Beck/Arnley 158-1542 mass air flow sensor for the 2007-2013 Mazda 3 4-cylinder 2.3L and other vehicles measures the air entering the engine. The engine computer uses that reading to help meter fuel.
- Measures the mass of air flowing into the engine
- Application-specific design for the engine it is listed for
- Built to Beck/Arnley requirements and specifications
Quick facts
- Part: Beck/Arnley 158-1542 mass air flow sensor
- Fits: 2007-2013 Mazda 3 4-cylinder 2.3L and other vehicles
- Condition: New
A failing sensor can show up as a rough idle, hesitation or a check engine light. Before you replace it, rule out vacuum leaks, a dirty air filter and damaged wires or connectors in the intake system, since problems there can look like a bad sensor. This listing is one sensor, and each engine takes a single one.
Fits
This is the MAF sensor for the 2007-2013 Mazda 3 4-cylinder 2.3L. It also fits the 2007-2012 Mazda CX-7 4-cylinder 2.3L and the 2006 Mazda 6 4-cylinder 2.3L, and it is built to match OE form, fit and function on these vehicles.
Specifications
- Quantity per vehicle: 1
- Sold as: one sensor
- Condition: New
Installation notes
- A relearn or reset procedure may apply after installation; the service manual has the steps.
- Professional diagnostics are recommended for a successful repair.
Interchange: 221145 · 7450040 · AF10136 · L3K913215 · L3K9132159U · 840951 · MF21145 · W01331853194 · SU6401
This part cross-references / interchanges with the following part numbers:
221145, 7450040, AF10136, L3K913215, L3K9132159U, 840951, MF21145, W01331853194, SU6401
Frequently Asked Questions
Is this a Mazda 3 mass air flow sensor for 2007-2013 cars with the 4-cylinder 2.3L?
Yes. Beck/Arnley 158-1542 fits the 2007-2013 Mazda 3 4-cylinder 2.3L, and each of those cars takes one sensor.
Is this a Mazda CX-7 mass air flow sensor for the 2007-2012 4-cylinder 2.3L?
Yes. This sensor fits the 2007-2012 Mazda CX-7 4-cylinder 2.3L, and the 2006 Mazda 6 4-cylinder 2.3L takes it too.
Does the Beck/Arnley 158-1542 need a relearn or reset after installation?
It may. A relearn or reset procedure can apply after installation, and a shop can handle that along with diagnosis if you prefer.
Does Beck/Arnley 158-1542 replace AF10136?
Yes. AF10136 is one of the numbers that interchange with Beck/Arnley 158-1542, along with 221145 and 840951.
What can a failing mass air flow sensor feel like when driving?
Drivers can notice a rough idle, hesitation or a check engine light. Since other faults can cause these too, a shop can test the sensor to confirm.
