- ACDelco OES emission parts, fuel injectors and control modules earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditions
- Measure amount of air entering the engine to determine the most efficient air/fuel mixture for achieving clean burns
- ACDelco offers a 12-month/12,000-mile limited warranty* on most fuel injection, emission and control module parts
* Whichever comes first. To the original retail purchaser. Parts only; installation not included. See your local retailer or independent service center that offers ACDelco Parts for details.
Find out more about ACDelco OES Mass Air Flow (MAF) Sensors
and how they fit into the Exhaust and Emissions System with the product
facts below.
FUNCTION:
Measures the amount of air entering the engine to determine the most efficient air/fuel mixture for achieving clean burns
SIGNS OF WEAR:
Engine hesitation, stalling, decline in engine performance, "Service Engine Soon" light illuminates
WHAT IT DOES:
The Fuel and Engine Management System supplies the proper mixture of air and gasoline to the engine while reducing harmful fuel vapors and exhaust pollutants.
SERVICE AND MAINTENANCE:
Make a service appointment if your vehicle shows any of the following symptoms:
Illumination of the "Service Engine Soon" light
Improper engine idling, hesitation or stalling Excessive exhaust smoke
Abnormal engine noises Noticeable fuel odors The fuel filter should
be replaced according to the maintenance schedule shown in your
Owner's Manual.
Also, have your engine tuned up regularly. A plugged/restricted fuel injector (if equipped) can reduce fuel efficiency.
FUNCTION:
Measures the amount of air entering the engine to determine the most efficient air/fuel mixture for achieving clean burns
SIGNS OF WEAR:
Engine hesitation, stalling, decline in engine performance, "Service Engine Soon" light illuminates
WHAT IT DOES:
The Fuel and Engine Management System supplies the proper mixture of air and gasoline to the engine while reducing harmful fuel vapors and exhaust pollutants.
SERVICE AND MAINTENANCE:
Make a service appointment if your vehicle shows any of the following symptoms:
Also, have your engine tuned up regularly. A plugged/restricted fuel injector (if equipped) can reduce fuel efficiency.
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