF used. Always refer to manufacturer specifications and procedures.

When you supply and fit products from VOLTSTEC you can expect a product designed and tested to the vehicle manufacturer’s specifications offering OE form fit and function.