HomeEmission Control > SensorsStandard Ignition MAS0394 Mass Air Flow Sensor
Part #: MAS0394

Standard Ignition MAS0394 Mass Air Flow Sensor

⚙️ 22 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Volvo, C70, S70, V70, and 850
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Overview of Standard Ignition Mass Air Flow Sensor MAS0394

The Standard Ignition MAS0394 Mass Air Flow Sensor is designed for precise air measurement in Volvo vehicles, including the 850, C70, S70, and V70 models. This sensor ensures accurate air intake readings to optimize engine performance and emissions control.

  • Bolt-on attachment method for secure installation
  • Female rectangular connector with one connection point
  • Durable plastic housing included for protection
  • Complete assembly with two bolt holes for mounting
  • Four male blade terminals for reliable electrical connection

Detailed Product Description

The MAS0394 Mass Air Flow Sensor by Standard Ignition is engineered to provide consistent and accurate airflow data to the engine control unit (ECU) in select Volvo models. Featuring a bolt-on attachment method, this sensor is easy to install and replace. The sensor includes a female rectangular connector with a single connection, ensuring compatibility with the vehicle’s wiring harness. Its plastic housing protects the internal components from environmental factors, while the two bolt holes allow for a secure fit. The sensor terminals are male blade type, with four terminals to maintain stable electrical contact and signal transmission.

Compatible Volvo Models and Applications

This mass air flow sensor is compatible with the following Volvo vehicles:

  • Volvo 850
  • Volvo C70
  • Volvo S70
  • Volvo V70

It is designed to support emission control systems by accurately measuring the volume and density of air entering the engine, which is critical for fuel injection and ignition timing.

Common Issues Addressed by MAS0394 Sensor

  • Erratic engine idling or stalling
  • Reduced fuel efficiency and increased emissions
  • Check engine light triggered by airflow sensor faults
  • Poor acceleration or hesitation during throttle response
  • Engine performance issues related to incorrect air-fuel mixture

Installation Notes and Tips

  • Ensure the vehicle is turned off and cooled before installation
  • Use the two bolt holes to securely mount the sensor in place
  • Connect the female rectangular connector firmly to avoid loose connections
  • Inspect wiring and terminals for corrosion or damage before installation
  • Verify proper sensor alignment to prevent airflow measurement errors

Quality Assurance and Warranty

Standard Ignition provides this MAS0394 Mass Air Flow Sensor as a complete assembly, manufactured to meet OEM specifications for fit, form, and function. The sensor undergoes rigorous quality control to ensure reliable performance in Volvo 850, C70, S70, and V70 models. Warranty coverage details should be confirmed with the distributor or installer.

BrandStandard Ignition
Part NumberMAS0394
Attachment MethodBolt On
Connector GenderFemale
Connector ShapeRectangular
Housing IncludedYes
MaterialPlastic
NotesComplete Assembly
Number of Bolt Holes2
Terminal GenderMale
Terminal TypeBlade

This part fits 22 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004VolvoC702.3LL5N/A
2004VolvoC702.4LL5N/A
2003VolvoC702.3LL5N/A
2003VolvoC702.4LL5N/A
2002VolvoC702.3LL5N/A
2002VolvoC702.4LL5N/A
2001VolvoC702.3LL5N/A
2001VolvoC702.4LL5N/A
2000VolvoC702.3LL5N/A
2000VolvoC702.4LL5N/A
2000VolvoS702.3LL5N/A
2000VolvoS702.4LL5N/A
2000VolvoV702.3LL5N/A
2000VolvoV702.4LL5N/A
1999VolvoC702.3LL5N/A
1998VolvoC702.3LL5N/A
1998VolvoS702.3LL5N/A
1998VolvoV702.3LL5N/A
1997Volvo8502.3LL5N/A
1996Volvo8502.3LL5N/A
1995Volvo8502.3LL5N/A
1994Volvo8502.3LL5N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

02802171071275749158-15491MF3622-14734221005M245-21245S292574-10044917-803AF10311DL-3043MA119MA1226V95-72-0031

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.