Keep fuel delivery accurate and the engine metering incoming air correctly with the Standard Ignition Mass Air Flow Sensor MAS0274. It drops in as a direct-fit replacement for the listed applications — the 2005-2008 Buick LaCrosse, 2004-2006 Buick Rendezvous, 2004-2007 Cadillac CTS, 2004-2006 Cadillac SRX, and 2005-2007 Cadillac STS.
A mass air flow sensor measures the mass of air entering the intake and sends that signal to the powertrain control module, which uses the reading to calculate how much fuel to deliver. An accurate MAF signal helps the engine hold the correct air-fuel ratio across idle, cruise, and acceleration.
- Measures intake airflow: reports the mass of incoming air to the PCM for fuel-delivery calculations.
- Direct-fit replacement: designed to install on the listed applications.
- Signs it may need replacing: rough idle, hesitation or surging, reduced fuel economy, hard starting, or an illuminated check engine light — have the cause diagnosed first, since these symptoms can have other sources.
If a faulty mass air flow sensor is the cause of these symptoms, MAS0274 installs as a new sensor that meters intake air accurately. Manufacturer part number MAS0274.
Frequently Asked Questions
What is the Standard Ignition MAS0274?
It is a mass air flow sensor that measures the mass of air entering the engine's intake and signals the PCM to calculate the correct fuel delivery.
Which vehicles does this MAF sensor fit?
It is a direct-fit replacement for the 2005-2008 Buick LaCrosse, 2004-2006 Buick Rendezvous, 2004-2007 Cadillac CTS, 2004-2006 Cadillac SRX, and 2005-2007 Cadillac STS.
What are signs of a failing mass air flow sensor?
Rough idle, hesitation or surging, reduced fuel economy, hard starting, or a check engine light can be signs. Diagnose the cause first, since these symptoms can have other sources.
Will replacing the MAF fix my rough idle?
If a faulty mass air flow sensor is the cause, replacing it with MAS0274 can resolve it. Confirm the diagnosis first, as a rough idle can stem from other issues.
What is the manufacturer part number?
The manufacturer part number is MAS0274.
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